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NDQ_010655 | what organisms perform lactic acid fermentation under anaerobic conditions? | a. plants, b. animals, c. fungi, d. both (b) and (c) | d | Lesson: fermentation
Fermentation:
Sometimes cells need to obtain energy from sugar, but there is no oxygen present to complete cellular respiration. In this situation, cellular respiration can be anaerobic, occurring in the absence of oxygen. In this process, called fermentation, only the first step of respiration, g... |
NDQ_010656 | lactic acid fermentation is used to make which of the following products? | a. drinking alcohol, b. bread, c. yogurt, d. all of the above | c | Lesson: fermentation
Fermentation:
Sometimes cells need to obtain energy from sugar, but there is no oxygen present to complete cellular respiration. In this situation, cellular respiration can be anaerobic, occurring in the absence of oxygen. In this process, called fermentation, only the first step of respiration, g... |
NDQ_010657 | what process allows bread to rise? | a. aerobic respiration, b. lactic acid fermentation, c. alcoholic fermentation, d. photosynthesis | c | Lesson: fermentation
Fermentation:
Sometimes cells need to obtain energy from sugar, but there is no oxygen present to complete cellular respiration. In this situation, cellular respiration can be anaerobic, occurring in the absence of oxygen. In this process, called fermentation, only the first step of respiration, g... |
NDQ_010678 | whales are the biggest fish. | a. true, b. false | b | Lesson: fish
Characteristics of Fish:
What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But as we saw with the mudskipper, not all fish spend all their time in water. So how do scientists define fish? Some characteristi... |
NDQ_010679 | some fish can live on land for short periods. | a. true, b. false | a | Lesson: fish
Characteristics of Fish:
What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But as we saw with the mudskipper, not all fish spend all their time in water. So how do scientists define fish? Some characteristi... |
NDQ_010683 | ectothermy is a characteristic of fish? what is ectothermy? | a. being cold-blooded, b. not being able to raise body temperature without help, c. being dependent on the environment to maintain body temperature, d. all of the above | d | Lesson: fish
Characteristics of Fish:
What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But as we saw with the mudskipper, not all fish spend all their time in water. So how do scientists define fish? Some characteristi... |
NDQ_010684 | what is a unique characteristic of some cartilaginous fish? | a. they are not endothermic, b. they have very flexible pectoral fins, c. they reproduce asexually, d. all of the above | b | Lesson: fish
Characteristics of Fish:
What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But as we saw with the mudskipper, not all fish spend all their time in water. So how do scientists define fish? Some characteristi... |
NDQ_010685 | what is a unique characteristic of tuna and swordfish? | a. they are not covered with scales, b. they are able to raise their body temperature above that of the surrounding, c. they breathe using either gills or lungs, d. all of the above | b | Lesson: fish
Characteristics of Fish:
What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But as we saw with the mudskipper, not all fish spend all their time in water. So how do scientists define fish? Some characteristi... |
NDQ_010686 | what do the two biggest fish have in common? | a. both are fierce rulers of their habitat, b. both are filter feeders, c. both are ferocious carnivores, d. all of the above | b | Lesson: fish
Characteristics of Fish:
What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But as we saw with the mudskipper, not all fish spend all their time in water. So how do scientists define fish? Some characteristi... |
NDQ_010687 | what is significant about the smallest vertebrate? | a. it does not have a cranium, b. it is not a true fish, c. it does not use gills to breathe, d. it does not have fins | a | Lesson: fish
Characteristics of Fish:
What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But as we saw with the mudskipper, not all fish spend all their time in water. So how do scientists define fish? Some characteristi... |
NDQ_010688 | the flatworms are the first significant phylum with bilateral symmetry. | a. true, b. false | a | Lesson: flatworms
Flatworms:
The word "worm" is not very scientific. But it is a word that informally describes animals (usually invertebrates) that have long bodies with no arms or legs. (Snakes are vertebrates, so they are not usually described as worms.) Worms are the first significant group of animals with bilater... |
NDQ_010689 | most flatworms are parasites. | a. true, b. false | a | Lesson: flatworms
Flatworms:
The word "worm" is not very scientific. But it is a word that informally describes animals (usually invertebrates) that have long bodies with no arms or legs. (Snakes are vertebrates, so they are not usually described as worms.) Worms are the first significant group of animals with bilater... |
NDQ_010693 | how does respiration occur in flatworms? | a. respiration occurs by the movement of oxygen over the gills, b. respiration occurs by the diffusion of oxygen into the lungs, c. respiration occurs by the diffusion of oxygen into the worm body, d. all of the above methods are used by worms to respire | c | Lesson: flatworms
Flatworms:
The word "worm" is not very scientific. But it is a word that informally describes animals (usually invertebrates) that have long bodies with no arms or legs. (Snakes are vertebrates, so they are not usually described as worms.) Worms are the first significant group of animals with bilater... |
NDQ_010694 | what is cephalization? | a. cephalization is the development of a head region, b. cephalization refers to the flatworms head region, c. cephalization includes the two eye spots, d. cephalization is the development of the nerve net running the length of the flatworm body | a | Lesson: flatworms
Flatworms:
The word "worm" is not very scientific. But it is a word that informally describes animals (usually invertebrates) that have long bodies with no arms or legs. (Snakes are vertebrates, so they are not usually described as worms.) Worms are the first significant group of animals with bilater... |
NDQ_010695 | how are nutrients distributed throughout the flatworm? | a. nutrients are carried by the blood through the flatworm, b. nutrients are distributed by diffusion, c. nutrients are distributed by the digestive tract, d. nutrients are distributed by the gastrovascular cavity | d | Lesson: flatworms
Flatworms:
The word "worm" is not very scientific. But it is a word that informally describes animals (usually invertebrates) that have long bodies with no arms or legs. (Snakes are vertebrates, so they are not usually described as worms.) Worms are the first significant group of animals with bilater... |
NDQ_010696 | which best describes the flatworm digestive system? | a. flatworms have a complete digestive system, with two openings, a mouth and an anus, b. flatworms have an incomplete digestive system, with two openings, a mouth and an anus, c. flatworms have an incomplete digestive system, with just one opening, d. flatworms do not have a digestive system | c | Lesson: flatworms
Flatworms:
The word "worm" is not very scientific. But it is a word that informally describes animals (usually invertebrates) that have long bodies with no arms or legs. (Snakes are vertebrates, so they are not usually described as worms.) Worms are the first significant group of animals with bilater... |
NDQ_010697 | a body cavity usually refers to the space located between an animals outer covering and the outer lining of the gut cavity. coelomates have a complete body cavity where organs attach and develop. pseudocoelomates have a body cavity that loosely holds organs in place. acoelomates do not have a body cavity. what type of ... | a. coelomates, b. pseudocoelomates, c. acoelomates, d. none of the above | a | Lesson: flatworms
Flatworms:
The word "worm" is not very scientific. But it is a word that informally describes animals (usually invertebrates) that have long bodies with no arms or legs. (Snakes are vertebrates, so they are not usually described as worms.) Worms are the first significant group of animals with bilater... |
NDQ_010698 | there are more carbohydrates in a salad than in a steak. | a. true, b. false | a | Lesson: food and nutrients
Why We Need Food:
Did you ever hear the old saying, An apple a day keeps the doctor away? Do apples really prevent you from getting sick? Probably not, but eating apples and other fresh fruits can help keep you healthy. Do you eat your vegetables? Maybe you do, but you may have friends who w... |
NDQ_010699 | the four types of nutrients are carbohydrates, lipids, proteins and nucleic acids. | a. true, b. false | b | Lesson: food and nutrients
Why We Need Food:
Did you ever hear the old saying, An apple a day keeps the doctor away? Do apples really prevent you from getting sick? Probably not, but eating apples and other fresh fruits can help keep you healthy. Do you eat your vegetables? Maybe you do, but you may have friends who w... |
NDQ_010703 | what is the main source of energy for your body? | a. lipids, b. proteins, c. carbohydrates, d. nucleic acids | c | Lesson: food and nutrients
Why We Need Food:
Did you ever hear the old saying, An apple a day keeps the doctor away? Do apples really prevent you from getting sick? Probably not, but eating apples and other fresh fruits can help keep you healthy. Do you eat your vegetables? Maybe you do, but you may have friends who w... |
NDQ_010704 | which of the following are proteins built from amino acids? | a. enzymes, antibodies, and muscle fibers, b. dna and rna, c. glucose and starch, d. olive oil | a | Lesson: food and nutrients
Why We Need Food:
Did you ever hear the old saying, An apple a day keeps the doctor away? Do apples really prevent you from getting sick? Probably not, but eating apples and other fresh fruits can help keep you healthy. Do you eat your vegetables? Maybe you do, but you may have friends who w... |
NDQ_010705 | what type of food provides lipids? | a. pizza, b. broccoli, c. peanut oil, d. hot dog | c | Lesson: food and nutrients
Why We Need Food:
Did you ever hear the old saying, An apple a day keeps the doctor away? Do apples really prevent you from getting sick? Probably not, but eating apples and other fresh fruits can help keep you healthy. Do you eat your vegetables? Maybe you do, but you may have friends who w... |
NDQ_010706 | what process turns glucose into usable energy? | a. cellular respiration, b. photosynthesis, c. digestion, d. metabolism | a | Lesson: food and nutrients
Why We Need Food:
Did you ever hear the old saying, An apple a day keeps the doctor away? Do apples really prevent you from getting sick? Probably not, but eating apples and other fresh fruits can help keep you healthy. Do you eat your vegetables? Maybe you do, but you may have friends who w... |
NDQ_010707 | why does your body need food? | a. food provides building materials for your body, b. food contains substances that help control body processes, c. food gives your body energy, d. all of the above | d | Lesson: food and nutrients
Why We Need Food:
Did you ever hear the old saying, An apple a day keeps the doctor away? Do apples really prevent you from getting sick? Probably not, but eating apples and other fresh fruits can help keep you healthy. Do you eat your vegetables? Maybe you do, but you may have friends who w... |
NDQ_010718 | fossils are the preserved remains of animals, plants, and other organisms from the distant past. | a. true, b. false | a | Lesson: fossils
The Fossil Record:
Fossils are the preserved remains of animals, plants, and other organisms from the distant past. Examples of fossils include bones, teeth, and impressions. By studying fossils, evidence for evolution is revealed. Paleontologists are scientists who study fossils to learn about life in... |
NDQ_010719 | fossiltologists are scientists who study fossils to learn about life in the past. | a. true, b. false | b | Lesson: fossils
The Fossil Record:
Fossils are the preserved remains of animals, plants, and other organisms from the distant past. Examples of fossils include bones, teeth, and impressions. By studying fossils, evidence for evolution is revealed. Paleontologists are scientists who study fossils to learn about life in... |
NDQ_010723 | which best describes radiometric dating? | a. measures the accumulation of radiometric materials in a sample, b. measures the breakdown of radioactive materials in a sample, c. dates material by measuring radiometric samples, d. dates material by measuring the breakdown of radioactive samples | b | Lesson: fossils
The Fossil Record:
Fossils are the preserved remains of animals, plants, and other organisms from the distant past. Examples of fossils include bones, teeth, and impressions. By studying fossils, evidence for evolution is revealed. Paleontologists are scientists who study fossils to learn about life in... |
NDQ_010724 | which statement describes the order of materials in the fossil record? | a. newer layers form on top of the older layers, b. newer fossils form on top of the older fossils, c. older fossils form on top of the newer fossils, d. older layers form on top of the newer layers | b | Lesson: fossils
The Fossil Record:
Fossils are the preserved remains of animals, plants, and other organisms from the distant past. Examples of fossils include bones, teeth, and impressions. By studying fossils, evidence for evolution is revealed. Paleontologists are scientists who study fossils to learn about life in... |
NDQ_010725 | the oldest rocks on earth are | a. 1 billion years old, b. 5 billion years old, c. between 3 and 4 billion years old, d. between 4 and 5 billion years old | b | Lesson: fossils
The Fossil Record:
Fossils are the preserved remains of animals, plants, and other organisms from the distant past. Examples of fossils include bones, teeth, and impressions. By studying fossils, evidence for evolution is revealed. Paleontologists are scientists who study fossils to learn about life in... |
NDQ_010726 | the fossil record provides evidence for | a. when organisms lived on earth, b. how some species have gone extinct, c. how species evolved, d. all of the above | d | Lesson: fossils
The Fossil Record:
Fossils are the preserved remains of animals, plants, and other organisms from the distant past. Examples of fossils include bones, teeth, and impressions. By studying fossils, evidence for evolution is revealed. Paleontologists are scientists who study fossils to learn about life in... |
NDQ_010727 | the oldest fossils on earth are | a. 1 million years old, b. 1 billion years old, c. between 3 and 4 billion years old, d. between 4 and 5 billion years old | c | Lesson: fossils
The Fossil Record:
Fossils are the preserved remains of animals, plants, and other organisms from the distant past. Examples of fossils include bones, teeth, and impressions. By studying fossils, evidence for evolution is revealed. Paleontologists are scientists who study fossils to learn about life in... |
NDQ_010798 | a genetic disorder is due to a mutation in your dna. | a. true, b. false | a | Lesson: genetic disorders
Human Genetic Disorders:
Many genetic disorders are caused by mutations in one or a few genes. Others are caused by chromosomal mutations. Some human genetic disorders are X-linked or Y-linked, which means the faulty gene is carried on these sex chromosomes. Other genetic disorders are carrie... |
NDQ_010799 | genetic disorders are contagious. | a. true, b. false | b | Lesson: genetic disorders
Human Genetic Disorders:
Many genetic disorders are caused by mutations in one or a few genes. Others are caused by chromosomal mutations. Some human genetic disorders are X-linked or Y-linked, which means the faulty gene is carried on these sex chromosomes. Other genetic disorders are carrie... |
NDQ_010803 | for a child to have cystic fibrosis, the child had to | a. inherit two dominant alleles, b. inherit two recessive alleles, c. inherit one dominant and one recessive allele, d. none of the above | b | Lesson: genetic disorders
Human Genetic Disorders:
Many genetic disorders are caused by mutations in one or a few genes. Others are caused by chromosomal mutations. Some human genetic disorders are X-linked or Y-linked, which means the faulty gene is carried on these sex chromosomes. Other genetic disorders are carrie... |
NDQ_010804 | for a child to have huntingtons disease, the child had to | a. inherit two dominant alleles, b. inherit two recessive alleles, c. inherit one dominant and one recessive allele, d. none of the above | c | Lesson: genetic disorders
Human Genetic Disorders:
Many genetic disorders are caused by mutations in one or a few genes. Others are caused by chromosomal mutations. Some human genetic disorders are X-linked or Y-linked, which means the faulty gene is carried on these sex chromosomes. Other genetic disorders are carrie... |
NDQ_010805 | tay sachs is an autosomal recessive disorder in which affected individuals die in their childhood. for a child to have tay sachs, | a. both parents must be carriers, b. both parents must have the disease, c. only one parent must have the disease, d. the child must inherit at least one disease allele | a | Lesson: genetic disorders
Human Genetic Disorders:
Many genetic disorders are caused by mutations in one or a few genes. Others are caused by chromosomal mutations. Some human genetic disorders are X-linked or Y-linked, which means the faulty gene is carried on these sex chromosomes. Other genetic disorders are carrie... |
NDQ_010806 | a man with cystic fibrosis marries a normal woman. what is the chance that they will have an affected child? | a. 0, b. 25%, c. 50%, d. 100% | a | Lesson: genetic disorders
Human Genetic Disorders:
Many genetic disorders are caused by mutations in one or a few genes. Others are caused by chromosomal mutations. Some human genetic disorders are X-linked or Y-linked, which means the faulty gene is carried on these sex chromosomes. Other genetic disorders are carrie... |
NDQ_010807 | what is the chance that two carriers of the cystic fibrosis allele will have a carrier child? | a. 0, b. 25%, c. 50%, d. 100% | a | Lesson: genetic disorders
Human Genetic Disorders:
Many genetic disorders are caused by mutations in one or a few genes. Others are caused by chromosomal mutations. Some human genetic disorders are X-linked or Y-linked, which means the faulty gene is carried on these sex chromosomes. Other genetic disorders are carrie... |
NDQ_010838 | at genetic equilibrium, there is no evolution. | a. true, b. false | a | Lesson: hardy weinberg theorem
HardyWeinberg Equilibrium:
Sometimes understanding how common a gene is within a population is necessary. Or, more specifically, you may want to know how common a certain form of that gene is within the population, such as a recessive form. This can be done using the Hardy-Weinberg model... |
NDQ_010839 | genetic equilibrium rarely occurs in nature. | a. true, b. false | a | Lesson: hardy weinberg theorem
HardyWeinberg Equilibrium:
Sometimes understanding how common a gene is within a population is necessary. Or, more specifically, you may want to know how common a certain form of that gene is within the population, such as a recessive form. This can be done using the Hardy-Weinberg model... |
NDQ_010843 | which of the following are conditions for hardy-weinberg equilibrium? | a. no mutations, b. no natural selection, c. random mating, d. all of the above | d | Lesson: hardy weinberg theorem
HardyWeinberg Equilibrium:
Sometimes understanding how common a gene is within a population is necessary. Or, more specifically, you may want to know how common a certain form of that gene is within the population, such as a recessive form. This can be done using the Hardy-Weinberg model... |
NDQ_010844 | which of the following processes selects for specific alleles? | a. natural selection, b. random mating, c. large population, d. migration | a | Lesson: hardy weinberg theorem
HardyWeinberg Equilibrium:
Sometimes understanding how common a gene is within a population is necessary. Or, more specifically, you may want to know how common a certain form of that gene is within the population, such as a recessive form. This can be done using the Hardy-Weinberg model... |
NDQ_010845 | the movement of 100 individuals into an area each winter, and the movement of 50 out of the area each spring is an example of | a. natural selection, b. random mating, c. migration, d. mutation | c | Lesson: hardy weinberg theorem
HardyWeinberg Equilibrium:
Sometimes understanding how common a gene is within a population is necessary. Or, more specifically, you may want to know how common a certain form of that gene is within the population, such as a recessive form. This can be done using the Hardy-Weinberg model... |
NDQ_010846 | if a population at genetic equilibrium consists of 75% a alleles one generation, how many a alleles will be in the population the next generation. | a. 75%, b. 50%, c. 25%, d. 0% | c | Lesson: hardy weinberg theorem
HardyWeinberg Equilibrium:
Sometimes understanding how common a gene is within a population is necessary. Or, more specifically, you may want to know how common a certain form of that gene is within the population, such as a recessive form. This can be done using the Hardy-Weinberg model... |
NDQ_010847 | if a population consists of 10% recessive aa phenotype, what amount of the population has the dominant phenotype? | a. 10% aa, b. 80% aa, c. 90%, d. all of the above | c | Lesson: hardy weinberg theorem
HardyWeinberg Equilibrium:
Sometimes understanding how common a gene is within a population is necessary. Or, more specifically, you may want to know how common a certain form of that gene is within the population, such as a recessive form. This can be done using the Hardy-Weinberg model... |
NDQ_010848 | bacteria can be used as a weapon. | a. true, b. false | a | Lesson: harmful bacteria
Harmful Bacteria:
With so many species of bacteria, some are bound to be harmful. Harmful bacteria can make you sick. They can also ruin food and be used to hurt people.
Diseases:
There are also ways that bacteria can be harmful to humans and other animals. Bacteria are responsible for many ... |
NDQ_010849 | bacteria are so small, and there are so many, that they cannot be killed. | a. true, b. false | b | Lesson: harmful bacteria
Harmful Bacteria:
With so many species of bacteria, some are bound to be harmful. Harmful bacteria can make you sick. They can also ruin food and be used to hurt people.
Diseases:
There are also ways that bacteria can be harmful to humans and other animals. Bacteria are responsible for many ... |
NDQ_010853 | which diseases are caused by bacteria? | a. strep throat, b. pneumonia, c. leprosy, d. all of the above | d | Lesson: harmful bacteria
Harmful Bacteria:
With so many species of bacteria, some are bound to be harmful. Harmful bacteria can make you sick. They can also ruin food and be used to hurt people.
Diseases:
There are also ways that bacteria can be harmful to humans and other animals. Bacteria are responsible for many ... |
NDQ_010854 | lyme disease can be treated with | a. antibiotics, b. aspirin, c. advil, d. anti-lyme | a | Lesson: harmful bacteria
Harmful Bacteria:
With so many species of bacteria, some are bound to be harmful. Harmful bacteria can make you sick. They can also ruin food and be used to hurt people.
Diseases:
There are also ways that bacteria can be harmful to humans and other animals. Bacteria are responsible for many ... |
NDQ_010855 | what foods may cause food poisoning? | a. scrambled eggs and raw meat, b. raw eggs and undercooked meat, c. raw meat and spoiled eggs, d. steak and eggs | b | Lesson: harmful bacteria
Harmful Bacteria:
With so many species of bacteria, some are bound to be harmful. Harmful bacteria can make you sick. They can also ruin food and be used to hurt people.
Diseases:
There are also ways that bacteria can be harmful to humans and other animals. Bacteria are responsible for many ... |
NDQ_010856 | which of the following is an example of a biological weapon? | a. anthrax, b. anathrax, c. antibiothrax, d. anaphase | a | Lesson: harmful bacteria
Harmful Bacteria:
With so many species of bacteria, some are bound to be harmful. Harmful bacteria can make you sick. They can also ruin food and be used to hurt people.
Diseases:
There are also ways that bacteria can be harmful to humans and other animals. Bacteria are responsible for many ... |
NDQ_010857 | what part of a bacterium can be deadly? | a. the cell wall, b. the cytoplasm, c. the spores, d. the nucleus | c | Lesson: harmful bacteria
Harmful Bacteria:
With so many species of bacteria, some are bound to be harmful. Harmful bacteria can make you sick. They can also ruin food and be used to hurt people.
Diseases:
There are also ways that bacteria can be harmful to humans and other animals. Bacteria are responsible for many ... |
NDQ_010858 | over two million people die each year from issues related to air pollution. | a. true, b. false | a | Lesson: health hazards of air pollution
Health Hazards of Air Pollution:
The World Health Organization (WHO) reports that 2.4 million people die each year from causes directly related to air pollution. This includes both outdoor and indoor air pollution. Worldwide, there are more deaths linked to air pollution each ye... |
NDQ_010859 | by using some precautions, indoor air pollution can usually be controlled. | a. true, b. false | a | Lesson: health hazards of air pollution
Health Hazards of Air Pollution:
The World Health Organization (WHO) reports that 2.4 million people die each year from causes directly related to air pollution. This includes both outdoor and indoor air pollution. Worldwide, there are more deaths linked to air pollution each ye... |
NDQ_010863 | air pollution related respiratory disorders include | a. asthma, bronchitis, and emphysema, b. asthma, bronchitis, and lung cancer, c. heart disease and lung cancer, d. all of the above | a | Lesson: health hazards of air pollution
Health Hazards of Air Pollution:
The World Health Organization (WHO) reports that 2.4 million people die each year from causes directly related to air pollution. This includes both outdoor and indoor air pollution. Worldwide, there are more deaths linked to air pollution each ye... |
NDQ_010864 | which of the following is a method to protect yourself from indoor air pollution? | a. keep your home clean from mold, b. never burn charcoal indoors, c. place carbon monoxide detectors in the home, d. all of the above | d | Lesson: health hazards of air pollution
Health Hazards of Air Pollution:
The World Health Organization (WHO) reports that 2.4 million people die each year from causes directly related to air pollution. This includes both outdoor and indoor air pollution. Worldwide, there are more deaths linked to air pollution each ye... |
NDQ_010865 | which of the following is a method to protect yourself from outdoor air pollution? | a. wear a mask indoors, b. dont go outside, c. dont use charcoal for cooking outdoors, d. all of the above | b | Lesson: health hazards of air pollution
Health Hazards of Air Pollution:
The World Health Organization (WHO) reports that 2.4 million people die each year from causes directly related to air pollution. This includes both outdoor and indoor air pollution. Worldwide, there are more deaths linked to air pollution each ye... |
NDQ_010866 | which of the following is characterized by wheezing, coughing, and a feeling of constriction in the chest? | a. lung cancer, b. asthma, c. emphysema, d. the flu | b | Lesson: health hazards of air pollution
Health Hazards of Air Pollution:
The World Health Organization (WHO) reports that 2.4 million people die each year from causes directly related to air pollution. This includes both outdoor and indoor air pollution. Worldwide, there are more deaths linked to air pollution each ye... |
NDQ_010867 | worldwide, there are more deaths linked to air pollution each year than to __________. | a. heart disease, b. cancer, c. car accidents, d. all of the above | c | Lesson: health hazards of air pollution
Health Hazards of Air Pollution:
The World Health Organization (WHO) reports that 2.4 million people die each year from causes directly related to air pollution. This includes both outdoor and indoor air pollution. Worldwide, there are more deaths linked to air pollution each ye... |
NDQ_010868 | lots of people are allergic to shellfish. | a. true, b. false | a | Lesson: health of the digestive system
Health of the Digestive System:
Most of the time, you probably arent aware of your digestive system. It works well without causing any problems. But most people have problems with their digestive system at least once in a while. Did you ever eat something that didnt agree with yo... |
NDQ_010869 | well over 10% of the worlds population has problems digesting milk. | a. true, b. false | a | Lesson: health of the digestive system
Health of the Digestive System:
Most of the time, you probably arent aware of your digestive system. It works well without causing any problems. But most people have problems with their digestive system at least once in a while. Did you ever eat something that didnt agree with yo... |
NDQ_010873 | which are common foods that cause food allergies? | a. milk, nuts and apples, b. nuts, steak and eggs, c. milk, shellfish and bananas, d. grains, eggs and nuts | d | Lesson: health of the digestive system
Health of the Digestive System:
Most of the time, you probably arent aware of your digestive system. It works well without causing any problems. But most people have problems with their digestive system at least once in a while. Did you ever eat something that didnt agree with yo... |
NDQ_010874 | methods to prevent foodborne illnesses include | a. cooking meats, poultry, fish, and eggs thoroughly, b. keeping cold foods hot and hot foods cold, c. the refrigeration of uncooked foods soon after a meal, d. all of the above | a | Lesson: health of the digestive system
Health of the Digestive System:
Most of the time, you probably arent aware of your digestive system. It works well without causing any problems. But most people have problems with their digestive system at least once in a while. Did you ever eat something that didnt agree with yo... |
NDQ_010875 | which virus has caused foodborne illnesses on cruise ships? | a. hepatitis a virus, b. norovirus, c. listeria, d. salmonella | b | Lesson: health of the digestive system
Health of the Digestive System:
Most of the time, you probably arent aware of your digestive system. It works well without causing any problems. But most people have problems with their digestive system at least once in a while. Did you ever eat something that didnt agree with yo... |
NDQ_010876 | symptoms of anaphylaxis include | a. a swollen throat, b. a rapid pulse, c. loss of consciousness, d. all of the above | d | Lesson: health of the digestive system
Health of the Digestive System:
Most of the time, you probably arent aware of your digestive system. It works well without causing any problems. But most people have problems with their digestive system at least once in a while. Did you ever eat something that didnt agree with yo... |
NDQ_010877 | common food allergies include | a. tingling or itching of the stomach, b. swelling of the lips, face, tongue and throat, c. a severe drop in blood pressure, d. all of the above | b | Lesson: health of the digestive system
Health of the Digestive System:
Most of the time, you probably arent aware of your digestive system. It works well without causing any problems. But most people have problems with their digestive system at least once in a while. Did you ever eat something that didnt agree with yo... |
NDQ_010878 | hearing is the ability to sense sound. | a. true, b. false | a | Lesson: hearing and balance
Hearing and Balance:
What do listening to music and riding a bike have in common? It might surprise you to learn that both activities depend on your ears. The ears do more than just detect sound. They also sense the position of the body and help maintain balance.
Hearing:
Hearing is the a... |
NDQ_010879 | our ears interpret the sounds that we hear. | a. true, b. false | b | Lesson: hearing and balance
Hearing and Balance:
What do listening to music and riding a bike have in common? It might surprise you to learn that both activities depend on your ears. The ears do more than just detect sound. They also sense the position of the body and help maintain balance.
Hearing:
Hearing is the a... |
NDQ_010883 | what part of the ear is involved in maintaining balance? | a. the tympanic cavity, b. the cochlear nerve, c. the semicircular canals, d. all of the above | c | Lesson: hearing and balance
Hearing and Balance:
What do listening to music and riding a bike have in common? It might surprise you to learn that both activities depend on your ears. The ears do more than just detect sound. They also sense the position of the body and help maintain balance.
Hearing:
Hearing is the a... |
NDQ_010884 | once sound waves enter the ear, vibrations pass from the eardrum to the | a. hammer, b. anvil, c. stirrup, d. oval window | a | Lesson: hearing and balance
Hearing and Balance:
What do listening to music and riding a bike have in common? It might surprise you to learn that both activities depend on your ears. The ears do more than just detect sound. They also sense the position of the body and help maintain balance.
Hearing:
Hearing is the a... |
NDQ_010885 | what part of the ear is lined with tiny hairs and filled with fluid? | a. the auditory canal, b. the eustachian tube, c. the cochlea, d. the tympanic cavity | c | Lesson: hearing and balance
Hearing and Balance:
What do listening to music and riding a bike have in common? It might surprise you to learn that both activities depend on your ears. The ears do more than just detect sound. They also sense the position of the body and help maintain balance.
Hearing:
Hearing is the a... |
NDQ_010886 | what part of the ear passes vibrations to the cochlea of the inner ear? | a. the oval window, b. the round window, c. the cochlear canal, d. the stapes | a | Lesson: hearing and balance
Hearing and Balance:
What do listening to music and riding a bike have in common? It might surprise you to learn that both activities depend on your ears. The ears do more than just detect sound. They also sense the position of the body and help maintain balance.
Hearing:
Hearing is the a... |
NDQ_010887 | how is the signal relayed to the brain to tell the body to maintain balance? | a. the signal is sent through the cochlear nerve, b. the signal is sent through the vestibular nerve, c. the signal is sent through the eustachian tube, d. the signal is sent through the semicircular canals | b | Lesson: hearing and balance
Hearing and Balance:
What do listening to music and riding a bike have in common? It might surprise you to learn that both activities depend on your ears. The ears do more than just detect sound. They also sense the position of the body and help maintain balance.
Hearing:
Hearing is the a... |
NDQ_010888 | the ventricles are more muscular than the atria. | a. true, b. false | a | Lesson: heart
The Heart:
What does the heart look like? How does it pump blood? The heart is divided into four chambers ( Figure 1.1), or spaces: the left and right atria, and the left and right ventricles. An atrium (singular for atria) is one of the two small, thin-walled chambers on the top of the heart where the b... |
NDQ_010889 | valves in the heart keep the blood flowing in one direction. | a. true, b. false | a | Lesson: heart
The Heart:
What does the heart look like? How does it pump blood? The heart is divided into four chambers ( Figure 1.1), or spaces: the left and right atria, and the left and right ventricles. An atrium (singular for atria) is one of the two small, thin-walled chambers on the top of the heart where the b... |
NDQ_010893 | what is the role of the semilunar valves? | a. to stop blood from moving from the arteries into the ventricles, b. to stop blood from moving from the ventricles to the atria, c. to stop blood from moving from the atria to the ventricles, d. to stop blood from moving from the artria to the veins | a | Lesson: heart
The Heart:
What does the heart look like? How does it pump blood? The heart is divided into four chambers ( Figure 1.1), or spaces: the left and right atria, and the left and right ventricles. An atrium (singular for atria) is one of the two small, thin-walled chambers on the top of the heart where the b... |
NDQ_010894 | what happens to the blood in the lungs? | a. oxygen-poor blood releases oxygen and picks up carbon dioxide, b. oxygen-poor blood releases carbon dioxide and picks up oxygen, c. oxygen-rich blood releases oxygen and picks up carbon dioxide, d. oxygen-rich blood releases carbon dioxide and picks up oxygen | b | Lesson: heart
The Heart:
What does the heart look like? How does it pump blood? The heart is divided into four chambers ( Figure 1.1), or spaces: the left and right atria, and the left and right ventricles. An atrium (singular for atria) is one of the two small, thin-walled chambers on the top of the heart where the b... |
NDQ_010895 | what part of the heart receives oxygen-poor blood from the body? | a. the left ventricle receives oxygen-poor blood from the body, b. the left atrium receives oxygen-poor blood from the body, c. the right atrium receives oxygen-poor blood from the body, d. the right ventricle receives oxygen-poor blood from the body | c | Lesson: heart
The Heart:
What does the heart look like? How does it pump blood? The heart is divided into four chambers ( Figure 1.1), or spaces: the left and right atria, and the left and right ventricles. An atrium (singular for atria) is one of the two small, thin-walled chambers on the top of the heart where the b... |
NDQ_010896 | what do you think would happen if a heart had a leaky av valve? | a. blood would flow back from the ventricles to the atria, b. blood would flow back from the atria to the ventricles, c. blood would flow back from the veins to the atria, d. blood would flow back from the arteries to the ventricles | a | Lesson: heart
The Heart:
What does the heart look like? How does it pump blood? The heart is divided into four chambers ( Figure 1.1), or spaces: the left and right atria, and the left and right ventricles. An atrium (singular for atria) is one of the two small, thin-walled chambers on the top of the heart where the b... |
NDQ_010897 | what do you think would happen if muscle cells contracted independently? | a. only some of the blood would be pushed out, b. blood would flow backwards into the heart, c. there would not be enough force to push the blood out, d. all of the above would be consequences | c | Lesson: heart
The Heart:
What does the heart look like? How does it pump blood? The heart is divided into four chambers ( Figure 1.1), or spaces: the left and right atria, and the left and right ventricles. An atrium (singular for atria) is one of the two small, thin-walled chambers on the top of the heart where the b... |
NDQ_010898 | we need bacteria to survive. | a. true, b. false | a | Lesson: helpful bacteria
Helpful Bacteria:
Can we survive without bacteria? Could bacteria survive without us? No and yes. No, we could not survive without bacteria. And yes, bacteria could survive without us.
Foods:
Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. T... |
NDQ_010899 | in your gut, bacteria cells outnumber your own cells. | a. true, b. false | a | Lesson: helpful bacteria
Helpful Bacteria:
Can we survive without bacteria? Could bacteria survive without us? No and yes. No, we could not survive without bacteria. And yes, bacteria could survive without us.
Foods:
Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. T... |
NDQ_010903 | during fermentation, bacteria turn milk sugars into | a. carbon dioxide, b. oxygen, c. lactic acid, d. glucose | c | Lesson: helpful bacteria
Helpful Bacteria:
Can we survive without bacteria? Could bacteria survive without us? No and yes. No, we could not survive without bacteria. And yes, bacteria could survive without us.
Foods:
Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. T... |
NDQ_010904 | bacteria have been used to produce human versions of | a. lactic acid, b. insulin, c. nitrogen, d. yogurt | b | Lesson: helpful bacteria
Helpful Bacteria:
Can we survive without bacteria? Could bacteria survive without us? No and yes. No, we could not survive without bacteria. And yes, bacteria could survive without us.
Foods:
Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. T... |
NDQ_010905 | fermentation occurs in the absence of oxygen. fermentation allows glycolysis, the first step of cellular respiration, to continue, producing 2 atp in the process. lactic acid is produced in certain types of fermentation. what is the waste product in this process? | a. glucose, b. lactic acid, c. oxygen, d. atp | b | Lesson: helpful bacteria
Helpful Bacteria:
Can we survive without bacteria? Could bacteria survive without us? No and yes. No, we could not survive without bacteria. And yes, bacteria could survive without us.
Foods:
Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. T... |
NDQ_010906 | what process is used when placing a foreign gene into bacteria? | a. transformation, b. transduction, c. transcription, d. translation | a | Lesson: helpful bacteria
Helpful Bacteria:
Can we survive without bacteria? Could bacteria survive without us? No and yes. No, we could not survive without bacteria. And yes, bacteria could survive without us.
Foods:
Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. T... |
NDQ_010907 | decomposers help recycle nutrients so organisms can use them. decomposers include scavengers like vultures, as well as many types of worms, fungi and bacteria. what nutrient does bacteria recycle? | a. vitamin c, b. vitamin d, c. magnesium, d. nitrogen | d | Lesson: helpful bacteria
Helpful Bacteria:
Can we survive without bacteria? Could bacteria survive without us? No and yes. No, we could not survive without bacteria. And yes, bacteria could survive without us.
Foods:
Bacteria can be used to make cheese from milk. The bacteria turn the milk sugars into lactic acid. T... |
NDQ_010908 | the development of aids can be delayed by well over 20 years with proper medicines. | a. true, b. false | a | Lesson: hiv and aids
HIV Infection and AIDS:
HIV, or human immunodeficiency virus, causes AIDS. AIDS stands for "acquired immune deficiency syndrome." It is a condition that causes death and does not have a known cure. AIDS usually develops 10 to 15 years after a person is first infected with HIV. The development of A... |
NDQ_010909 | hiv spreads through kissing. | a. true, b. false | b | Lesson: hiv and aids
HIV Infection and AIDS:
HIV, or human immunodeficiency virus, causes AIDS. AIDS stands for "acquired immune deficiency syndrome." It is a condition that causes death and does not have a known cure. AIDS usually develops 10 to 15 years after a person is first infected with HIV. The development of A... |
NDQ_010913 | why is donated blood safe from hiv? | a. people with hiv are prevented from donating blood, b. donated blood is also tested to make sure it is does not contain hiv, c. hiv is removed from all donated blood, d. all of the above | b | Lesson: hiv and aids
HIV Infection and AIDS:
HIV, or human immunodeficiency virus, causes AIDS. AIDS stands for "acquired immune deficiency syndrome." It is a condition that causes death and does not have a known cure. AIDS usually develops 10 to 15 years after a person is first infected with HIV. The development of A... |
NDQ_010914 | without proper medicines, aids usually develops __________ years after a person is first infected with hiv. | a. 1 to 5, b. 5 to 10, c. 10 to 15, d. more than 20 | c | Lesson: hiv and aids
HIV Infection and AIDS:
HIV, or human immunodeficiency virus, causes AIDS. AIDS stands for "acquired immune deficiency syndrome." It is a condition that causes death and does not have a known cure. AIDS usually develops 10 to 15 years after a person is first infected with HIV. The development of A... |
NDQ_010915 | what continent is the hardest hit by hiv? | a. north america, b. asia, c. africa, d. australia | c | Lesson: hiv and aids
HIV Infection and AIDS:
HIV, or human immunodeficiency virus, causes AIDS. AIDS stands for "acquired immune deficiency syndrome." It is a condition that causes death and does not have a known cure. AIDS usually develops 10 to 15 years after a person is first infected with HIV. The development of A... |
NDQ_010916 | what body fluid can spread hiv? | a. breast milk, b. sweat, c. saliva, d. all body fluids can spread hiv | a | Lesson: hiv and aids
HIV Infection and AIDS:
HIV, or human immunodeficiency virus, causes AIDS. AIDS stands for "acquired immune deficiency syndrome." It is a condition that causes death and does not have a known cure. AIDS usually develops 10 to 15 years after a person is first infected with HIV. The development of A... |
NDQ_010917 | when does aids develop? | a. aids develops when a person with hiv catches a cold, b. aids develops when helper t cells fall to a very low level, c. aids develops when a person with hiv produces more virus, d. aids develops when the vaccine no longer works in that person | b | Lesson: hiv and aids
HIV Infection and AIDS:
HIV, or human immunodeficiency virus, causes AIDS. AIDS stands for "acquired immune deficiency syndrome." It is a condition that causes death and does not have a known cure. AIDS usually develops 10 to 15 years after a person is first infected with HIV. The development of A... |
NDQ_010918 | your body temperature drops on a cold day. | a. true, b. false | b | Lesson: homeostasis
Homeostasis and Feedback Regulation:
When you walk outside on a cool day, does your body temperature drop? No, your body temperature stays stable at around 98.6 degrees Fahrenheit. Even when the temperature around you changes, your internal temperature stays the same. This ability of the body to ma... |
NDQ_010919 | your body temperature always tries to be around 98.6 degrees fahrenheit, even if it is very hot outside. | a. true, b. false | a | Lesson: homeostasis
Homeostasis and Feedback Regulation:
When you walk outside on a cool day, does your body temperature drop? No, your body temperature stays stable at around 98.6 degrees Fahrenheit. Even when the temperature around you changes, your internal temperature stays the same. This ability of the body to ma... |
NDQ_010923 | your bodys internal thermostat is regulated by | a. negative feedback, b. positive feedback, c. homeostasis, d. receptors in the skin and the brain | a | Lesson: homeostasis
Homeostasis and Feedback Regulation:
When you walk outside on a cool day, does your body temperature drop? No, your body temperature stays stable at around 98.6 degrees Fahrenheit. Even when the temperature around you changes, your internal temperature stays the same. This ability of the body to ma... |
NDQ_010924 | which is an example of positive feedback? | a. maintaining stable blood glucose levels, b. the production of milk in a nursing mother, c. maintaining a stable body temperature, d. all of the above | b | Lesson: homeostasis
Homeostasis and Feedback Regulation:
When you walk outside on a cool day, does your body temperature drop? No, your body temperature stays stable at around 98.6 degrees Fahrenheit. Even when the temperature around you changes, your internal temperature stays the same. This ability of the body to ma... |
NDQ_010925 | which hormone stimulates the removal of sugar from the blood? | a. glucose, b. glucagon, c. insulin, d. glycogen | c | Lesson: homeostasis
Homeostasis and Feedback Regulation:
When you walk outside on a cool day, does your body temperature drop? No, your body temperature stays stable at around 98.6 degrees Fahrenheit. Even when the temperature around you changes, your internal temperature stays the same. This ability of the body to ma... |
NDQ_010926 | which is the proper sequence of events in maintaining homeostasis? | a. 1. signal, 2. receptor, 3. stimulus, 4. response, b. 1. stimulus, 2. response, 3. signal, 4. receptor, c. 1. receptor, 2. stimulus, 3. signal, 4. response, d. 1. stimulus, 2. receptor, 3. signal, 4. response | d | Lesson: homeostasis
Homeostasis and Feedback Regulation:
When you walk outside on a cool day, does your body temperature drop? No, your body temperature stays stable at around 98.6 degrees Fahrenheit. Even when the temperature around you changes, your internal temperature stays the same. This ability of the body to ma... |
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