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NDQ_007957
The liver removes excess water and salts from the blood.
a. true, b. false
b
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007958
Each kidney contains more than a million nephrons.
a. true, b. false
a
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007959
Urine moves through the ureters by
a. gravity, b. diffusion, c. peristalsis, d. none of the above
c
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007960
Some of the water filtered out of the blood by nephrons is reabsorbed.
a. true, b. false
a
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007961
How do the kidneys help maintain homeostasis?
a. They control the amount of water in the body, b. They secrete a hormone that regulates sweat production, c. They secrete a hormone that stimulates muscle contractions, d. all of the above
a
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007962
How does untreated diabetes cause kidney failure?
a. It leads to kidney stones that damage nephrons, b. It damages capillaries in the kidneys, c. It causes frequent urinary tract infections, d. It causes urine to back up in the kidneys
b
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007963
The bladder is the urinary system organ where urine forms.
a. true, b. false
b
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007964
The only cure for kidney failure is a kidney transplant.
a. true, b. false
a
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007965
__muscular tube that carries urine out of the body
a. ureter, b. kidney stone, c. nephron, d. urethra, e. kidney, f. hemodialysis, g. urinary bladder
d
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007966
__tiny structure in a kidney that filters blood and forms urine
a. ureter, b. kidney stone, c. nephron, d. urethra, e. kidney, f. hemodialysis, g. urinary bladder
c
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007967
__sac-like organ that stores urine
a. ureter, b. kidney stone, c. nephron, d. urethra, e. kidney, f. hemodialysis, g. urinary bladder
g
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007968
__mineral crystal that forms in urine inside a kidney
a. ureter, b. kidney stone, c. nephron, d. urethra, e. kidney, f. hemodialysis, g. urinary bladder
b
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007969
__artificial filtering of blood through a machine
a. ureter, b. kidney stone, c. nephron, d. urethra, e. kidney, f. hemodialysis, g. urinary bladder
f
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007970
__muscular tube that carries urine from a kidney to the urinary bladder
a. ureter, b. kidney stone, c. nephron, d. urethra, e. kidney, f. hemodialysis, g. urinary bladder
a
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_007971
__main organ of the urinary system
a. ureter, b. kidney stone, c. nephron, d. urethra, e. kidney, f. hemodialysis, g. urinary bladder
e
Lesson: the excretory system Excretion: Excretion is any process in which excess water or wastes are removed from the body. Excretion is the job of the excretory system. Besides the kidneys, other organs of excretion include the large intestine, liver, skin and lungs. The large intestine eliminates food wastes that re...
NDQ_008007
_________smallest particle of an element that still has the properties of that element
a. enzyme, b. protein, c. molecule, d. cellulose, e. atom, f. lipid, g. nucleic acid
e
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008008
_________carbohydrate that makes up the cell walls of plants
a. enzyme, b. protein, c. molecule, d. cellulose, e. atom, f. lipid, g. nucleic acid
d
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008009
_________biochemical compound that consists of nucleotides
a. enzyme, b. protein, c. molecule, d. cellulose, e. atom, f. lipid, g. nucleic acid
g
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008010
_________smallest particle of a compound that still has the properties of that compound
a. enzyme, b. protein, c. molecule, d. cellulose, e. atom, f. lipid, g. nucleic acid
c
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008011
_________class of biochemical compound that consists of amino acids
a. enzyme, b. protein, c. molecule, d. cellulose, e. atom, f. lipid, g. nucleic acid
b
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008012
_________class of biochemical compound that consists of fatty acids
a. enzyme, b. protein, c. molecule, d. cellulose, e. atom, f. lipid, g. nucleic acid
f
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008013
_________protein that speeds up biochemical reactions
a. enzyme, b. protein, c. molecule, d. cellulose, e. atom, f. lipid, g. nucleic acid
a
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008021
_________Atoms can be observed only with an electron microscope.
a. true, b. false
a
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008022
_________Glycogen is a complex carbohydrate found in animals.
a. true, b. false
a
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008023
_________Glucose is a polymer of starch.
a. true, b. false
b
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008024
_________Saturated fatty acids are found in oils
a. true, b. false
b
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008025
_________The genetic code tells cells how to make proteins.
a. true, b. false
a
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008026
_________The substances that start a chemical reaction are called products.
a. true, b. false
b
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008027
_________Cellular respiration involves catabolic reactions.
a. true, b. false
a
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008028
Major elements in the human body include
a. hydrogen, b. carbon dioxide, c. water, d. all of the above
a
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008029
Which of the following is one of the four main classes of biochemical compounds?
a. carbohydrates, b. sugars, c. fats, d. DNA
a
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008030
Uses of lipids include
a. storing energy, b. making proteins, c. making up cell walls, d. regulating life processes
a
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008031
Functions of proteins include
a. making up muscles, b. fighting infections, c. transporting materials, d. all of the above
d
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008032
How does RNA differ from DNA?
a. RNA consists of one chain of nucleotides rather than two chains, b. RNA has the nitrogen base thymine instead of uracil, c. RNA is a fatty acid rather than a nucleic acid, d. all of the above
a
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008033
Anabolic reactions are biochemical reactions in which
a. chemical bonds are broken, b. chemical bonds are formed, c. energy is released, d. two of the above
b
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008034
Which statement about enzymes is true?
a. Enzymes are products in biochemical reactions, b. Enzymes speed up biochemical reactions, c. Enzymes are used up in biochemical reactions, d. Enzymes are reactants in biochemical reactions
b
Lesson: chemistry of living things Whats the Matter: All known matter can be divided into a little more than 100 different substances called elements. Elements and Compounds: An element is pure substance that cannot be broken down into other substances. Each element has a particular set of properties that, taken tog...
NDQ_008063
A bundle of nerve cells make up a(n)
a. neuron, b. nerve, c. axon, d. lobe
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008064
Functions of the human nervous system include
a. sensing the internal and external environments, b. helping maintain homeostasis of the body, c. preparing the body to fight or flee in emergencies, d. all of the above
d
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008065
How do nerve impulses travel across a synapse?
a. They swim across through synaptic fluid, b. They are carried across by special chemicals, c. They jump across like an electric spark, d. They move across through interneurons
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008066
The type of neuron that carries messages from the brain to internal organs and glands is a(n)
a. motor neuron, b. sensory neuron, c. organ neuron, d. endocrine neuron
a
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008067
The brain stem
a. is the smallest of the three main part of the brain, b. carries nerve impulses between the brain and spinal cord, c. controls involuntary body functions such as digestion, d. all of the above
d
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008068
Which statement about the brain is false?
a. It is the most complex organ in the body, b. It is the largest organ in the body, c. It consists of billions of neurons, d. It serves as the control center of the body
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008069
Which part of the brain controls involuntary functions such as heartbeat?
a. cerebrum, b. cerebellum, c. brain stem, d. temporal lobe
c
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008070
The part of the cerebrum that controls hearing is the
a. frontal lobe, b. parietal lobe, c. temporal lobe, d. occipital lobe
c
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008071
Which part of the peripheral nervous system controls only involuntary responses of the body?
a. sensory division, b. motor division, c. somatic nervous system, d. autonomic nervous system
d
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008072
Which part of the peripheral nervous system controls muscles that are under voluntary control?
a. sympathetic division, b. parasympathetic division, c. somatic nervous system, d. autonomic nervous system
c
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008074
Central nervous system infections include
a. encephalitis, b. epilepsy, c. meningitis, d. two of the above
d
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008076
Use of a drug without the advice of medical professionals and for reasons not originally intended is referred to as
a. drug addiction, b. drug overdose, c. drug abuse, d. none of the above
c
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008084
A stroke occurs when a blood clot blocks blood flow to part of the brain.
a. true, b. false
a
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008085
Psychoactive drugs include antidepressants and caffeine.
a. true, b. false
a
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008087
The cerebellum is divided down the middle to form right and left hemispheres.
a. true, b. false
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008090
The spinal cord is part of the peripheral nervous system.
a. true, b. false
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008091
The sensory division of the peripheral nervous system carries messages away from the brain.
a. true, b. false
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008092
A single neuron may have thousands of dendrites.
a. true, b. false
a
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008093
The cerebellum controls conscious functions such as thinking and speaking.
a. true, b. false
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008094
The two hemispheres of the cerebrum are identical to each other.
a. true, b. false
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008095
The peripheral nervous system includes all of the nervous tissue in the body except for the brain.
a. true, b. false
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008096
The sympathetic division of the autonomic nervous system prepares the body for emergencies.
a. true, b. false
a
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008097
Seizures in epilepsy are caused by abnormal electrical activity in the brain.
a. true, b. false
a
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008098
All psychoactive drugs are illegal drugs.
a. true, b. false
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008099
__type of nerve cell that carries nerve impulses back and forth between sensory and motor neurons
a. axon, b. cerebellum, c. cell body, d. dendrite, e. nerve impulse, f. cerebrum, g. interneuron
g
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008100
__largest part of the brain
a. axon, b. cerebellum, c. cell body, d. dendrite, e. nerve impulse, f. cerebrum, g. interneuron
f
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008101
__part of a neuron that contains the nucleus and other organelles
a. axon, b. cerebellum, c. cell body, d. dendrite, e. nerve impulse, f. cerebrum, g. interneuron
c
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008102
__part of the brain that controls coordination and balance
a. axon, b. cerebellum, c. cell body, d. dendrite, e. nerve impulse, f. cerebrum, g. interneuron
b
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008103
__part of a neuron that receives nerve impulses from other cells
a. axon, b. cerebellum, c. cell body, d. dendrite, e. nerve impulse, f. cerebrum, g. interneuron
d
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008104
__part of a neuron that passes on nerve impulses to other cells
a. axon, b. cerebellum, c. cell body, d. dendrite, e. nerve impulse, f. cerebrum, g. interneuron
a
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008105
__electrical message carried by neurons
a. axon, b. cerebellum, c. cell body, d. dendrite, e. nerve impulse, f. cerebrum, g. interneuron
e
Lesson: the nervous system Functions of the Nervous System: Controlling muscles and maintaining balance are just two of the functions of the human nervous system. What else does the nervous system do? It senses the surrounding environment with sense organs that include the eyes and ears. It senses the bodys own intern...
NDQ_008106
In the eye, light is focused by the
a. retin, b. cornea, c. lens, d. two of the above
d
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008107
We see most objects because they reflect light from another source.
a. true, b. false
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008108
The colored part of the eye is called the iris.
a. true, b. false
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008109
Which statement about hyperopia is true?
a. It can be corrected with convex lenses, b. It happens because the eyeball is too long, c. It occurs when images focus in front of the retina, d. two of the above
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008110
Nerve impulses travel from the ears to the brain through the
a. optic nerve, b. spinal cord, c. auditory nerve, d. Eustachian tube
c
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008111
Hyperopia can be corrected with concave lenses.
a. true, b. false
b
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008112
The only function of the ears is to sense sound.
a. true, b. false
b
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008113
How many different tastes can taste buds detect?
a. 5, b. 10, c. 15, d. 1,000
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008114
Taste neurons on the tongue can detect thousands of different tastes.
a. true, b. false
b
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008115
What happens when sound waves strike the eardrum?
a. It vibrates, b. It sounds like a drum, c. It sends nerve impulses to the brain, d. none of the above
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008117
Sensory neurons in the nose sense chemicals in the air.
a. true, b. false
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008119
The sense of smell plays an important role in the sense of taste.
a. true, b. false
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008120
__structure in the inner ear that responds to vibrations by sending nerve impulses to the auditory nerve
a. retina, b. hyperopia, c. pupil, d. semicircular canal, e. taste bud, f. cochlea, g. myopia
f
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008123
__opening in the center of the eye that lets light pass through
a. retina, b. hyperopia, c. pupil, d. semicircular canal, e. taste bud, f. cochlea, g. myopia
c
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008125
__vision problem in which distant objects can be seen clearly but nearby objects appear blurry
a. retina, b. hyperopia, c. pupil, d. semicircular canal, e. taste bud, f. cochlea, g. myopia
b
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008126
__layer of cells at the back of the eye where images normally form
a. retina, b. hyperopia, c. pupil, d. semicircular canal, e. taste bud, f. cochlea, g. myopia
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008127
If you lost vision in one eye, you could still see in three dimensions.
a. true, b. false
b
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008128
When light reaches the eye, it passes first through the iris.
a. true, b. false
b
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008129
__vision problem in which nearby objects can be seen clearly but distant objects appear blurry
a. retina, b. hyperopia, c. pupil, d. semicircular canal, e. taste bud, f. cochlea, g. myopia
g
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008130
The middle ear contains the cochlea and semicircular canals.
a. true, b. false
b
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008131
__structure in the inner ear involved in maintaining balance
a. retina, b. hyperopia, c. pupil, d. semicircular canal, e. taste bud, f. cochlea, g. myopia
d
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008132
__bundle of sensory neurons on the tongue that sense chemicals in food
a. retina, b. hyperopia, c. pupil, d. semicircular canal, e. taste bud, f. cochlea, g. myopia
e
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008133
Nerve cells that sense touch are most numerous in the skin.
a. true, b. false
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008134
Rods are light-sensing cells in the eye that can sense dim light.
a. true, b. false
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008135
Why are human beings able to see in three dimensions?
a. We have two eyes that face the same direction but are a few inches apart, b. Both of our eyes focus on the same object but from slightly different angles, c. The brain uses images from the two eyes to determine the distance to the object, d. all of the above
d
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008136
When light from an object reaches the human eye, it passes first through the
a. pupil, b. cornea, c. lens, d. iris
b
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008137
Which statement about rods and cones in the human eye is false?
a. Rods and cones are special light-sensing cells in the lens, b. Rods and cones send nerve impulses to the optic nerve, c. Cones sense different colors of light and rods sense dim light, d. none of the above
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008138
Myopia
a. occurs when images focus in front of the retin, b. results when the eyeball is too short, c. can be corrected with convex lenses, d. all of the above
a
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008139
The middle ear
a. contains three tiny bones called ossicles, b. passes vibrations from the eardrum to the inner ear, c. amplifies vibrations as they pass through, d. all of the above
d
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008140
The human eye senses differences in the wavelengths of visible light as different
a. brightnesses, b. intensities, c. shapes, d. colors
d
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008141
Nerve cells that sense touch are found mainly in the
a. joints, b. muscles, c. heart, d. skin
d
Lesson: the senses Human Vision: The ability to see is called vision. It depends on both the eyes and the brain. The eyes sense light and form images. The brain interprets the images formed by the eyes and tells us what we are seeing. For a fascinating account of how the brain helps us see, watch this short video: . ...
NDQ_008149
All endocrine glands secrete hormones into
a. the bloodstream, b. local tissues, c. the digestive system, d. target cells
a
Lesson: the endocrine system What Is the Endocrine System: The endocrine system is a system of glands that release chemical messenger molecules into the blood stream. The messenger molecules are called hormones. Hormones act slowly compared with the rapid transmission of electrical impulses of the nervous system. Endo...
NDQ_008150
__messenger molecule released by an endocrine gland
a. hypothalamus, b. gonad, c. insulin, d. hormone, e. endocrine gland, f. prolactin, g. pituitary gland
d
Lesson: the endocrine system What Is the Endocrine System: The endocrine system is a system of glands that release chemical messenger molecules into the blood stream. The messenger molecules are called hormones. Hormones act slowly compared with the rapid transmission of electrical impulses of the nervous system. Endo...