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NDQ_008380 | How many sperm does the average adult male produce each day? | a. about ten, b. several dozen, c. a few hundred, d. millions | d | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008381 | Sperm cells leave the body through the | a. ureter, b. vas deferens, c. epididymis, d. urethra | d | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008382 | The scrotum contains the | a. testes, b. epididymis, c. prostate gland, d. two of the above | d | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008383 | The acrosome of a sperm | a. is at the end of the tail, b. contains enzymes, c. makes the tail move, d. two of the above | b | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008384 | For sperm to form and mature, it takes up to two | a. days, b. weeks, c. months, d. years | c | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008385 | The reproductive system is the only human body system that differs significantly between males and | a. true, b. false | a | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008386 | Both mitosis and meiosis are involved in the production of sperm. | a. true, b. false | a | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008387 | Testosterone causes the voice to deepen when a male goes through puberty. | a. true, b. false | a | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008388 | The only external male reproductive organ is the penis. | a. true, b. false | b | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008389 | Testosterone is a hormone secreted by the prostate gland. | a. true, b. false | b | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008390 | Sperm are stored in the vas deferens until they leave the body. | a. true, b. false | b | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008391 | A teaspoon of semen may contain as many as half a billion sperm. | a. true, b. false | a | Lesson: male reproductive system
Functions of the Male Reproductive System:
The male reproductive system has two main functions: producing sperm and releasing testosterone. Sperm are male gametes, or reproductive cells. Sperm form when certain cells in the male reproductive system divide by meiosis to form haploid cel... |
NDQ_008392 | Fertilization of an egg normally takes place while the egg is in the | a. vagin, b. uterus, c. cervix, d. fallopian tube | d | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008393 | __structure where fertilization of an egg normally occurs | a. estrogen, b. uterus, c. cervix, d. vagina, e. egg, f. fallopian tube, g. ovary | f | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008394 | __cylinder-shaped organ through which a baby passes during birth | a. estrogen, b. uterus, c. cervix, d. vagina, e. egg, f. fallopian tube, g. ovary | d | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008395 | Which statement about human eggs is false? | a. Eggs are haploid gametes, b. Eggs are the largest human cells, c. There are billions of eggs in each ovary at birth, d. none of the above | c | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008396 | Which statement about the human uterus is false? | a. It is a hollow organ, b. It has thick, muscular walls, c. It has just one opening, called the cervix, d. It can stretch to accommodate a growing baby | c | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008397 | __one of a pair of organs that produce and release eggs | a. estrogen, b. uterus, c. cervix, d. vagina, e. egg, f. fallopian tube, g. ovary | g | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008398 | __organ where a fetus develops and grows until birth | a. estrogen, b. uterus, c. cervix, d. vagina, e. egg, f. fallopian tube, g. ovary | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008399 | Which of the following organs opens directly to the surface of the body? | a. ovary, b. fallopian tube, c. vagina, d. uterus | c | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008400 | __female gamete | a. estrogen, b. uterus, c. cervix, d. vagina, e. egg, f. fallopian tube, g. ovary | e | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008401 | The structure in which an egg develops inside an ovary is called a | a. fimbri, b. follicle, c. fallopian tube, d. none of the above | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008403 | __small opening that connects the uterus to the vagina | a. estrogen, b. uterus, c. cervix, d. vagina, e. egg, f. fallopian tube, g. ovary | c | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008405 | __main female sex hormone | a. estrogen, b. uterus, c. cervix, d. vagina, e. egg, f. fallopian tube, g. ovary | a | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008413 | Estrogen causes the changes of puberty in females. | a. true, b. false | a | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008414 | Following puberty, an egg is released by each ovary about once a week. | a. true, b. false | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008416 | Estrogen is secreted by female gonads. | a. true, b. false | a | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008419 | To fertilize an egg, sperm must swim from the vagina to an ovary. | a. true, b. false | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008420 | The menstrual cycle is also called a menstrual period. | a. true, b. false | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008421 | The main female reproductive organs are inside the body. | a. true, b. false | a | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008422 | The male and female reproductive systems have identical functions. | a. true, b. false | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008423 | Estrogen is needed for an adult woman to release eggs from the ovaries. | a. true, b. false | a | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008424 | The ovaries make eggs only after a female has gone through puberty. | a. true, b. false | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008425 | The upper end of each fallopian tube is attached to an ovary. | a. true, b. false | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008426 | An egg completes meiosis just before it leaves the ovary. | a. true, b. false | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008427 | While an egg is developing in a follicle, the lining of the uterus breaks down and passes out of the | a. true, b. false | b | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008428 | When a girl is born, how many eggs does each of her ovaries normally contain? | a. none, b. a few, c. about a hundred, d. thousands | d | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008429 | Which female reproductive structure secretes estrogen? | a. uterus, b. vagina, c. ovary, d. cervix | c | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008430 | An egg reaches the uterus through | a. a fallopian tube, b. the vagina, c. the cervix, d. none of the above | a | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008431 | The walls of the uterus | a. can stretch, b. are muscular, c. push out a baby during birth, d. all of the above | d | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008432 | For fertilization to take place, sperm generally must be deposited in the | a. ovary, b. fimbria, c. uterus, d. vagina | d | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008433 | A human egg cell | a. contains very little cytoplasm, b. is a diploid cell, c. lacks a tail, d. two of the above | c | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008434 | The changes of the menstrual cycle take place in the | a. ovaries, b. uterus, c. labium, d. two of the above | d | Lesson: female reproductive system
Functions of the Female Reproductive System:
Two functions of the female reproductive system are similar to the functions of the male reproductive system: producing gametes and secreting a major sex hormone. In the case of females, however, the gametes are eggs, and they are produced... |
NDQ_008435 | The layer of a blastocyst that develops into the placenta is the | a. embryoblast, b. blastoblast, c. trophoblast, d. photoblast | c | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008436 | What happens when a sperm penetrates the cell membrane of an egg? | a. The egg completes meiosis, b. The sperms tail falls off, c. The nuclei of sperm and egg fuse, d. all of the above | d | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008437 | After fertilization occurs, how long does it normally take for the blastocyst to reach the uterus and implant in the uterine lining? | a. about an hour, b. about a day, c. about a week, d. about a month | c | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008438 | By the end of the embryonic stage, the embryo is about | a. 1 inch long, b. 6 inches long, c. 1 foot long, d. 1.5 feet long | a | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008439 | During which stage of development do most organs start to form? | a. blastocyst, b. embryo, c. fetus, d. infancy | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008440 | Which of these events occurs during the embryonic stage? | a. The eyelids form, b. The heart begins to beat, c. Tooth buds appear, d. all of the above | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008441 | Which of the following changes does not occur during the fetal stage? | a. The blood starts to circulate, b. The brain becomes active, c. Alveoli form in the lungs, d. Muscles develop | a | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008442 | About how much does a 38-week fetus weigh? | a. 12 pounds, b. 35 pounds, c. 610 pounds, d. 1116 pounds | c | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008443 | At about how many weeks after fertilization does birth typically occur? | a. 16, b. 24, c. 32, d. 38 | d | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008444 | The placenta allows the maternal and fetal blood to | a. mix together, b. come close together, c. exchange substances, d. two of the above | d | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008446 | During infancy, which of these developments generally occurs first ? | a. sitting, b. babbling, c. crawling, d. smiling | d | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008448 | During which of the following life stages is growth in height and weight usually most rapid? | a. infancy, b. early childhood, c. middle childhood, d. late childhood | a | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008456 | A babys first teeth start coming in at about 12 months of age. | a. true, b. false | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008457 | Toddlers grow more rapidly than infants. | a. true, b. false | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008459 | Puberty occurs at the same age in all children. | a. true, b. false | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008462 | A boys voice deepens at puberty as his larynx grows bigger. | a. true, b. false | a | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008463 | People generally start showing signs of aging in middle adulthood. | a. true, b. false | a | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008464 | A zygote has the haploid number of chromosomes. | a. true, b. false | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008465 | As soon as a zygote starts to divide, it is called an embryo. | a. true, b. false | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008466 | Most organs start to form during the embryonic stage. | a. true, b. false | a | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008467 | The fetal period typically lasts about 30 weeks. | a. true, b. false | a | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008468 | The purpose of the placenta is to cushion the fetus and protect it from injury. | a. true, b. false | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008469 | The umbilical cord is cut only after the baby starts to breathe on its own. | a. true, b. false | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008470 | Puberty generally occurs at an earlier age in girls than in boys. | a. true, b. false | a | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008471 | __process in which a blastocyst embeds in the uterine lining | a. placenta, b. blastocyst, c. amniotic sac, d. zygote, e. trophoblast, f. implantation, g. umbilical cord | f | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008472 | __fluid-filled membrane that surrounds and protects a fetus | a. placenta, b. blastocyst, c. amniotic sac, d. zygote, e. trophoblast, f. implantation, g. umbilical cord | c | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008473 | __fluid-filled ball of cells that forms soon after fertilization occurs | a. placenta, b. blastocyst, c. amniotic sac, d. zygote, e. trophoblast, f. implantation, g. umbilical cord | b | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008474 | __cell layer in the blastocyst that will develop into the placenta | a. placenta, b. blastocyst, c. amniotic sac, d. zygote, e. trophoblast, f. implantation, g. umbilical cord | e | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008475 | __tube containing blood vessels that connects a fetus to the placenta | a. placenta, b. blastocyst, c. amniotic sac, d. zygote, e. trophoblast, f. implantation, g. umbilical cord | g | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008476 | __cell that results when a sperm fertilizes an egg | a. placenta, b. blastocyst, c. amniotic sac, d. zygote, e. trophoblast, f. implantation, g. umbilical cord | d | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008477 | __temporary organ consisting of blood vessels from both the mother and fetus | a. placenta, b. blastocyst, c. amniotic sac, d. zygote, e. trophoblast, f. implantation, g. umbilical cord | a | Lesson: reproduction and life stages
From Fertilization to Birth:
When a sperm penetrates the cell membrane of an egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains the dipl... |
NDQ_008478 | Which STI cannot be cured with antibiotics? | a. gonorrhea, b. genital herpes, c. syphilis, d. chlamydia | b | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008479 | __serious condition that may occur if tampons are not changed often | a. chlamydia, b. STI, c. genital warts, d. HPV, e. AIDS, f. toxic shock syndrome, g. HIV | f | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008480 | __any sexually transmitted infection | a. chlamydia, b. STI, c. genital warts, d. HPV, e. AIDS, f. toxic shock syndrome, g. HIV | b | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008481 | Most females should start regular breast cancer screening at about age | a. 10 years, b. 20 years, c. 30 years, d. 40 years | d | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008482 | Which age group has the greatest risk of cancer of the testes? | a. below age 15 years, b. between ages 15 and 35 years, c. between ages 35 and 50 years, d. older than age 50 years | b | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008483 | __virus that causes genital warts | a. chlamydia, b. STI, c. genital warts, d. HPV, e. AIDS, f. toxic shock syndrome, g. HIV | d | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008484 | __virus that may cause AIDS | a. chlamydia, b. STI, c. genital warts, d. HPV, e. AIDS, f. toxic shock syndrome, g. HIV | g | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008485 | Ways STIs may spread include | a. exposure to contaminated blood, b. childbirth, c. sexual contact, d. all of the above | d | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008486 | __viral STI that can be prevented with a vaccine | a. chlamydia, b. STI, c. genital warts, d. HPV, e. AIDS, f. toxic shock syndrome, g. HIV | c | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008487 | Which STI can be prevented with a vaccine? | a. genital herpes, b. AIDS, c. syphilis, d. genital warts | d | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008489 | __disease that may develop in someone infected with HIV | a. chlamydia, b. STI, c. genital warts, d. HPV, e. AIDS, f. toxic shock syndrome, g. HIV | e | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008491 | __most common bacterial STI in the U.S. | a. chlamydia, b. STI, c. genital warts, d. HPV, e. AIDS, f. toxic shock syndrome, g. HIV | a | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008499 | An STI is any medical problem that affects the reproductive organs. | a. true, b. false | b | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008500 | STIs always cause symptoms. | a. true, b. false | b | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008502 | STIs are most common in teens and young adults. | a. true, b. false | a | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008505 | HIV destroys lymphocytes that normally fight infections. | a. true, b. false | a | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008506 | It is normal to have abdominal cramps during menstruation. | a. true, b. false | a | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008507 | Many STIs can spread through body fluids such as blood. | a. true, b. false | a | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008508 | A person with just one sexual partner cannot get STIs by sexual contact. | a. true, b. false | b | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008509 | Untreated STIs may lead to the inability to have children. | a. true, b. false | a | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008510 | Viral STIs usually last for life. | a. true, b. false | a | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008511 | AIDS is diagnosed in anyone who has an HIV infection. | a. true, b. false | b | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008512 | Injuries to the testes are very rare. | a. true, b. false | b | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008513 | Ovarian cysts are usually harmless. | a. true, b. false | a | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008514 | In which of the following age groups are STIs most common? | a. preteens, b. teens and young adults, c. middle-aged adults, d. elderly adults | b | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
NDQ_008515 | What causes STIs? | a. pathogens, b. injuries, c. environmental toxins, d. two of the above | a | Lesson: reproductive system health
Sexually Transmitted Infections:
A sexually transmitted infection (STI) is a disease that spreads mainly through sexual contact. STIs are caused by pathogens that enter the body through the reproductive organs. Many STIs also spread through body fluids such as blood. For example, a s... |
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