Question 1

During the first half of the human ovarian cycle

Accepted Answer

A)   follicle-stimulating hormone (FSH)  promotes the development of estrogen-secreting follicles.
B)   luteinizing hormone (LH)  promotes the development of a progesterone-secreting corpus luteum.
C)   the corpus luteum reaches its maximum size and progesterone output then shrinks.
D)   there are high levels of both estrogen and progesterone.
E)   ovulation occurs on each consecutive day.F) None of the above
G) C) and D)

Question 2

The inner lining of the uterus is the

Accepted Answer

A)   cervix.
B)   endometrium.
C)   placenta.
D)   fimbria.
E)   chorion.F) A) and C)
G) All of the above

Question 3

Which of these serves as the female organ of copulation and as the birth canal?

Accepted Answer

A)   uterus
B)   oviduct
C)   ovary
D)   vagina
E)   urethraF) A) and E)
G) A) and B)

Question 4

The male gonad is the _____,and the female gonad is the _____.

Accepted Answer

A)   ovary; testis
B)   vagina; penis
C)   testis; uterus
D)   testis; ovary
E)   penis; vaginaF) D) and E)
G) C) and D)

Question 5

The hollow,fluid-filled ball of cells that develops from the morula is the

Accepted Answer

A)   neurula.
B)   zygote.
C)   somite.
D)   blastocyst.
E)   gastrula.F) B) and E)
G) All of the above

Question 6

Which of the listed embryonic stages is the earliest?

Accepted Answer

A)   gastrula
B)   blastocyst
C)   neurula
D)   morula
E)   8-cell stageF) None of the above
G) B) and E)

Question 7

In which stage do the three germ layers form?

Accepted Answer

A)   gastrula
B)   blastocyst
C)   neurula
D)   morula
E)   8-cell stageF) A) and E)
G) B) and C)

Question 8

Unfertilized eggs of female Komodo dragons may develop to produce a young Komodo dragon.This is an example of

Accepted Answer

A)   parturition.
B)   assisted reproduction.
C)   parthenogenesis.
D)   abiogenesis.
E)   copulation.F) D) and E)
G) A) and E)

Question 9

Which of the following mammalian structures is derived from one of the extraembryonic membranes?

Accepted Answer

A)   placenta
B)   uterus
C)   ovary
D)   cervix
E)   labiaF) A) and B)
G) A) and C)

Question 10

If you could mark the ectoderm of a mouse embryo so that all tissues and organs descended from ectoderm were easily identifiable,where would you expect to find the marker?

Accepted Answer

A)   skeletal muscles and dermis
B)   cardiovascular and reproductive systems
C)   nervous system and epidermis
D)   lining of the digestive and respiratory tracts
E)   urinary bladder and its liningF) A) and E)
G) A) and D)

Question 11

Which of these is mismatched?

Accepted Answer

A)   ovulation - luteinizing hormone (LH)  peaks
B)   menstruation - follicle-stimulating hormone (FSH)  peaks
C)   secretory phase - progesterone peaks
D)   menstruation - progesterone declines
E)   proliferative phase - estrogen levels riseF) A) and B)
G) A) and C)

Question 12

If a man has such severe infertility that his sperm are incapable of penetrating an oocyte and achieving fertilization,then the best assisted reproductive technology for him and his partner would be

Accepted Answer

A)   IVF.
B)   AID.
C)   GIFT.
D)   ICSI.
E)   E.IUD.F) B) and D)
G) A) and D)

Question 13

Which of these correctly traces the path of a sperm from its origin to the point at which it leaves the male reproductive tract?

Accepted Answer

A)   testis →\rarr→ epididymis →\rarr→ vas deferens →\rarr→ ejaculatory duct →\rarr→ urethra
B)   epididymis →\rarr→ vas deferens →\rarr→ testis →\rarr→ urethra →\rarr→ ejaculatory duct
C)   testis →\rarr→ epididymis →\rarr→ vas deferens →\rarr→ urethra →\rarr→ ejaculatory duct
D)   vas deferens →\rarr→ epididymis →\rarr→ testis →\rarr→ ejaculatory duct →\rarr→ urethra
E)   testis →\rarr→ vas deferens →\rarr→ epididymis →\rarr→ ejaculatory duct →\rarr→ urethra F) B) and D)
G) B) and E)

Question 14

The brain and spinal cord develop from the

Accepted Answer

A)   endoderm.
B)   neural tube.
C)   notochord.
D)   neural crest.
E)   somites.F) A) and B)
G) A) and C)

Question 15

Which of these cells is haploid (n) ?

Accepted Answer

A)   zygote
B)   oogonium
C)   spermatogonium
D)   primary spermatocyte
E)   secondary oocyteF) All of the above
G) A) and D)

Question 16

In the figure shown here,which of the following is the bulbourethral gland?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) B) and E)
G) A) and B)

Question 17

This birth control device consists of a small piece of plastic that is inserted into the uterus by a health care provider.

Accepted Answer

A)   cervical cap
B)   IUD
C)   diaphragm
D)   female condom
E)   vaginal spongeF) A) and E)
G) B) and E)

Question 18

Which one adaptation was most important in enabling animals to reproduce on land?

Accepted Answer

A)   penis
B)   shelled egg with extraembryonic membranes
C)   placenta
D)   gametes
E)   copulationF) None of the above
G) B) and C)

Exam 29: Reproduction and Embryonic Development

Which of the following mammalian structures is derived from one of the extraembryonic membranes?

Correct Answer
verified

Which of these is mismatched?

Correct Answer
verified

Which of these cells is haploid (n) ?

Correct Answer
verified

Which of the listed embryonic stages is the earliest?

Correct Answer
verified

During the first half of the human ovarian cycle

Correct Answer
verified

Which one adaptation was most important in enabling animals to reproduce on land?

Correct Answer
verified

This birth control device consists of a small piece of plastic that is inserted into the uterus by a health care provider.

Correct Answer
verified

In the figure shown here,which of the following is the bulbourethral gland?

Correct Answer
verified

Unfertilized eggs of female Komodo dragons may develop to produce a young Komodo dragon.This is an example of

Correct Answer
verified

The male gonad is the _,and the female gonad is the _.

Correct Answer
verified

The inner lining of the uterus is the

Correct Answer
verified

The brain and spinal cord develop from the

Correct Answer
verified

The hollow,fluid-filled ball of cells that develops from the morula is the

Correct Answer
verified

If a man has such severe infertility that his sperm are incapable of penetrating an oocyte and achieving fertilization,then the best assisted reproductive technology for him and his partner would be

Correct Answer
verified

If you could mark the ectoderm of a mouse embryo so that all tissues and organs descended from ectoderm were easily identifiable,where would you expect to find the marker?

Correct Answer
verified

In which stage do the three germ layers form?

Correct Answer
verified

Which of these correctly traces the path of a sperm from its origin to the point at which it leaves the male reproductive tract?

Correct Answer
verified

Which of these serves as the female organ of copulation and as the birth canal?

Correct Answer
verified

Exam 29: Reproduction and Embryonic Development

Which of the following mammalian structures is derived from one of the extraembryonic membranes?

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

Which of these cells is haploid (n) ?

Correct AnswerverifiedShow Answer

Which of the listed embryonic stages is the earliest?

Correct AnswerverifiedShow Answer

During the first half of the human ovarian cycle

Correct AnswerverifiedShow Answer

Which one adaptation was most important in enabling animals to reproduce on land?

Correct AnswerverifiedShow Answer

This birth control device consists of a small piece of plastic that is inserted into the uterus by a health care provider.

Correct AnswerverifiedShow Answer

In the figure shown here,which of the following is the bulbourethral gland?

Correct AnswerverifiedShow Answer

Unfertilized eggs of female Komodo dragons may develop to produce a young Komodo dragon.This is an example of

Correct AnswerverifiedShow Answer

The male gonad is the _____,and the female gonad is the _____.

Correct AnswerverifiedShow Answer

The inner lining of the uterus is the

Correct AnswerverifiedShow Answer

The brain and spinal cord develop from the

Correct AnswerverifiedShow Answer

The hollow,fluid-filled ball of cells that develops from the morula is the

Correct AnswerverifiedShow Answer

If a man has such severe infertility that his sperm are incapable of penetrating an oocyte and achieving fertilization,then the best assisted reproductive technology for him and his partner would be

Correct AnswerverifiedShow Answer

If you could mark the ectoderm of a mouse embryo so that all tissues and organs descended from ectoderm were easily identifiable,where would you expect to find the marker?

Correct AnswerverifiedShow Answer

In which stage do the three germ layers form?

Correct AnswerverifiedShow Answer

Which of these correctly traces the path of a sperm from its origin to the point at which it leaves the male reproductive tract?

Correct AnswerverifiedShow Answer

Which of these serves as the female organ of copulation and as the birth canal?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The male gonad is the _,and the female gonad is the _.

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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