Question 1

The normal sequence of developmental stages is

Accepted Answer

A)   blastocyst--morula--zygote--embryo--fetus.
B)   blastocyst--zygote--embryo--morula--fetus.
C)   morula--fetus--embryo--blastocyst--zygote.
D)   morula--zygote--fetus--blastocyst--embryo.
E)   zygote--morula--blastocyst--embryo--fetus.F) C) and E)
G) B) and E)

Question 2

The myometrium is composed primarily of smooth muscle that thickens under the influence of estrogen.

Accepted Answer

A) True 
 B)False

Question 3

The prostate gland

Accepted Answer

A)   secretes an alkaline solution that neutralizes the acidic vaginal secretions.
B)   secretes mucus for lubrication.
C)   provides a site for final maturation for fertility and motility for the spermatozoa.
D)   contains portions of the ductus deferens.
E)   supplies fructose utilized by the sperm for energy.F) A) and B)
G) A) and C)

Question 4

The release of GnRH inhibits the secretion of FSH.

Accepted Answer

A) True 
 B)False

Question 5

Fertilization is characterized by

Accepted Answer

A)   a sperm's fertilin proteins binding to the ovum's integrin molecules.
B)   a block to polyspermy.
C)   multiple sperms penetrating the ovum.
D)   blastocyst formation.
E)   both (a)  and (b)  above.F) None of the above
G) A) and E)

Question 6

During the follicular phase, the ovary secretes ____ levels of estrogen and ____ levels of progesterone.

Accepted Answer

A)   high, high
B)   high, low
C)   low, high
D)   low, lowE) B) and D)
F) B) and C)

Question 7

Progesterone

Accepted Answer

A)   exerts a strong inhibitory influence on the uterine musculature.
B)   is responsible for the development and maintenance of female secondary sex characteristics.
C)   promotes duct development in the breasts.
D)   both (a)  and (c)  above.
E)   all of these answers.F) A) and B)
G) A) and C)

Question 8

In both sexes, the reproductive changes that take place during puberty include all of the following except:

Accepted Answer

A)   maturation of gonads
B)   development of secondary sex characteristics
C)   fertility
D)   growth of reproductive tract
E)   development of muscle and loss of fatF) A) and B)
G) A) and C)

Question 9

Indicate which item in the following answer code best matches the description in each question by writing the appropriate letter in the blank. There is only one correct answer per question. Each answer may be used more than once. Some answers may not be used at all.
-Secretes prostaglandins into semen.

Accepted Answer

A)  erection
B)  acrosome
C)  Leydig cells
D)  seminal vesicles
E)  oviductF) uterusG) inner cell massH) seminiferous tubulesI) midpiece of spermJ) head of spermK) vaginaL) prostate glandM) trophoblastN) corpus luteumO) epididymisP) ovariesQ) ejaculationR) tail of spermS) Sertoli cellsT) endometriumU) placentaV) L) and Q)
W) M) and S)

Question 10

CRH is important because

Accepted Answer

A)   it induces fetal cortisol production.
B)   it results in fetal lung development.
C)   it causes uterine contractions.
D)   both (a)  and (b)  above.
E)   both (a)  and (c)  above.F) B) and C)
G) C) and D)

Question 11

Which of the following is not thought to play a role in labor?

Accepted Answer

A)   prolactin
B)   CRH
C)   inflammation
D)   fetal surfactant
E)   NF-?BF) A) and E)
G) B) and D)

Question 12

Which value related to semen production is correct?

Accepted Answer

A)   average volume ejaculated is 1 ml
B)   total sperm count averages about 100 million
C)   maximal sperm count is about 400 million
D)   semen contains only sperm
E)   none of the aboveF) A) and D)
G) B) and E)

Question 13

Indicate which item in the following answer code best matches the description in each question by writing the appropriate letter in the blank. There is only one correct answer per question. Each answer may be used more than once. Some answers may not be used at all.
-Uses fetal DHEA to synthesize estrogen.

Accepted Answer

A)  erection
B)  acrosome
C)  Leydig cells
D)  seminal vesicles
E)  oviductF) uterusG) inner cell massH) seminiferous tubulesI) midpiece of spermJ) head of spermK) vaginaL) prostate glandM) trophoblastN) corpus luteumO) epididymisP) ovariesQ) ejaculationR) tail of spermS) Sertoli cellsT) endometriumU) placentaV) K) and S)
W) G) and Q)

Question 14

The following series of 10 questions refer to the accompanying diagram of the uterine-ovarian-hormonal cycle. 
-Which stage of estrogen secretion is under FSH control?

Accepted Answer

A)   3
B)   8
C)   11
D)   14E) A) and B)
F) A) and C)

Question 15

FSH stimulates the _______ cells to convert androgen into estrogen

Accepted Answer

The answer of FSH stimulates the _______ cells to convert...

Question 16

During spermatogenesis, one spermatogonium containing

Accepted Answer

A)   46 chromosomes yields 16 spermatozoa, each containing 23 chromosomes.
B)   46 chromosomes yields 1 spermatozoon containing 23 chromosomes and a polar body containing the other 23 chromosomes.
C)   46 chromosomes yields 2 spermatozoa, each containing 23 chromosomes.
D)   46 chromosomes yields 1 spermatozoon containing 46 chromosomes.
E)   23 chromosomes yields 1 spermatozoon containing 23 chromosomes.F) B) and C)
G) C) and E)

Question 17

The sperm's genetic information is located in the head of the sperm.

Accepted Answer

A) True 
 B)False

Question 18

Spermatogenesis

Accepted Answer

A)   occurs in the interstitial cells
B)   begins with the primary spermatocyte
C)   is controlled by both testosterone and FSH.
D)   is controlled by both testosterone and LH
E)   occurs are a slower rate than oogenesisF) D) and E)
G) C) and D)

Question 19

At puberty, the hypothalamus becomes more sensitive to feedback inhibition by testosterone.

Accepted Answer

A) True 
 B)False

Question 20

Implantation normally occurs

Accepted Answer

A)   in the oviduct.
B)   about 3 days after fertilization.
C)   during the secretory, or progestational, phase.
D)   both (b)  and (c)  above.
E)   all of these answers.F) C) and E)
G) A) and B)

Exam 18: The Reproductive System

In both sexes, the reproductive changes that take place during puberty include all of the following except:

Correct Answer
verified

Which of the following is not thought to play a role in labor?

Correct Answer
verified

The prostate gland

Correct Answer
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FSH stimulates the _______ cells to convert androgen into estrogen

Correct Answer
verified

The myometrium is composed primarily of smooth muscle that thickens under the influence of estrogen.

Correct Answer
verified

During spermatogenesis, one spermatogonium containing

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Implantation normally occurs

Correct Answer
verified

At puberty, the hypothalamus becomes more sensitive to feedback inhibition by testosterone.

Correct Answer
verified

The sperm's genetic information is located in the head of the sperm.

Correct Answer
verified

Fertilization is characterized by

Correct Answer
verified

The release of GnRH inhibits the secretion of FSH.

Correct Answer
verified

CRH is important because

Correct Answer
verified

Which value related to semen production is correct?

Correct Answer
verified

Spermatogenesis

Correct Answer
verified

The normal sequence of developmental stages is

Correct Answer
verified

Progesterone

Correct Answer
verified

During the follicular phase, the ovary secretes levels of estrogen and levels of progesterone.

Correct Answer
verified

The following series of 10 questions refer to the accompanying diagram of the uterine-ovarian-hormonal cycle. -Which stage of estrogen secretion is under FSH control?

Correct Answer
verified

Exam 18: The Reproductive System

In both sexes, the reproductive changes that take place during puberty include all of the following except:

Correct AnswerverifiedShow Answer

Which of the following is not thought to play a role in labor?

Correct AnswerverifiedShow Answer

The prostate gland

Correct AnswerverifiedShow Answer

FSH stimulates the _______ cells to convert androgen into estrogen

Correct AnswerverifiedShow Answer

The myometrium is composed primarily of smooth muscle that thickens under the influence of estrogen.

Correct AnswerverifiedShow Answer

During spermatogenesis, one spermatogonium containing

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Implantation normally occurs

Correct AnswerverifiedShow Answer

At puberty, the hypothalamus becomes more sensitive to feedback inhibition by testosterone.

Correct AnswerverifiedShow Answer

The sperm's genetic information is located in the head of the sperm.

Correct AnswerverifiedShow Answer

Fertilization is characterized by

Correct AnswerverifiedShow Answer

The release of GnRH inhibits the secretion of FSH.

Correct AnswerverifiedShow Answer

CRH is important because

Correct AnswerverifiedShow Answer

Which value related to semen production is correct?

Correct AnswerverifiedShow Answer

Spermatogenesis

Correct AnswerverifiedShow Answer

The normal sequence of developmental stages is

Correct AnswerverifiedShow Answer

Progesterone

Correct AnswerverifiedShow Answer

During the follicular phase, the ovary secretes ____ levels of estrogen and ____ levels of progesterone.

Correct AnswerverifiedShow Answer

The following series of 10 questions refer to the accompanying diagram of the uterine-ovarian-hormonal cycle. -Which stage of estrogen secretion is under FSH control?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
verified

During the follicular phase, the ovary secretes levels of estrogen and levels of progesterone.

Correct Answer
verified

Correct Answer
verified