Question 1

Which statement is correct for a secondary spermatocyte?

Accepted Answer

A)   It is haploid with unduplicated chromosomes.
B)   It is haploid with duplicated chromosomes.
C)   It is diploid with unduplicated chromosomes.
D)   It is diploid with duplicated chromosomes.

Question 2

Prostaglandins are found only in the semen.

Accepted Answer

A) True 
 B)False

Question 3

What directly controls spermatogenesis?

Accepted Answer

A)   LH
B)   FSH
C)   prostaglandins

Question 4

Indicate from what primitive reproductive tissue each structure in question differentiates by using the answer code (options may be used more than once or not at all) :
-clitoris

Accepted Answer

A)  genital tubercle
B)  urethral folds
C)  genital swellings
D)  Wolffian ducts
E)  Müllerian ducts

Question 5

Erection can occur only upon stimulation of the mechano receptors in the glans penis.

Accepted Answer

A) True 
 B)False

Question 6

An increase in the secretion of what initiates the beginning of the ovarian cycle?

Accepted Answer

A)   estrogen
B)   progesterone
C)   LH
D)   FSH

Question 7

Indicate which item best matches the description in each question by using the answer code (options may be used more than once or not at all) . There is only one correct response for each.
-organ of exchange between mother and fetus

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) ovarian follicleQ) ejaculationR) tail of spermS) Sertoli cellsT) endometriumU) placenta

Question 8

Indicate from what primitive reproductive tissue each structure in question differentiates by using the answer code (options may be used more than once or not at all) :
-labia minora

Accepted Answer

A)  genital tubercle
B)  urethral folds
C)  genital swellings
D)  Wolffian ducts
E)  Müllerian ducts

Question 9

Development and maintenance of the male body configuration results from the general protein anabolic effect of testosterone.

Accepted Answer

A) True 
 B)False

Question 10

During the secretory phase,if the corpus luteum secretes high levels of estrogen what are the levels of progesterone?

Accepted Answer

A)   high
B)   low
C)   coprus luteum does not secret estrogen.

Question 11

The acrosome is an enzyme-filled vesicle at the tip of the head of the spermatozoon that enables the sperm to penetrate the ovum.

Accepted Answer

A) True 
 B)False

Question 12

Indicate which item best matches the description in each question by using the answer code (options may be used more than once or not at all) . There is only one correct response for each.
-fills with glycogen and becomes richly vascularized under the influence of progesterone

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) ovarian follicleQ) ejaculationR) tail of spermS) Sertoli cellsT) endometriumU) placenta

Question 13

Indicate the chromosomal composition of each of the stages of developing sperm by using the answer code (options may be used more than once or not at all) :
-spermatozoan

Accepted Answer

A)  contains a full set of 23 pairs of chromosomes
B)  contains a full set of 23 pairs of doubled chromosomes
C)  contains a half set of doubled chromosomes
D)  contains a set of 23 single unpaired chromosomes

Question 14

What does NOT characterizes fertilization?

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

Question 15

Indicate from what primitive reproductive tissue each structure in question differentiates by using the answer code (options may be used more than once or not at all) :
-labia majora

Accepted Answer

A)  genital tubercle
B)  urethral folds
C)  genital swellings
D)  Wolffian ducts
E)  Müllerian ducts

Question 16

What is LH NOT responsible for?

Accepted Answer

A)   reinitiation of meiosis in the oocytes of developing follicles
B)   promoting estrogen synthesis by the follicular cells
C)   triggering ovulation

Question 17

The inner cell mass of the blastocyst is destined to become the fetus.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is NOT a component of the overall ejaculatory response?

Accepted Answer

A)   Arterioles supplying the penis dilate, causing the erectile tissue to fill with blood and the penis to become erect.
B)   The smooth muscles of the prostate, reproductive ducts, and seminal vesicles contract, resulting in emission.
C)   Semen is expelled from the penis by a series of rapid contractions of skeletal muscles at the base of the penis.
D)   Rhythmical contractions and accompanying systemic responses are associated with a pleasant sensation known as orgasm.

Question 19

An XX combination of sex chromosomes will always produce an anatomic female.

Accepted Answer

A) True 
 B)False

Question 20

One primary oocyte containing 46 chromosomes yields one ovum containing 46 chromosomes.

Accepted Answer

A) True 
 B)False

Exam 17: The Reproductive System

What directly controls spermatogenesis?

Correct AnswerverifiedShow Answer

Indicate which item best matches the description in each question by using the answer code (options may be used more than once or not at all) . There is only one correct response for each. -fills with glycogen and becomes richly vascularized under the influence of progesterone

Correct AnswerverifiedShow Answer

Erection can occur only upon stimulation of the mechano receptors in the glans penis.

Correct AnswerverifiedShow Answer

An increase in the secretion of what initiates the beginning of the ovarian cycle?

Correct AnswerverifiedShow Answer

During the secretory phase,if the corpus luteum secretes high levels of estrogen what are the levels of progesterone?

Correct AnswerverifiedShow Answer

Development and maintenance of the male body configuration results from the general protein anabolic effect of testosterone.

Correct AnswerverifiedShow Answer

Which statement is correct for a secondary spermatocyte?

Correct AnswerverifiedShow Answer

The inner cell mass of the blastocyst is destined to become the fetus.

Correct AnswerverifiedShow Answer

Indicate the chromosomal composition of each of the stages of developing sperm by using the answer code (options may be used more than once or not at all) : -spermatozoan

Correct AnswerverifiedShow Answer

Prostaglandins are found only in the semen.

Correct AnswerverifiedShow Answer

Indicate from what primitive reproductive tissue each structure in question differentiates by using the answer code (options may be used more than once or not at all) : -labia majora

Correct AnswerverifiedShow Answer

What is LH NOT responsible for?

Correct AnswerverifiedShow Answer

Indicate which item best matches the description in each question by using the answer code (options may be used more than once or not at all) . There is only one correct response for each. -organ of exchange between mother and fetus

Correct AnswerverifiedShow Answer

Indicate from what primitive reproductive tissue each structure in question differentiates by using the answer code (options may be used more than once or not at all) : -labia minora

Correct AnswerverifiedShow Answer

An XX combination of sex chromosomes will always produce an anatomic female.

Correct AnswerverifiedShow Answer

What does NOT characterizes fertilization?

Correct AnswerverifiedShow Answer

Indicate from what primitive reproductive tissue each structure in question differentiates by using the answer code (options may be used more than once or not at all) : -clitoris

Correct AnswerverifiedShow Answer

One primary oocyte containing 46 chromosomes yields one ovum containing 46 chromosomes.

Correct AnswerverifiedShow Answer

The acrosome is an enzyme-filled vesicle at the tip of the head of the spermatozoon that enables the sperm to penetrate the ovum.

Correct AnswerverifiedShow Answer

Which of the following is NOT a component of the overall ejaculatory response?

Correct AnswerverifiedShow Answer

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