Question 1

Which hormone is absolutely necessary for ovulation to occur?

Accepted Answer

A)  LH
B)  progesterone
C)  FSH
D)  estrogenE) C) and D)
F) A) and C)

Question 2

Which male hormone inhibits the secretion of FSH?

Accepted Answer

A)  inhibin
B)  testosterone
C)  ACTH
D)  ICSHE) A) and B)
F) A) and C)

Question 3

The plexus of testicular veins assists in cooling the testis.

Accepted Answer

The answer of The plexus of testicular veins assists in...

Question 4

The dartos and cremaster muscles are important to the integrity of the male reproductive system.Which of the following is true about the role they play?

Accepted Answer

A)  They contract to push sperm along the ductus deferens.
B)  They contract to allow ejaculation.
C)  They are responsible for penile erection.
D)  They regulate the temperature of the testes.E) A) and D)
F) C) and D)

Question 5

Select the correct statement about testosterone control.

Accepted Answer

A)  Inhibin and testosterone exert positive feedback on the hypothalamus and pituitary.
B)  The pineal gland is believed to be the gland that exerts the most influence in testosterone control.
C)  GnRH from the hypothalamus causes FSH and LH release from the anterior pituitary.
D)  FSH stimulates testicular production of testosterone.E) A) and C)
F) B) and C)

Question 6

The midpiece of the sperm tail contains mostly .

Accepted Answer

The answer of The midpiece of the sperm tail contains...

Question 7

Which of the choices below is not a function of testosterone?

Accepted Answer

A)  stimulates the male pattern of development
B)  stimulates mammary gland development
C)  contributes to male sexual behavior and spermatogenesis
D)  stimulates protein synthesisE) C) and D)
F) None of the above

Question 8

All of the following can be considered male secondary sex characteristics except the .

Accepted Answer

A)  development of testes as opposed to ovaries
B)  lowering of the voice
C)  development of body hair
D)  increasing mass of the skeletonE) C) and D)
F) All of the above

Question 9

Which of the following statements about spermatogenesis is not true?

Accepted Answer

A)  The spermatogonium forms the primary spermatocyte.
B)  The secondary spermatocytes each form two spermatids.
C)  Each spermatid forms two sperm.
D)  The primary spermatocyte forms two secondary spermatocytes.E) B) and D)
F) A) and B)

Question 10

Select the correct statement about the uterine cycle.

Accepted Answer

A)  During the secretory phase,estrogen levels are at their highest.
B)  During the proliferative phase,levels of progesterone rise as the follicle begins to produce more hormone.
C)  If fertilization occurs,the corpus luteum is maintained by a hormone secreted by the developing embryo.
D)  The menstrual phase of the cycle is from day 1 to day 8.E) None of the above
F) B) and D)

Question 11

Characteristics of the mature sperm include the .

Accepted Answer

A)  absence of an acrosome
B)  absence of coiled mitochondria
C)  presence of Y chromosomes in approximately half the sperm
D)  presence of two X chromosomes in approximately half the spermE) A) and B)
F) None of the above

Question 12

Which of the following phases or processes in the monthly reproductive cycle of the female occur simultaneously?

Accepted Answer

A)  maximal LH secretion and menstruation
B)  regression of the corpus luteum and a decrease in ovarian progesterone secretion
C)  maximal steroid secretion by the corpus luteum and menstruation
D)  early follicular development and the secretory phase in the uterusE) C) and D)
F) B) and C)

Question 13

A low secretion of luteinizing hormone LH) in the normal male adult would cause .

Accepted Answer

A)  decreased testosterone secretion
B)  excessive beard growth
C)  shrinkage of the anterior pituitary gland
D)  increased spermatogenesisE) A) and B)
F) B) and D)

Question 14

What is the physiological importance of the fact that the male testes descend to reside in the scrotal sac?

Accepted Answer

The male testes descend into the scrotal...

Question 15

The brain- testicular axis .

Accepted Answer

A)  involves posterior pituitary release of regulating hormones
B)  involves a positive feedback loop control of spermatogenesis
C)  involves FSH and LH release
D)  is the tight relationship between the cortex and the control of testicular functionE) C) and D)
F) A) and B)

Question 16

The portion of the uterine endometrium that is not sloughed off every month is called the
.

Accepted Answer

The answer of The portion of the uterine endometrium that...

Question 17

What is the purpose of the male bulbourethral gland?

Accepted Answer

Because it releases its conten...

Question 18

Effects of estrogen include .

Accepted Answer

A)  deepening of the voice
B)  growth of the breasts at puberty
C)  increased oiliness of the skin
D)  growth of the larynxE) A) and D)
F) B) and D)

Question 19

How do the testes respond to exposure to excessive body warmth?

Accepted Answer

A)  They move away from the pelvic cavity.
B)  Excessive warmth has no effect on the testicles because of their location in the scrotum.
C)  Excessive warmth is actually beneficial in that it speeds up the maturation of sperm.
D)  They move close to the pelvic cavity.E) All of the above
F) B) and D)

Question 20

During the secretory phase of the menstrual cycle .

Accepted Answer

A)  progesterone levels are at their highest
B)  estrogen reaches its highest levels
C)  the Graafian follicle forms
D)  LH reaches its highest levelsE) A) and B)
F) C) and D)

Exam 26: The Reproductive System

The midpiece of the sperm tail contains mostly .

Correct AnswerverifiedShow Answer

The brain- testicular axis .

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Which of the following phases or processes in the monthly reproductive cycle of the female occur simultaneously?

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The plexus of testicular veins assists in cooling the testis.

Correct AnswerverifiedShow Answer

Select the correct statement about the uterine cycle.

Correct AnswerverifiedShow Answer

The portion of the uterine endometrium that is not sloughed off every month is called the .

Correct AnswerverifiedShow Answer

What is the physiological importance of the fact that the male testes descend to reside in the scrotal sac?

Correct AnswerverifiedThe male testes descend into the scrotal...View AnswerShow Answer

Characteristics of the mature sperm include the .

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Select the correct statement about testosterone control.

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How do the testes respond to exposure to excessive body warmth?

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During the secretory phase of the menstrual cycle .

Correct AnswerverifiedShow Answer

What is the purpose of the male bulbourethral gland?

Correct AnswerverifiedBecause it releases its conten...View AnswerShow Answer

A low secretion of luteinizing hormone LH) in the normal male adult would cause .

Correct AnswerverifiedShow Answer

Which of the following statements about spermatogenesis is not true?

Correct AnswerverifiedShow Answer

Effects of estrogen include .

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Which of the choices below is not a function of testosterone?

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The dartos and cremaster muscles are important to the integrity of the male reproductive system.Which of the following is true about the role they play?

Correct AnswerverifiedShow Answer

Which male hormone inhibits the secretion of FSH?

Correct AnswerverifiedShow Answer

All of the following can be considered male secondary sex characteristics except the .

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Which hormone is absolutely necessary for ovulation to occur?

Correct AnswerverifiedShow Answer

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The male testes descend into the scrotal...
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Because it releases its conten...
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