Question 1

Which of the following events occurs in an erection?

Accepted Answer

A)   Vasoconstriction of arteries leading to erectile tissue of penis
B)   Engorgement of erectile tissue of penis with blood
C)   Dilation of venules leading from erectile tissue of penis
D)   Relaxation of internal sphincter of urinary bladder
E)   Decrease of blood flow to the penisF) B) and E)
G) A) and D)

Question 2

The corpus luteum is a gland that

Accepted Answer

A)   forms from a mature follicle after ovulation.
B)   secretes progesterone.
C)   degenerates into a zygote if pregnancy does not occur.
D)   releases the secondary oocyte.
E)   Both "forms from a mature follicle after ovulation" and "secretes mainly progesterone" are correct.F) A) and B)
G) A) and E) E

Question 3

FSH can make the follicle cells more sensitive to LH by increasing ________.

Accepted Answer

A)   GnRH production
B)   GnRH receptors
C)   LH receptors
D)   theca cells
E)   estrogen receptorsF) B) and E)
G) D) and E)

Question 4

What is the role of NO (nitric oxide)  in the male sexual act?

Accepted Answer

A)   Dilation of blood vessels in the penis
B)   Activation of a G protein
C)   Secretion of mucus
D)   Contraction of somatic muscles of the urogenital diaphragmE) B) and D)
F) C) and D)

Question 5

Sex cells are called ________.

Accepted Answer

A)   gametes
B)   spermatocytes
C)   oogonia
D)   zygotes
E)   chromosomesF) B) and C)
G) A) and B)

Question 6

In the adult ovary, more than 90% of the follicles are found as ________.

Accepted Answer

A)   Primary follicles
B)   Secondary follicles
C)   Tertiary follicles
D)   Graafian follicles
E)   Primordial folliclesF) A) and C)
G) A) and B)

Question 7

The secretions produced by the prostate gland

Accepted Answer

A)   are acidic.
B)   contain fructose.
C)   contain mucus.
D)   constitute about 30% of the semen.
E)   constitute about 90% of the semen.F) A) and B)
G) C) and E)

Question 8

A lack of testosterone production before birth would

Accepted Answer

A)   inhibit normal development of male reproductive structures.
B)   inhibit anterior pituitary secretions.
C)   inhibit hypothalamus development.
D)   inhibit FSH secretion from the anterior pituitary.
E)   have no effect.F) A) and D)
G) C) and D)

Question 9

Which function of the reproductive system is solely a function of the female reproductive system?

Accepted Answer

A)   Production of reproductive hormones
B)   Fertilization
C)   Production of gametes
D)   Development and nourishment of a new individualE) None of the above
F) B) and C)

Question 10

Which of the following statements is true about gametogenesis in humans?

Accepted Answer

A)   Gametogenesis produces haploid cells.
B)   When considering one parent cell, spermatogenesis produces 4 functional gametes and oogenesis produces 2 functional gametes.
C)   Gametogenesis is continuous throughout an individual's lifetime.
D)   Gametogenesis ceases to occur around middle age in both males and females.E) A) and D)
F) None of the above

Question 11

Which of the following is a function of the vagina?

Accepted Answer

A)   Oocyte production
B)   Reception of penis during intercourse
C)   Site of fertilization
D)   Production of estrogen
E)   Female hormone secretionF) B) and E)
G) A) and B)

Question 12

Which of the following effects on the body CANNOT be attributed to testosterone?

Accepted Answer

A)   Enlargement of male genitalia
B)   Growth of pubic, axillary, and facial hair
C)   Hypertrophy of the larynx
D)   Increased calcium excretion
E)   Rapid bone growthF) A) and C)
G) A) and B)

Question 13

The hypothalamic hormone that regulates both male and female reproductive cycles is ________.

Accepted Answer

A)   FSH
B)   ICSH
C)   GnRH
D)   LH
E)   oxytocinF) B) and E)
G) A) and E)

Question 14

Which of the following is NOT an age-related change in the male reproductive system?

Accepted Answer

A)   Increase in erectile dysfunction
B)   Prostatic hypertrophy
C)   Size and weight of testes decrease
D)   Decline of sperm cell production until no more sperm cells are producedE) None of the above
F) A) and C)

Question 15

The secondary oocyte completes the second meiotic division when

Accepted Answer

A)   the mature follicle ruptures.
B)   it is penetrated by a sperm cell.
C)   it is implanted in the uterus.
D)   it receives both estrogen and progesterone.
E)   ovulation occurs.F) D) and E)
G) A) and E)

Question 16

Which of these blood hormone levels reaches its maximum during the luteal phase?

Accepted Answer

A)   GnRH
B)   FSH
C)   LH
D)   Progesterone
E)   EstradiolF) B) and E)
G) B) and C) D

Question 17

The onset of puberty in females typically occurs between the ages of ________ and occurs ________ that in males.

Accepted Answer

A)   14 and 18; earlier than
B)   13 and 16; later than
C)   11 and 16; earlier than
D)   12 and 16; at the same time asE) A) and B)
F) A) and C)

Question 18

Which of the following hormones is produced by the testis?

Accepted Answer

A)   Testosterone
B)   Interstitial cell-stimulating hormone (ICSH) 
C)   Gonadotropin-releasing hormone (GnRH) 
D)   Follicle-stimulating hormone (FSH) 
E)   Luteinizing hormone (LH) F) B) and D)
G) D) and E)

Question 19

Arrange the following events of the male sexual act in the correct sequence:
(1)  Ejaculation
(2)  Emission
(3)  Erection

Accepted Answer

A)   1, 2, 3
B)   3, 1, 2
C)   3, 2, 1
D)   1, 3, 2
E)   2, 3, 1F) C) and E)
G) C) and D) C

Question 20

If 5 reproductive cells divide by meiosis, the total number of gametes produced in a male would be ________. The total number of gametes produced in a female would be ________.

Accepted Answer

A)   20; 5
B)   20; 10
C)   20; 20
D)   10; 5E) All of the above
F) None of the above

Exam 28: Reproductive System

Which of the following events occurs in an erection?

Correct AnswerverifiedShow Answer

The corpus luteum is a gland that

Correct AnswerverifiedE

FSH can make the follicle cells more sensitive to LH by increasing ________.

Correct AnswerverifiedShow Answer

What is the role of NO (nitric oxide) in the male sexual act?

Correct AnswerverifiedShow Answer

Sex cells are called ________.

Correct AnswerverifiedShow Answer

In the adult ovary, more than 90% of the follicles are found as ________.

Correct AnswerverifiedShow Answer

The secretions produced by the prostate gland

Correct AnswerverifiedShow Answer

A lack of testosterone production before birth would

Correct AnswerverifiedShow Answer

Which function of the reproductive system is solely a function of the female reproductive system?

Correct AnswerverifiedShow Answer

Which of the following statements is true about gametogenesis in humans?

Correct AnswerverifiedShow Answer

Which of the following is a function of the vagina?

Correct AnswerverifiedShow Answer

Which of the following effects on the body CANNOT be attributed to testosterone?

Correct AnswerverifiedShow Answer

The hypothalamic hormone that regulates both male and female reproductive cycles is ________.

Correct AnswerverifiedShow Answer

Which of the following is NOT an age-related change in the male reproductive system?

Correct AnswerverifiedShow Answer

The secondary oocyte completes the second meiotic division when

Correct AnswerverifiedShow Answer

Which of these blood hormone levels reaches its maximum during the luteal phase?

Correct AnswerverifiedD

The onset of puberty in females typically occurs between the ages of ________ and occurs ________ that in males.

Correct AnswerverifiedShow Answer

Which of the following hormones is produced by the testis?

Correct AnswerverifiedShow Answer

Arrange the following events of the male sexual act in the correct sequence: (1) Ejaculation (2) Emission (3) Erection

Correct AnswerverifiedC

If 5 reproductive cells divide by meiosis, the total number of gametes produced in a male would be ________. The total number of gametes produced in a female would be ________.

Correct AnswerverifiedShow Answer

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D

The onset of puberty in females typically occurs between the ages of and occurs that in males.

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C

If 5 reproductive cells divide by meiosis, the total number of gametes produced in a male would be . The total number of gametes produced in a female would be .

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