Question 1

During the menstrual phase, all of the endometrium is shed in the menstrual flow.

Accepted Answer

A) True 
 B)False

Question 2

What promotes growth of glandular tissue of the breasts?

Accepted Answer

A)   estrogens
B)   LH
C)   inhibin
D)   progesterone
E)   FSHF) A) and D)
G) B) and C)

Question 3

What is the function of the amniotic fluid?

Accepted Answer

A)   provide the intrauterine pressure that facilitates embryonic development
B)   float the developing embryo
C)   protect the uterus from the embryo
D)   provide nutrients for the developing embryo
E)   cushion the developing embryo against physical traumaF) A) and B)
G) A) and C)

Question 4

The placenta forms from

Accepted Answer

A)   endometrial tissue only.
B)   chorionic villi only.
C)   the trophoblast only.
D)   the blastocoele only.
E)   both the chorionic villi and endometrial tissue of the motherF) A) and D)
G) None of the above

Question 5

Having one set of 23 chromosomes is called what?

Accepted Answer

A)   autosomes
B)   haploid
C)   sex chromosomes
D)   alleles
E)   diploidF) C) and E)
G) A) and E)

Question 6

Which of the following is a function of oxytocin?

Accepted Answer

A)   inhibits uterine contractions
B)   inhibits contraction of breast myoepithelial cells
C)   stimulates prolactin release
D)   stimulates the uterus directly to cause contractions and indirectly by stimulating the release of prostaglandins from myometrial cells which locally cause uterine contractions as well
E)   stimulates release of estrogens and progesteroneF) B) and D)
G) A) and D)

Question 7

The production of milk is stimulated by release of_______from the hypothalamus.

Accepted Answer

A)   corticotropin -releasing hormone (CRH) 
B)   prolactin -inhibiting hormone (PIH) 
C)   prolactin -releasing hormone (PRH) 
D)   gonadotropin -releasing hormone (GnRH) 
E)   oxytocinF) D) and E)
G) All of the above

Question 8

In the absence of the implantation of a fertilized embryo, the menstrual phase of the uterine cycle is initiated by the degeneration of the

Accepted Answer

A)   corpus luteum.
B)   corpus albicans.
C)   Graafian follicle.
D)   endometrium.
E)   myometrium.F) A) and E)
G) A) and D)

Question 9

The srY gene is located on the Y chromosome and determines a person's sex.

Accepted Answer

A) True 
 B)False

Question 10

When do sperm acquire motility?

Accepted Answer

A)   after they have been exposed to fluid in the female reproductive tract
B)   after they enter the vagina
C)   after they undergo further maturation in the epididymis
D)   after they have been exposed to bulbourethral fluid
E)   after they enter the efferent ductuleF) A) and B)
G) C) and D)

Question 11

The development of the second polar body occurs following (ovulation / fertilization).

Accepted Answer

The answer of The development of the second polar body...

Question 12

What hormone is responsible for secondary sex characteristics in males?

Accepted Answer

A)   testosterone
B)   FSH
C)   inhibin
D)   LH
E)   Wolffian factorF) B) and C)
G) D) and E)

Question 13

Sex determination of a fetus is controlled by the production of ___________, which is coded for by the gene.

Accepted Answer

A)   testis -determining factor : srY
B)   ovary -determining factor : odY
C)   testis -determining factor : tdY
D)   gonad -determining factor : gdY
E)   ovary -determining factor : srYF) A) and E)
G) B) and D)

Question 14

The granulosa cells provide nutrients for the developing oocyte via gap junctions.

Accepted Answer

A) True 
 B)False

Question 15

Erectile function requires an increase in  ______, whereas ejaculation involves increases in  ______.

Accepted Answer

A)   myogenic dilation of vessels within erectile tissue : sympathetic nervous activity
B)   parasympathetic nervous activity : sympathetic nervous activity
C)   myogenic dilation of vessels within erectile tissue : myogenic constriction of the vas deferens
D)   parasympathetic nervous activity : myogenic constriction of the vas deferens
E)   sympathetic nervous activity : parasympathetic nervous activityF) B) and E)
G) A) and E)

Question 16

What is the function of Leydig cells?

Accepted Answer

A)   secrete androgens only
B)   secrete Müllerian inhibiting substance only
C)   provide nutrients for developing sperm only
D)   both secrete androgens and provide nutrients for developing sperm
E)   secrete androgens, provide nutrients for developing sperm, and secrete Müllerian inhibiting substanceF) C) and E)
G) A) and D)

Question 17

What secretes paracrines that support oogenesis?

Accepted Answer

A)   theca cell
B)   Sertoli cell
C)   granulosa cell
D)   Leydig cellE) B) and C)
F) A) and D)

Question 18

Which of the following structures does NOT contract during ejaculation?

Accepted Answer

A)   ejaculatory duct
B)   vas deferens
C)   skeletal muscles at the base of the penis
D)   epididymis
E)   erectile tissueF) B) and D)
G) A) and D)

Question 19

The elevated plasma concentration of estrogen early in the luteal phase has little effect on the secretion of luteinizing hormone (LH)  because

Accepted Answer

A)   secretin release is inhibited.
B)   inhibin strongly inhibits LH release.
C)   progesterone strongly inhibits LH release.
D)   the corpus luteum degenerates.
E)   gonadotropin -releasing hormone (GnRH)  is reduced.F) B) and D)
G) A) and B)

Question 20

Each Sertoli cell is joined to its neighbors by tight junctions.

Accepted Answer

A) True 
 B)False

Exam 22: The Reproductive System

In the absence of the implantation of a fertilized embryo, the menstrual phase of the uterine cycle is initiated by the degeneration of the

Correct AnswerverifiedShow Answer

Which of the following is a function of oxytocin?

Correct AnswerverifiedShow Answer

What is the function of Leydig cells?

Correct AnswerverifiedShow Answer

The elevated plasma concentration of estrogen early in the luteal phase has little effect on the secretion of luteinizing hormone (LH) because

Correct AnswerverifiedShow Answer

Sex determination of a fetus is controlled by the production of ___________, which is coded for by the gene.

Correct AnswerverifiedShow Answer

When do sperm acquire motility?

Correct AnswerverifiedShow Answer

What hormone is responsible for secondary sex characteristics in males?

Correct AnswerverifiedShow Answer

The granulosa cells provide nutrients for the developing oocyte via gap junctions.

Correct AnswerverifiedShow Answer

Which of the following structures does NOT contract during ejaculation?

Correct AnswerverifiedShow Answer

What is the function of the amniotic fluid?

Correct AnswerverifiedShow Answer

What secretes paracrines that support oogenesis?

Correct AnswerverifiedShow Answer

During the menstrual phase, all of the endometrium is shed in the menstrual flow.

Correct AnswerverifiedShow Answer

The srY gene is located on the Y chromosome and determines a person's sex.

Correct AnswerverifiedShow Answer

Erectile function requires an increase in ______, whereas ejaculation involves increases in ______.

Correct AnswerverifiedShow Answer

The development of the second polar body occurs following (ovulation / fertilization).

Correct AnswerverifiedShow Answer

The production of milk is stimulated by release of_______from the hypothalamus.

Correct AnswerverifiedShow Answer

The placenta forms from

Correct AnswerverifiedShow Answer

What promotes growth of glandular tissue of the breasts?

Correct AnswerverifiedShow Answer

Each Sertoli cell is joined to its neighbors by tight junctions.

Correct AnswerverifiedShow Answer

Having one set of 23 chromosomes is called what?

Correct AnswerverifiedShow Answer

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Erectile function requires an increase in , whereas ejaculation involves increases in .

Correct Answer
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