Question 1

Which of the following best describes a genetic male (XY) who lacks functional androgen receptors (androgen insensitivity syndrome)?

Accepted Answer

A)  He will have normal male external genitalia. 
B)  He will have ovaries and female-appearing external genitalia but male secondary sex characteristics. 
C)  He will have female-appearing external genitalia and ovaries, but internal structures derived from the Wolffian ducts. 
D)  He will have male external genitalia but will have female-appearing internal structures derived from the Müllerian ducts. 
E)  He will have undescended testes, but female external genitalia and secondary sex characteristics. 
A)  He will have normal male external genitalia. 
B)  He will have ovaries and female-appearing external genitalia but male secondary sex characteristics. 
C)  He will have female-appearing external genitalia and ovaries, but internal structures derived from the Wolffian ducts. 
D)  He will have male external genitalia but will have female-appearing internal structures derived from the Müllerian ducts. 
E)  He will have undescended testes, but female external genitalia and secondary sex characteristics. E

Question 2

Dysmenorrhea refers to pain or discomfort during menses.

Accepted Answer

A) True 
 B)False  True

Question 3

The products of the first meiotic division of spermatogenesis are spermatids.

Accepted Answer

A) True 
 B)False  False

Question 4

The major constituents of human breast milk are water, protein, fat, and glucose.

Accepted Answer

A) True 
 B)False

Question 5

The part of the spermatozoan that enables it to swim through fluid is the acrosome.

Accepted Answer

A) True 
 B)False

Question 6

With respect to hormonal control and secretion, theca cells in the ovary are analogous to Leydig cells in the testis.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following statements regarding male reproductive function is FALSE?

Accepted Answer

A)  Sperm formed in the testes enter the epididymis before entering the vas deferens. 
B)  The seminal fluid is alkaline and rich in nutrients. 
C)  The Sertoli cells produce androgen-binding protein. 
D)  Sperm entering the epididymis are fully motile. 
E)  Most of the seminal volume is provided by the secretions of the seminal vesicles and prostate gland. 
A)  Sperm formed in the testes enter the epididymis before entering the vas deferens. 
B)  The seminal fluid is alkaline and rich in nutrients. 
C)  The Sertoli cells produce androgen-binding protein. 
D)  Sperm entering the epididymis are fully motile. 
E)  Most of the seminal volume is provided by the secretions of the seminal vesicles and prostate gland.

Question 8

Which is a TRUE statement about events occurring in the menstrual cycle?

Accepted Answer

A)  Each peak in estrogen concentration is accompanied by an even greater peak in progesterone concentration. 
B)  FSH reaches its highest concentration 3 days before menstruation begins. 
C)  Progesterone is low during the first half of the cycle, and rises to a peak during the second half. 
D)  Ovulation occurs exactly in the middle of the follicular phase of the cycle. 
E)  The corpus luteum normally degenerates on day 14 of the cycle. 
A)  Each peak in estrogen concentration is accompanied by an even greater peak in progesterone concentration. 
B)  FSH reaches its highest concentration 3 days before menstruation begins. 
C)  Progesterone is low during the first half of the cycle, and rises to a peak during the second half. 
D)  Ovulation occurs exactly in the middle of the follicular phase of the cycle. 
E)  The corpus luteum normally degenerates on day 14 of the cycle.

Question 9

During meiosis crossing-over results in the exchange of homologous genes from one of a pair of chromatids to the other with no net change in possibilities for genetic expression.

Accepted Answer

A) True 
 B)False

Question 10

Most of the hormonal effects on female accessory sex organs and secondary sex characteristics are attributable to progesterone.

Accepted Answer

A) True 
 B)False

Question 11

Atresia of all but the dominant follicle is in part a result of the diminished secretion of FSH during the second week of the follicular phase.

Accepted Answer

A) True 
 B)False

Question 12

A woman cannot become pregnant while she is lactating.

Accepted Answer

A) True 
 B)False

Question 13

Which is NOT a function of the hormone human placental lactogen in pregnancy?

Accepted Answer

A)  inhibit glucose utilization by maternal tissues 
B)  promote breast growth 
C)  increase maternal metabolism of fatty acids 
D)  inhibit glucose utilization by maternal tissues and promote breast growth 
E)  prevents the corpus luteum from degenerating 
A)  inhibit glucose utilization by maternal tissues 
B)  promote breast growth 
C)  increase maternal metabolism of fatty acids 
D)  inhibit glucose utilization by maternal tissues and promote breast growth 
E)  prevents the corpus luteum from degenerating

Question 14

Shedding of the endometrial lining occurs:

Accepted Answer

A)  because ovulation disrupts the growing follicle. 
B)  as a result of a fall in plasma levels of estradiol and progesterone. 
C)  a day after the LH surge. 
D)  because of an increase in the level of FSH. 
E)  because the nondominant follicles undergo atresia. 
A)  because ovulation disrupts the growing follicle. 
B)  as a result of a fall in plasma levels of estradiol and progesterone. 
C)  a day after the LH surge. 
D)  because of an increase in the level of FSH. 
E)  because the nondominant follicles undergo atresia.

Question 15

Oxytocin stimulates myometrial contractions most strongly when plasma progesterone levels are low relative to estrogen.

Accepted Answer

A) True 
 B)False

Question 16

The major source of estradiol and progesterone in a non-pregnant woman is the:

Accepted Answer

A)  thyroid gland. 
B)  adrenal gland. 
C)  testis. 
D)  ovary. 
E)  uterus. 
A)  thyroid gland. 
B)  adrenal gland. 
C)  testis. 
D)  ovary. 
E)  uterus.

Question 17

As sperm travel from their site of production in the testes to the exterior, the sequence of ducts through which they will pass is:

Accepted Answer

A)  rete testis; efferent ductules; vas deferens; ejaculatory duct; urethra. 
B)  efferent ductules; rete testis; vas deferens; ejaculatory duct; urethra. 
C)  rete testis; efferent ductules; vas deferens; urethra; ejaculatory duct. 
D)  rete testis; afferent ductules; ejaculatory duct; vas deferens; urethra. 
E)  rete testis; ejaculatory duct; efferent ductules; vas deferens; urethra. 
A)  rete testis; efferent ductules; vas deferens; ejaculatory duct; urethra. 
B)  efferent ductules; rete testis; vas deferens; ejaculatory duct; urethra. 
C)  rete testis; efferent ductules; vas deferens; urethra; ejaculatory duct. 
D)  rete testis; afferent ductules; ejaculatory duct; vas deferens; urethra. 
E)  rete testis; ejaculatory duct; efferent ductules; vas deferens; urethra.

Question 18

During in utero (fetal) development of the ovary, which of these occurs?

Accepted Answer

A)  Cell division of primary oogonia results in the production of 2 to 4 million primary oocytes, which are present at birth. 
B)  Cell division of primary oogonia, which all complete the first meiotic division before birth. 
C)  Cell division of primary oogonia, which all complete both meiotic divisions before birth. 
D)  The mitotic division of primary and secondary oocytes produces cells with 23 chromosomes each. 
E)  A single primary oogonium remains dormant, which then undergoes rapid mitosis after birth. 
A)  Cell division of primary oogonia results in the production of 2 to 4 million primary oocytes, which are present at birth. 
B)  Cell division of primary oogonia, which all complete the first meiotic division before birth. 
C)  Cell division of primary oogonia, which all complete both meiotic divisions before birth. 
D)  The mitotic division of primary and secondary oocytes produces cells with 23 chromosomes each. 
E)  A single primary oogonium remains dormant, which then undergoes rapid mitosis after birth.

Question 19

Combination oral contraceptives act by inhibiting ovulation, interfering with endometrial proliferation, and inducing changes in the composition of the cervical mucus.

Accepted Answer

A) True 
 B)False

Question 20

The presence of sex chromatin in a smear of epithelial cells indicates that the donor of the cells is a genetic female.

Accepted Answer

A) True 
 B)False

Which of the following best describes a genetic male (XY) who lacks functional androgen receptors (androgen insensitivity syndrome)?

Dysmenorrhea refers to pain or discomfort during menses.

The products of the first meiotic division of spermatogenesis are spermatids.

The major constituents of human breast milk are water, protein, fat, and glucose.

The part of the spermatozoan that enables it to swim through fluid is the acrosome.

With respect to hormonal control and secretion, theca cells in the ovary are analogous to Leydig cells in the testis.

Which of the following statements regarding male reproductive function is FALSE?

Which is a TRUE statement about events occurring in the menstrual cycle?

During meiosis crossing-over results in the exchange of homologous genes from one of a pair of chromatids to the other with no net change in possibilities for genetic expression.

Most of the hormonal effects on female accessory sex organs and secondary sex characteristics are attributable to progesterone.

Atresia of all but the dominant follicle is in part a result of the diminished secretion of FSH during the second week of the follicular phase.

A woman cannot become pregnant while she is lactating.

Which is NOT a function of the hormone human placental lactogen in pregnancy?

Shedding of the endometrial lining occurs:

Oxytocin stimulates myometrial contractions most strongly when plasma progesterone levels are low relative to estrogen.

The major source of estradiol and progesterone in a non-pregnant woman is the:

As sperm travel from their site of production in the testes to the exterior, the sequence of ducts through which they will pass is:

During in utero (fetal) development of the ovary, which of these occurs?

Combination oral contraceptives act by inhibiting ovulation, interfering with endometrial proliferation, and inducing changes in the composition of the cervical mucus.

The presence of sex chromatin in a smear of epithelial cells indicates that the donor of the cells is a genetic female.

Homeostasis: a Framework for Human Physiology

Chemical Composition of the Body and Its Relation to Physiology

Cellular Structure, Proteins, and Metabolic Pathways

Movement of Molecules Across Cell Membranes

Cell Signaling in Physiology

Neuronal Signaling and the Structure of the Nervous System

Sensory Physiology

Consciousness, the Brain, and Behavior

Muscle

Control of Body Movement

The Endocrine System

Cardiovascular Physiology

Respiratory Physiology

The Kidneys and Regulation of Water and Inorganic Ions

The Digestion and Absorption of Food

Regulation of Organic Metabolism and Energy Balance

The Immune System

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Exam 17: Reproduction

Which of the following best describes a genetic male (XY) who lacks functional androgen receptors (androgen insensitivity syndrome)?

Dysmenorrhea refers to pain or discomfort during menses.

The products of the first meiotic division of spermatogenesis are spermatids.

The major constituents of human breast milk are water, protein, fat, and glucose.

The part of the spermatozoan that enables it to swim through fluid is the acrosome.

With respect to hormonal control and secretion, theca cells in the ovary are analogous to Leydig cells in the testis.

Which of the following statements regarding male reproductive function is FALSE?

Which is a TRUE statement about events occurring in the menstrual cycle?

During meiosis crossing-over results in the exchange of homologous genes from one of a pair of chromatids to the other with no net change in possibilities for genetic expression.

Most of the hormonal effects on female accessory sex organs and secondary sex characteristics are attributable to progesterone.

Atresia of all but the dominant follicle is in part a result of the diminished secretion of FSH during the second week of the follicular phase.

A woman cannot become pregnant while she is lactating.

Which is NOT a function of the hormone human placental lactogen in pregnancy?

Shedding of the endometrial lining occurs:

Oxytocin stimulates myometrial contractions most strongly when plasma progesterone levels are low relative to estrogen.

The major source of estradiol and progesterone in a non-pregnant woman is the:

As sperm travel from their site of production in the testes to the exterior, the sequence of ducts through which they will pass is:

During in utero (fetal) development of the ovary, which of these occurs?

Combination oral contraceptives act by inhibiting ovulation, interfering with endometrial proliferation, and inducing changes in the composition of the cervical mucus.

The presence of sex chromatin in a smear of epithelial cells indicates that the donor of the cells is a genetic female.

Homeostasis: a Framework for Human Physiology

Chemical Composition of the Body and Its Relation to Physiology

Cellular Structure, Proteins, and Metabolic Pathways

Movement of Molecules Across Cell Membranes

Cell Signaling in Physiology

Neuronal Signaling and the Structure of the Nervous System

Sensory Physiology

Consciousness, the Brain, and Behavior

Muscle

Control of Body Movement

The Endocrine System

Cardiovascular Physiology

Respiratory Physiology

The Kidneys and Regulation of Water and Inorganic Ions

The Digestion and Absorption of Food

Regulation of Organic Metabolism and Energy Balance

The Immune System

Filters