Question 1

One spermatogonium containing 46 chromosomes yields two spermatozoa each containing 23 chromosomes.

Accepted Answer

A) True 
 B)False

Question 2

The factor responsible for differentiating the embryonic gonads into testes is

Accepted Answer

A)  the sex-determining region of the X chromosome. 
B)  the sex-determining region of the Y chromosome. 
C)  autosomal chromosomes. 
D)  male gonadal-determining factor. 
E)  the Sertoli cells. 
A)  the sex-determining region of the X chromosome. 
B)  the sex-determining region of the Y chromosome. 
C)  autosomal chromosomes. 
D)  male gonadal-determining factor. 
E)  the Sertoli cells.

Question 3

There is a limited lifetime supply of primary oocytes, which are present at the birth of a baby girl.

Accepted Answer

A) True 
 B)False

Question 4

Androgen-binding protein retains testosterone within the seminiferous tubules because the lipid soluble steroid would diffuse easily out of the lumen in its absence.

Accepted Answer

A) True 
 B)False

Question 5

The following series of 6 questions refer to the accompanying diagram of the ovarian cycle.  
-Between which two stages is FSH playing an important role in follicular growth?

Accepted Answer

A)  1-2 
B)  4-5 
C)  7-8 
D)  9-10 
A)  1-2 
B)  4-5 
C)  7-8 
D)  9-10

Question 6

What is the source of estrogen and progesterone during the first ten weeks of pregnancy?

Accepted Answer

A)  ovarian follicle 
B)  placenta 
C)  corpus luteum of pregnancy 
D)  anterior pituitary 
E)  trophoblast 
A)  ovarian follicle 
B)  placenta 
C)  corpus luteum of pregnancy 
D)  anterior pituitary 
E)  trophoblast

Question 7

The second meiotic division occurs within the ovary before ovulation takes place.

Accepted Answer

A) True 
 B)False

Question 8

A key factor in inflammatory uterine chemical associated with labor is nuclear factor ?B

Accepted Answer

A) True 
 B)False

Question 9

Select the structure with the diploid chromosome number.

Accepted Answer

A)  primary spermatocyte 
B)  secondary oocyte 
C)  secondary spermatocyte 
D)  spermatid 
E)  spermatozoan 
A)  primary spermatocyte 
B)  secondary oocyte 
C)  secondary spermatocyte 
D)  spermatid 
E)  spermatozoan

Question 10

Which of the following statements concerning estrogen is incorrect?

Accepted Answer

A)  It promotes fat deposition. 
B)  It promotes closure of the epiphyseal plates. 
C)  It stimulates duct development in the breasts. 
D)  It causes the cervical mucus to become thick and sticky. 
E)  It enhances sperm transport to the site of fertilization by stimulating upward contractions of the uterus and oviduct. 
A)  It promotes fat deposition. 
B)  It promotes closure of the epiphyseal plates. 
C)  It stimulates duct development in the breasts. 
D)  It causes the cervical mucus to become thick and sticky. 
E)  It enhances sperm transport to the site of fertilization by stimulating upward contractions of the uterus and oviduct.

Question 11

Which of the following stimulates uterine contractions?

Accepted Answer

A)  oxytocin from the posterior pituitary 
B)  prostaglandin from the decidua 
C)  progesterone from the placenta 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  oxytocin from the posterior pituitary 
B)  prostaglandin from the decidua 
C)  progesterone from the placenta 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 12

Amniotic fluid:

Accepted Answer

A)  is similar in composition to ECF 
B)  is found in the placenta 
C)  is made by the chorion 
D)  is found outside the chorion 
E)  none of the above 
A)  is similar in composition to ECF 
B)  is found in the placenta 
C)  is made by the chorion 
D)  is found outside the chorion 
E)  none of the above

Question 13

The third stage of labor

Accepted Answer

A)  involves dilation of the cervix to 10 cm. 
B)  refers to the actual birth of the baby. 
C)  occurs when the entire uterine contents shift downward and the fetus's head is positioned against the cervix. 
D)  involves delivery of the placenta. 
E)  is characterized by rupture of the membranes surrounding the amniotic sac. 
A)  involves dilation of the cervix to 10 cm. 
B)  refers to the actual birth of the baby. 
C)  occurs when the entire uterine contents shift downward and the fetus's head is positioned against the cervix. 
D)  involves delivery of the placenta. 
E)  is characterized by rupture of the membranes surrounding the amniotic sac.

Question 14

Secretion of progesterone inhibits GnRH secretion.

Accepted Answer

A) True 
 B)False

Question 15

Oxytocin is a powerful stimulant of uterine muscle contractility.

Accepted Answer

A) True 
 B)False

Question 16

Which structure secretes lubricating fluid prior to ejaculation?

Accepted Answer

A)  vas deferens. 
B)  epididymis 
C)  seminal vesicles. 
D)  prostate gland. 
E)  bulbo-urethral glands 
A)  vas deferens. 
B)  epididymis 
C)  seminal vesicles. 
D)  prostate gland. 
E)  bulbo-urethral glands

Question 17

The number of primary oocytes in a female

Accepted Answer

A)  is decreased continually throughout her reproductive life from puberty to menopause. 
B)  is maintained constant during her reproductive life because those that are lost are continuously replaced by an equal number of new primary oocytes. 
C)  increases at the time of menopause. 
D)  both (a) and (c) above. 
E)  both (b) and (c) above. 
A)  is decreased continually throughout her reproductive life from puberty to menopause. 
B)  is maintained constant during her reproductive life because those that are lost are continuously replaced by an equal number of new primary oocytes. 
C)  increases at the time of menopause. 
D)  both (a) and (c) above. 
E)  both (b) and (c) above.

Question 18

Blood is exchanged between the mother and fetus across the placenta.

Accepted Answer

A) True 
 B)False

Question 19

The placenta secretes hCG, which causes the ovaries to maintain cyclic follicular development (ovulations) during pregnancy.

Accepted Answer

A) True 
 B)False

Question 20

What hormone(s) is secreted by the corpus luteum?

Accepted Answer

A)  FSH 
B)  estrogen 
C)  progesterone 
D)  LH 
E)  both estrogen and progesterone 
A)  FSH 
B)  estrogen 
C)  progesterone 
D)  LH 
E)  both estrogen and progesterone

One spermatogonium containing 46 chromosomes yields two spermatozoa each containing 23 chromosomes.

The factor responsible for differentiating the embryonic gonads into testes is

There is a limited lifetime supply of primary oocytes, which are present at the birth of a baby girl.

Androgen-binding protein retains testosterone within the seminiferous tubules because the lipid soluble steroid would diffuse easily out of the lumen in its absence.

The following series of 6 questions refer to the accompanying diagram of the ovarian cycle. -Between which two stages is FSH playing an important role in follicular growth?

What is the source of estrogen and progesterone during the first ten weeks of pregnancy?

The second meiotic division occurs within the ovary before ovulation takes place.

A key factor in inflammatory uterine chemical associated with labor is nuclear factor ?B

Select the structure with the diploid chromosome number.

Which of the following statements concerning estrogen is incorrect?

Which of the following stimulates uterine contractions?

Amniotic fluid:

The third stage of labor

Secretion of progesterone inhibits GnRH secretion.

Oxytocin is a powerful stimulant of uterine muscle contractility.

Which structure secretes lubricating fluid prior to ejaculation?

The number of primary oocytes in a female

Blood is exchanged between the mother and fetus across the placenta.

The placenta secretes hCG, which causes the ovaries to maintain cyclic follicular development (ovulations) during pregnancy.

What hormone(s) is secreted by the corpus luteum?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

Filters

Exam 18: The Reproductive System

One spermatogonium containing 46 chromosomes yields two spermatozoa each containing 23 chromosomes.

The factor responsible for differentiating the embryonic gonads into testes is

There is a limited lifetime supply of primary oocytes, which are present at the birth of a baby girl.

Androgen-binding protein retains testosterone within the seminiferous tubules because the lipid soluble steroid would diffuse easily out of the lumen in its absence.

The following series of 6 questions refer to the accompanying diagram of the ovarian cycle. -Between which two stages is FSH playing an important role in follicular growth?

What is the source of estrogen and progesterone during the first ten weeks of pregnancy?

The second meiotic division occurs within the ovary before ovulation takes place.

A key factor in inflammatory uterine chemical associated with labor is nuclear factor ?B

Select the structure with the diploid chromosome number.

Which of the following statements concerning estrogen is incorrect?

Which of the following stimulates uterine contractions?

Amniotic fluid:

The third stage of labor

Secretion of progesterone inhibits GnRH secretion.

Oxytocin is a powerful stimulant of uterine muscle contractility.

Which structure secretes lubricating fluid prior to ejaculation?

The number of primary oocytes in a female

Blood is exchanged between the mother and fetus across the placenta.

The placenta secretes hCG, which causes the ovaries to maintain cyclic follicular development (ovulations) during pregnancy.

What hormone(s) is secreted by the corpus luteum?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

Filters