Question 1

The acrosome is an enzyme-filled vesicle at the tip of the head of the spermatozoon that enables the sperm to penetrate the ovum.

Accepted Answer

A) True 
 B)False

Question 2

Human cells have 23 pairs of sex chromosomes.

Accepted Answer

A) True 
 B)False

Question 3

During involution, the uterus ____ to its ____ stage.

Accepted Answer

A)  enlarges; gestational 
B)  enlarges; pregestational 
C)  shrinks; gestational 
D)  shrinks; pregestational 
A)  enlarges; gestational 
B)  enlarges; pregestational 
C)  shrinks; gestational 
D)  shrinks; pregestational

Question 4

During ejaculation, the sphincter at the neck of the bladder is opened to permit entry of sperm into the urethra.

Accepted Answer

A) True 
 B)False

Question 5

Implantation normally occurs

Accepted Answer

A)  in the oviduct 
B)  about three days after fertilization 
C)  during the secretory, or progestational, phase 
D)  about three days after fertilization and during the secretory, or progestational, phase 
E)  all of these 
A)  in the oviduct 
B)  about three days after fertilization 
C)  during the secretory, or progestational, phase 
D)  about three days after fertilization and during the secretory, or progestational, phase 
E)  all of these

Question 6

Which of the following statements concerning human chorionic gonadotropin is incorrect?

Accepted Answer

A)  It is secreted by the placenta. 
B)  It maintains the corpus luteum. 
C)  It is secreted by the corpus luteum. 
D)  Its presence in the urine is the basis of pregnancy diagnosis tests. 
E)  It is secreted primarily during the first 10 weeks of gestation. 
A)  It is secreted by the placenta. 
B)  It maintains the corpus luteum. 
C)  It is secreted by the corpus luteum. 
D)  Its presence in the urine is the basis of pregnancy diagnosis tests. 
E)  It is secreted primarily during the first 10 weeks of gestation.

Question 7

The hormone hCG diminishes the life span of the corpus luteum.

Accepted Answer

A) True 
 B)False

Question 8

The trophoblast of the blastocyst is destined to become

Accepted Answer

A)  the fetus 
B)  the fetal portion of the placenta 
C)  the inner cell mass 
D)  the amniotic sac 
E)  the corpus luteum 
A)  the fetus 
B)  the fetal portion of the placenta 
C)  the inner cell mass 
D)  the amniotic sac 
E)  the corpus luteum

Question 9

The prostate gland provides fructose to be utilized by the sperm for energy.

Accepted Answer

A) True 
 B)False

Question 10

The Sertoli cells are located in the testis.

Accepted Answer

A) True 
 B)False

Question 11

There is an increase in estrogen secretion after menopause due to an increase in GnRH secretion.

Accepted Answer

A) True 
 B)False

Question 12

A surge in LH halts estrogen synthesis.

Accepted Answer

A) True 
 B)False

Question 13

A secondary spermatocyte

Accepted Answer

A)  is haploid with nonreplicated chromosomes 
B)  is haploid with replicated chromosomes 
C)  is diploid with nonreplicated chromosomes 
D)  is diploid with repliecated chromosomes. 
E)  none of these 
A)  is haploid with nonreplicated chromosomes 
B)  is haploid with replicated chromosomes 
C)  is diploid with nonreplicated chromosomes 
D)  is diploid with repliecated chromosomes. 
E)  none of these

Question 14

Prostaglandins are secreted into the semen by the prostate gland.

Accepted Answer

A) True 
 B)False

Question 15

The proliferative phase of the menstrual (uterine) cycle

Accepted Answer

A)  occurs when the ovarian cycle is in the follicular phase 
B)  lasts from menstruation to ovulation 
C)  occurs when the endometrium is repairing itself and thickening under the influence of estrogen 
D)  lasts from menstruation to ovulation and occurs when the endometrium is repairing itself and thickening under the influence of estrogen 
E)  all of these 
A)  occurs when the ovarian cycle is in the follicular phase 
B)  lasts from menstruation to ovulation 
C)  occurs when the endometrium is repairing itself and thickening under the influence of estrogen 
D)  lasts from menstruation to ovulation and occurs when the endometrium is repairing itself and thickening under the influence of estrogen 
E)  all of these

Question 16

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 17

The gonads

Accepted Answer

A)  consist of a pair of testes in males and ovaries in females 
B)  produce gametes and secrete sex hormones 
C)  refer to the externally visible genitalia in both sexes 
D)  all of these 
E)  consist of a pair of testes in males and ovaries in females, and produce gametes and secrete sex hormones 
A)  consist of a pair of testes in males and ovaries in females 
B)  produce gametes and secrete sex hormones 
C)  refer to the externally visible genitalia in both sexes 
D)  all of these 
E)  consist of a pair of testes in males and ovaries in females, and produce gametes and secrete sex hormones

Question 18

Testosterone

Accepted Answer

A)  is secreted by the Sertoli cells of the testes 
B)  exerts a general protein catabolic effect 
C)  causes enlargement of the larynx and thickening of the vocal cords 
D)  is secreted by the Sertoli cells of the testes and causes enlargement of the larynx and thickening of the vocal cords 
E)  all of these 
A)  is secreted by the Sertoli cells of the testes 
B)  exerts a general protein catabolic effect 
C)  causes enlargement of the larynx and thickening of the vocal cords 
D)  is secreted by the Sertoli cells of the testes and causes enlargement of the larynx and thickening of the vocal cords 
E)  all of these

Question 19

FSH is

Accepted Answer

A)  an anterior pituitary hormone that stimulates antrum formation in developing ovarian follicles 
B)  produced by developing ovarian follicles 
C)  sometimes referred to as PRL in males 
D)  an anterior pituitary hormone that stimulates antrum formation in developing ovarian follicles, and is sometimes referred to as PRL in males 
E)  produced by developing ovarian follicles, and is sometimes referred to as PRL in males 
A)  an anterior pituitary hormone that stimulates antrum formation in developing ovarian follicles 
B)  produced by developing ovarian follicles 
C)  sometimes referred to as PRL in males 
D)  an anterior pituitary hormone that stimulates antrum formation in developing ovarian follicles, and is sometimes referred to as PRL in males 
E)  produced by developing ovarian follicles, and is sometimes referred to as PRL in males

Question 20

Failure of the testes to descend into the scrotal sac is known as cryptorchidism.

Accepted Answer

A) True 
 B)False

Exam 20: A--The Reproductive System

The acrosome is an enzyme-filled vesicle at the tip of the head of the spermatozoon that enables the sperm to penetrate the ovum.

Human cells have 23 pairs of sex chromosomes.

During involution, the uterus ____ to its ____ stage.

During ejaculation, the sphincter at the neck of the bladder is opened to permit entry of sperm into the urethra.

Implantation normally occurs

Which of the following statements concerning human chorionic gonadotropin is incorrect?

The hormone hCG diminishes the life span of the corpus luteum.

The trophoblast of the blastocyst is destined to become

The prostate gland provides fructose to be utilized by the sperm for energy.

The Sertoli cells are located in the testis.

There is an increase in estrogen secretion after menopause due to an increase in GnRH secretion.

A surge in LH halts estrogen synthesis.

A secondary spermatocyte

Prostaglandins are secreted into the semen by the prostate gland.

The proliferative phase of the menstrual (uterine) cycle

The factor responsible for differentiating the embryonic gonads into testes is

The gonads

Testosterone

FSH is

Failure of the testes to descend into the scrotal sac is known as cryptorchidism.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

B--The Reproductive System

Filters

During involution, the uterus to its stage.