Question 1

One important difference between asexual and sexual reproduction is that in asexual reproduction there is one parent and in sexual reproduction there are two parents.

Accepted Answer

A) True 
 B)False

Question 2

Sustentacular cells produce the hormone inhibin that inhibits FSH secretions, which reduces sperm production.

Accepted Answer

A) True 
 B)False

Question 3

Functional sterility results when the sperm count per milliliter falls below _____ million.

Accepted Answer

A)  10 
B)  25 
C)  100 
D)  150 
A)  10 
B)  25 
C)  100 
D)  150

Question 4

The urethra runs through the center of the:

Accepted Answer

A)  seminal vesicle. 
B)  Cowper gland. 
C)  bulbourethral gland. 
D)  prostate gland. 
A)  seminal vesicle. 
B)  Cowper gland. 
C)  bulbourethral gland. 
D)  prostate gland.

Question 5

The prostate and the testes are essential organs of reproduction in males.

Accepted Answer

A) True 
 B)False

Question 6

The acrosomal cap of the sperm contains a hydrolytic enzyme necessary for penetrating the egg.

Accepted Answer

A) True 
 B)False

Question 7

Define the terms erection, emission, and ejaculation. Include in each definition the neural control involved.

Accepted Answer

Erection refers to the physiological pro

Question 8

Secretions from the seminal vesicles contribute about 60% of the seminal fluid volume.

Accepted Answer

A) True 
 B)False

Question 9

The function of Reinke crystalloids in the Leydig cells is:

Accepted Answer

A)  to initiate the release of testosterone. 
B)  to assist in the process of spermatogenesis. 
C)  to communicate with Sertoli cells. 
D)  uncertain at this time. 
A)  to initiate the release of testosterone. 
B)  to assist in the process of spermatogenesis. 
C)  to communicate with Sertoli cells. 
D)  uncertain at this time.

Question 10

Which term means "hidden testis"?

Accepted Answer

A)  Oligospermia 
B)  Phimosis 
C)  Cryptorchidism 
D)  Spermatogonia 
A)  Oligospermia 
B)  Phimosis 
C)  Cryptorchidism 
D)  Spermatogonia

Question 11

Most of the head of the sperm is made up of the sperm nucleus, which is released into the ovum during fertilization.

Accepted Answer

A) True 
 B)False

Question 12

In both males and females, the essential organs of reproduction are called gonads.

Accepted Answer

A) True 
 B)False

Question 13

Impotence is caused by a reduction in the production of sperm cells.

Accepted Answer

A) True 
 B)False

Question 14

The temperature required for sperm production is about _____ normal body temperature.

Accepted Answer

A)  10 degrees below 
B)  3 degrees below 
C)  10 degrees above 
D)  3 degrees above 
A)  10 degrees below 
B)  3 degrees below 
C)  10 degrees above 
D)  3 degrees above

Question 15

Healthy males produce the hormone estrogen.

Accepted Answer

A) True 
 B)False

Question 16

When the nucleus of the sperm unites with the nucleus of the egg, the nucleus of a new offspring cell is formed.

Accepted Answer

A) True 
 B)False

Question 17

The main advantage of sexual reproduction over asexual reproduction is:

Accepted Answer

A)  only one parent is needed. 
B)  all the offspring are identical. 
C)  there is greater diversity in the offspring. 
D)  more offspring are produced. 
A)  only one parent is needed. 
B)  all the offspring are identical. 
C)  there is greater diversity in the offspring. 
D)  more offspring are produced.

Question 18

When the tight junctions of the sustentacular cells divide the seminiferous tubules into two compartments:

Accepted Answer

A)  meiotically active cells are near the basement membrane. 
B)  meiotically active cells are near the lumen. 
C)  spermatogonia are near the lumen. 
D)  both A and C are true. 
A)  meiotically active cells are near the basement membrane. 
B)  meiotically active cells are near the lumen. 
C)  spermatogonia are near the lumen. 
D)  both A and C are true.

Question 19

The wall of the vas deferens has two layers of muscle.

Accepted Answer

A) True 
 B)False

Question 20

As part of the maturation process, sperm will stay in the epididymis for:

Accepted Answer

A)  1 to 3 days. 
B)  4 to 7 days. 
C)  1 to 3 weeks. 
D)  1 to 2 months. 
A)  1 to 3 days. 
B)  4 to 7 days. 
C)  1 to 3 weeks. 
D)  1 to 2 months.

Exam 45: Male Reproductive System

One important difference between asexual and sexual reproduction is that in asexual reproduction there is one parent and in sexual reproduction there are two parents.

Sustentacular cells produce the hormone inhibin that inhibits FSH secretions, which reduces sperm production.

Functional sterility results when the sperm count per milliliter falls below _____ million.

The urethra runs through the center of the:

The prostate and the testes are essential organs of reproduction in males.

The acrosomal cap of the sperm contains a hydrolytic enzyme necessary for penetrating the egg.

Define the terms erection, emission, and ejaculation. Include in each definition the neural control involved.

Secretions from the seminal vesicles contribute about 60% of the seminal fluid volume.

The function of Reinke crystalloids in the Leydig cells is:

Which term means "hidden testis"?

Most of the head of the sperm is made up of the sperm nucleus, which is released into the ovum during fertilization.

In both males and females, the essential organs of reproduction are called gonads.

Impotence is caused by a reduction in the production of sperm cells.

The temperature required for sperm production is about _____ normal body temperature.

Healthy males produce the hormone estrogen.

When the nucleus of the sperm unites with the nucleus of the egg, the nucleus of a new offspring cell is formed.

The main advantage of sexual reproduction over asexual reproduction is:

When the tight junctions of the sustentacular cells divide the seminiferous tubules into two compartments:

The wall of the vas deferens has two layers of muscle.

As part of the maturation process, sperm will stay in the epididymis for:

Organization of the Body

Homeostasis

Chemical Basis of Life

Biomolecules

Cell Structure

Cell Function

Cell Growth and Development

Introduction to Tissues

Tissue Types

Skin

Skeletal Tissues

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Muscle Contraction

Nervous System Cells

Nerve Signaling

Central Nervous System

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Autonomic Nervous System

General Senses

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Endocrine Regulation

Endocrine Glands

Blood

Heart

Blood Vessels

Circulation of the Blood

Lymphatic System

Innate Immunity

Adaptive Immunity

Stress

Respiratory Tract

Ventilation

Gas Exchange & Transport

Upper Digestive Tract

Lower Digestive Tract

Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid Base Balance

Female Reproductive System

Growth and Development

Genetics and Heredity

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