Question 1

In spermatozoa,a helical arrangement of mitochondria is located in the:

Accepted Answer

A)  acrosome. 
B)  head. 
C)  cylindrical middle piece. 
D)  tail. 
A)  acrosome. 
B)  head. 
C)  cylindrical middle piece. 
D)  tail. C

Question 2

Cells of Leydig produce both sperm and testosterone.

Accepted Answer

A) True 
 B)False  False

Question 3

The tunica vaginalis is a serous membrane that surrounds the testes.

Accepted Answer

A) True 
 B)False  True

Question 4

Which of the following is true of the essential organ in the reproductive system?

Accepted Answer

A)  It produces gametes. 
B)  It is called the testis in the male. 
C)  It is called the gonad in both sexes. 
D)  All of the above are true. 
A)  It produces gametes. 
B)  It is called the testis in the male. 
C)  It is called the gonad in both sexes. 
D)  All of the above are true.

Question 5

Explain why millions of sperm must be released for fertilization to occur even though usually only one sperm fertilizes an ovum.

Accepted Answer

Millions of sperm must be released for f

Question 6

Which of the following is not a function of testosterone?

Accepted Answer

A)  Initiation of spermatogenesis 
B)  Development of secondary male sex characteristics 
C)  Regulation of metabolism 
D)  Inhibition of secretion of gonadotropins 
A)  Initiation of spermatogenesis 
B)  Development of secondary male sex characteristics 
C)  Regulation of metabolism 
D)  Inhibition of secretion of gonadotropins

Question 7

A high sperm count is necessary for fertilization because the outer layer of the ovum needs to be digested and requires more than one sperm.

Accepted Answer

A) True 
 B)False

Question 8

In the male,the urethra is:

Accepted Answer

A)  involved in the reproductive system. 
B)  involved in the urinary system. 
C)  classified as a genital duct. 
D)  all of the above. 
A)  involved in the reproductive system. 
B)  involved in the urinary system. 
C)  classified as a genital duct. 
D)  all of the above.

Question 9

Describe methods used to detect prostate cancer.Why is it important for adult men to have regular prostate examinations?

Accepted Answer

There are several methods used to detect

Question 10

Each epididymis consists of a single,tightly coiled tube enclosed in a fibrous casing.

Accepted Answer

A) True 
 B)False

Question 11

Testosterone plays a part in fluid and electrolyte balance.It stimulates the kidneys to excrete sodium.

Accepted Answer

A) True 
 B)False

Question 12

Sperm carry DNA in a structure called the acrosome.

Accepted Answer

A) True 
 B)False

Question 13

The tight junctions of the blood-testes barrier prevent the autoimmune reaction against sperm cells.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following cells contain 46 chromosomes?

Accepted Answer

A)  Sperm cells 
B)  Primary spermatocytes 
C)  Secondary spermatocytes 
D)  Spermatids 
A)  Sperm cells 
B)  Primary spermatocytes 
C)  Secondary spermatocytes 
D)  Spermatids

Question 15

Which of the following is not a secreting gland in the male reproductive system?

Accepted Answer

A)  Seminal vesicle 
B)  Bulbourethral gland 
C)  Prostate gland 
D)  All of the above are secreting glands in the male reproductive system 
A)  Seminal vesicle 
B)  Bulbourethral gland 
C)  Prostate gland 
D)  All of the above are secreting glands in the male reproductive system

Question 16

Sexual maturity and the ability to reproduce occur at puberty.

Accepted Answer

A) True 
 B)False

Question 17

Testosterone:

Accepted Answer

A)  inhibits the anterior pituitary secretion of FSH and LH. 
B)  helps regulate metabolism and stimulates protein anabolism. 
C)  promotes kidney tubule secretion of potassium. 
D)  does all of the above. 
A)  inhibits the anterior pituitary secretion of FSH and LH. 
B)  helps regulate metabolism and stimulates protein anabolism. 
C)  promotes kidney tubule secretion of potassium. 
D)  does all of the above.

Question 18

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 19

The fructose found in the liquid secreted by the seminal vesicles serves as an energy source for sperm motility after ejaculation.

Accepted Answer

A) True 
 B)False

Question 20

Each testis is divided into 50 or 60 cone-shaped lobules.

Accepted Answer

A) True 
 B)False

Exam 34: Male Reproductive System

In spermatozoa,a helical arrangement of mitochondria is located in the:

Cells of Leydig produce both sperm and testosterone.

The tunica vaginalis is a serous membrane that surrounds the testes.

Which of the following is true of the essential organ in the reproductive system?

Explain why millions of sperm must be released for fertilization to occur even though usually only one sperm fertilizes an ovum.

Which of the following is not a function of testosterone?

A high sperm count is necessary for fertilization because the outer layer of the ovum needs to be digested and requires more than one sperm.

In the male,the urethra is:

Describe methods used to detect prostate cancer.Why is it important for adult men to have regular prostate examinations?

Each epididymis consists of a single,tightly coiled tube enclosed in a fibrous casing.

Testosterone plays a part in fluid and electrolyte balance.It stimulates the kidneys to excrete sodium.

Sperm carry DNA in a structure called the acrosome.

The tight junctions of the blood-testes barrier prevent the autoimmune reaction against sperm cells.

Which of the following cells contain 46 chromosomes?

Which of the following is not a secreting gland in the male reproductive system?

Sexual maturity and the ability to reproduce occur at puberty.

Testosterone:

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

The fructose found in the liquid secreted by the seminal vesicles serves as an energy source for sperm motility after ejaculation.

Each testis is divided into 50 or 60 cone-shaped lobules.

A: Organization of the Body

B: Organization of the Body

A: The Chemical Basis of Life

B: The Chemical Basis of Life

A: Anatomy of Cells

B: Anatomy of Cells

Physiology of Cells

Cell Growth and Reproduction

Tissues

A: Skin and Its Appendages

B: Skin and Its Appendages

A: Skeletal Tissues

B: Skeletal Tissues

Skeletal System

A: Articulations

B: Articulations

A: Anatomy of the Muscular System

B: Anatomy of the Muscular System

A: Physiology of the Muscular System

B: Physiology of the Muscular System

A: Nervous System Cells

B: Nervous System Cells

A: Central Nervous System

B: Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

A: Sense Organs

B: Sense Organs

Endocrine System

Endocrine Glands

Blood

Anatomy of the Cardiovascular System

A: Physiology of the Cardiovascular System

B: Physiology of the Cardiovascular System

Lymphatic System

A: Immune System

B: Immune System

Stress

Anatomy of the Respiratory System

A: Physiology of the Respiratory System

B: Physiology of the Respiratory System

A: Anatomy of the Digestive System

B: Anatomy of the Digestive System

A: Physiology of the Digestive System

B: Physiology of the Digestive System

A: Nutrition and Metabolism

B: Nutrition and Metabolism

A: Urinary System

B: Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

A: Female Reproductive System

B: Female Reproductive System

A: Growth and Development

B: Growth and Development

A: Genetics and Heredity

B: Genetics and Heredity

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