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Human Anatomy, 6/e
Kent Van De Graaff, Weber State University

Male Reproductive System

Feedback Multiple Choice Quiz

Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.



1

Which of the following statements is not true regarding sexual reproduction? (698)
A)It provides for genetic diversity through genetic recombination.
B)It eliminates changes in the gene pool.
C)It requires the production of two types of gametes.
D)It requires two distinct body forms within the species.
E)It is beneficial to a population.
2

The primary sex organs (698)
A)are those structures that are externally visible
B)produce the gametes and sex hormones
C)include the testes and penis
D)are sexual attractants
3

The secondary sex organs (698)
A)are those organs that differ in males and females
B)produce the gametes and sex hormones
C)regulate meiosis
D)are essential in caring for and transporting gametes
E)are functional at birth
4

Which of the following statements concerning the scrotum is false? (700)
A)It is located within the perineum.
B)It is partially subdivided into two compartments by a fibrous septum.
C)Its external appearance varies depending on environmental conditions.
D)It supports, protects, and regulates the position of the testes.
5

Which of the following contract(s) in response to temperature changes? (700)
A)perineal raphe
B)dartos muscle
C)median septum
D)cremaster muscle
E)both b and d
6

The temperature of the testes is maintained at about (700)
A)35°C
B)37°C
C)40°C
D)42°C
7

The seminiferous tubules function to (702)
A)nourish spermatids
B)produce spermatozoa
C)store mature sperm
D)produce steroids
E)both a and b
8

The interstitial cells (cells of Leydig) (703)
A)nourish spermatids
B)produce testosterone
C)produce spermatozoa
D)secrete alkaline fluid
E)both b and d
9

Which of the following is the correct sequence regarding production and passage of spermatozoa? (703)
A)interstitial cells, efferent ductules, ampulla, and epididymis
B)interstitial cells, rete testis, epididymis, and ampulla
C)seminiferous tubules, rete testis, efferent ductules, and epididymis
D)seminiferous tubules, ampulla, efferent ductules, and ductus deferens
10

The structure of a spermatozoon includes all of the following except the (704)
A)cilia
B)acrosome
C)mitochondria
D)flagellum
E)nucleus
11

The life expectancy of healthy spermatozoa ejaculated into the vagina is (705)
A)24 to 48 hours
B)48 to 72 hours
C)3 to 4 days
D)5 days
12

All of the following are spermatic ducts except the (707)
A)epididymis
B)urethra
C)ductus deferens
D)ejaculatory duct
13

Which of the following is characteristic of the ductus deferens? (707)
A)It extends from the testis to the prostate.
B)It secretes glucose to keep the sperm viable.
C)It conveys sperm from the epididymis to the ejaculatory duct.
D)It is totally empty except during the brief periods of ejaculation.
E)All of the above.
14

Spermatozoa are stored prior to ejaculation in the (707)
A)epididymides
B)seminal vesicles
C)ductus deferentia
D)ejaculatory ducts
E)both a and c
15

Which of the following is (are) not part of the spermatic cord? (707)
A)ductus deferens
B)ejaculatory duct
C)testicular artery
D)testicular venous plexus
E)cremaster muscle
16

The passageway through which the spermatic cord traverses to enter the pelvic cavity is called the (708)
A)testicular fossa
B)inguinal canal
C)femoral ring
D)pelvic canal
E)gubernaculum
17

Which of the following is the correct sequence of the paired-duct system for passage of spermatozoa during emission? (707)
A)epididymides, ductus deferentia, and ejaculatory ducts
B)epididymides, ejaculatory ducts, and ductus deferentia
C)ductus deferentia, epididymides, and ejaculatory ducts
D)ductus deferentia, ejaculatory ducts, and epididymides
18

Which of the following organs is not an accessory gland of the male reproductive system? (708)
A)prostate
B)seminal vesicle
C)glans penis
D)bulbourethral gland
19

Semen is a mixture of fluids from the (708)
A)seminal vesicles and the prostate
B)bulbourethral gland and the prostate
C)accessory glands and the glans penis
D)ejaculatory ducts and the prostate
20

Which of the following relationships between structure and location is incorrect? (708)
A)The seminal vesicle is posterior to and at the base of the urinary bladder.
B)The ejaculatory duct is located at the base (crus) of the penis.
C)The prostate is below the urinary bladder and surrounds the beginning portion of the urethra.
D)The bulbourethral gland is inferior to the prostate.
E)None of the above
21

Which of the following is a function of the urethral glands? (709)
A)secretion of mucus
B)secretion of fructose
C)secretion of hormones
D)regulation of spermatogenesis
E)regulation of the pH of semen
22

The bulb and crus of the penis are located within the (710)
A)glans
B)corona glandis
C)body
D)prepuce
E)root
23

Which of the following statements concerning the penis is false? (710)
A)It is attached proximally to the pubic arch.
B)It contains two columns of erectile tissue.
C)Its skin is loosely attached and retractable over the glans penis.
D)Its root contains the bulbospongiosus muscle.
E)It is positioned in the urogenital triangle of the perineum.
24

Which of the following relationships between structure and location is incorrect? (711)
A)The prepuce is a retractable sheath of skin covering the glans penis.
B)The external urinary meatus is at the tip of the glans penis.
C)The septum penis separates the two columns of corpora spongiosum.
D)The crus and bulb of the penis are located proximally within the root.
25

Erection of the penis (712)
A)occurs only when a man is sexually aroused
B)is under hormonal control
C)is necessary for ejaculation to occur
D)is a parasympathetic response
E)both c and d
26

Erection is neurologically controlled by the (712)
A)hypothalamus and sacral portion of the spinal cord
B)cerebrum and hypothalamus
C)genital sensory receptors and cerebrum
D)vagus and sacral nerves
27

A normal ejaculate contains (714)
A)10 million spermatozoa per milliliter
B)60-150 million spermatozoa per milliliter
C)250-400 million spermatozoa per milliliter
D)500 million spermatozoa per milliliter
28

The sexual identity of a fetus is determined at (716)
A)birth
B)10 weeks
C)the second trimester
D)conception
E)8 weeks
29

Male external genitalia develop due to the presence of (716)
A)gametes
B)androgens
C)a prostate
D)the phallus
E)seminal vesicles
30

The first sign of gonadal development is the appearance of a (716)
A)Y chromosome
B)primary sex cord
C)gonadal ridge
D)genital tubercle
E)gubernaculum
31

All of the following arise from the embryonic mesonephric duct except the (716)
A)epididymis
B)ductus deferens
C)seminal vesicle
D)prostate
32

Sexual distinction of the external genitalia becomes apparent by the end of the (716)
A)embryonic period
B)sixth week
C)seventh week
D)ninth week
E)twelfth week
33

The scrotum forms from the (716)
A)primary sex cords
B)genital tubercle
C)gubernaculum
D)labioscrotal swellings
E)urogenital sinus
34

A person who has a 46 XY chromosome constitution and male gonads but intersexual and undifferentiated genitalia has the condition of (714)
A)pseudohermaphroditism
B)cryptorchidism
C)Klinefelter's syndrome
D)varicocele
E)Turner' s syndrome
35

A person with Klinefelter's syndrome has (715)
A)genotype XO
B)45 chromosomes
C)an extra Y chromosome
D)an XXY chromosome constitution
E)none of the above
36

The incomplete descent of a testis is known as (720)
A)impotence
B)sterility
C)orchitis
D)varicocele
E)cryptorchidism
37

In which of the following conditions would the male produce viable spermatozoa? (715)
A)true hermaphroditism
B)pseudohermaphroditism
C)cryptorchidism
D)Turner's syndrome
E)Klinefelter's syndrome
38

Which of the following is not a cause of infertility? (715)
A)vasectomy
B)varicocele
C)alcoholism
D)impotence
E)excessive heat
39

Ligation (tying) of the ductus deferentia interferes directly with (720)
A)ejaculation
B)testosterone secretion
C)fertility
D)erection capability
E)all of the above