Male Reproductive System

Question 1

Sac of skin and superficial fascia posterior to the penis that contains the testes.

Answer 1

Scrotum

Question 2

Bands of skeletal muscle extending from the internal obliques that elevate the testes.

Answer 2

Cremaster muscle

Question 3

Smooth muscle in the superficial fascia layer that wrinkles the skin of the scrotum.

Answer 3

Dartos muscle

Question 4

The male gonad; organ in which sperm are produced.

Answer 4

Testes

Question 5

Serous sac around the testes that develops from the peritoneum.

Answer 5

Tunica vaginalis

Question 6

The white, fibrous capsule of the testes.

Answer 6

Tunica albuginea

Question 7

Coiled tubes within the testes that are the actual site of sperm formation.

Answer 7

Seminiferous tubules

Question 8

Complex network of branching tubes in the posterior testes which leads to the efferent ductules.

Answer 8

Rete testis

Question 9

Cells in one of the stages of spermatogenesis that will ultimately become sperm.

Answer 9

Spermatogenic cells

Question 10

Large cells that support and nurture the sperm-forming cells; also called Sertoli cells.

Answer 10

Sustentacular cells

Question 11

Cells located in the spaces between the seminiferous tubules which secrete male sex hormones.

Answer 11

Interstitial cells

Question 12

Why must the temperature in the testes be kept around 95°F (34°C)?

Answer 12

This is needed for viable sperm production.

Question 13

Which term refers to failure of one or both testes to descend?

Answer 13

cryptorchidism

Question 14

A haploid cell (n) formed at the end of the first meiotic division.

Answer 14

Secondary spermatocyte

Question 15

When this cell divides it replaces itself and makes a cell that enters meiosis I.

Answer 15

Spermatogonium

Question 16

These are the immature cells formed at the end of meiosis II.

Answer 16

Spermatid

Question 17

Diploid cells (2n) that enter meiosis I.

Answer 17

Primary spermatocyte

Question 18

Haploid cells are formed as the product of:

Answer 18

meiosis I and meiosis II

Question 19

Type B daughter cells (which have 46 chromosomes) are formed from spermatogonia by what process?

Answer 19

mitosis

Question 20

Where does the process of spermatogenesis take place?

Answer 20

seminiferous tubules

Question 21

Which statement about spermiogenesis is FALSE?

Answer 21

causes spermatozoa to mature into spermatids

Question 22

The sex cells, i.e. the sperm in males and ovum in females, are referred to as:

Answer 22

gametes

Question 23

Tubes that carry sperm from the rete testis to the epididymis.

Answer 23

Efferent ductules

Question 24

Comma-shaped organ that arches over the posterior and lateral sides of each testis.

Answer 24

Epididymis

Question 25

The long tube that carries sperm from the tail of the epididymis to the area behind the bladder.

Answer 25

Ductus deferens

Question 26

Tube formed from the junction of the ductus deferens and the duct from the seminal vesicle that runs through the prostate gland.

Answer 26

Ejaculatory duct

Question 27

A column of fascia that extends from the scrotum through the inguinal canal and contains the ductus deferens, testicular vessels and nerves.

Answer 27

Spermatic cord

Question 28

Portion of the urethra that receives sperm and secretions from the ejaculatory duct.

Answer 28

Prostatic urethra

Question 29

Portion of the urethra located in the penis.

Answer 29

Spongy (penile) urethra

Question 30

Portion of the urethra located in the urogenital diaphragm.

Answer 30

Membranous urethra

Question 31

Travel of sperm

Answer 31

Seminiferous tubules--> Rete testis --> Efferent ductules --> Epididymis--> Ductus deferens --> Ejaculatory duct --> Prostatic urethra --> Membranous urethra --> Spongy (penile) urethra

Question 32

A pair of glands in the urogenital diaphragm.

Answer 32

bulbourethral glands

Question 33

A pair of glands located posterior to the base of the bladder.

Answer 33

seminal vesicles

Question 34

A single gland located inferior to the bladder.

Answer 34

prostate

Question 35

Its secretion makes up 60% of the volume of semen.

Answer 35

seminal vesicles

Question 36

Its secretion makes up about 33% of the volume of semen.

Answer 36

prostate

Question 37

Its secretion is released prior to ejaculation to neutralize traces of acid in the urethra and lubricate the tip of the penis.

Answer 37

bulbourethral glands

Question 38

Its secretion helps nourish sperm and may stimulate contractions in the uterus and uterine tubes.

Answer 38

seminal vesicles

Question 39

Their secretions assist sperm motility and have enzymes that clot and liquefy ejaculated semen.

Answer 39

prostate and seminal vesicles

Question 40

Which statement is correct concerning the penis?

Answer 40

Blood accumulates in the erectile tissue during sexual stimulation.

Question 41

What is the expanded distal end of the penis called?

Answer 41

glans penis

Question 42

The cuff of skin around the glans penis in an uncircumcised male is the:

Answer 42

prepuce

Question 43

Exists as a single column

Answer 43

corpus spongiosum

Question 44

One of the pair of columns.

Answer 44

corpus cavernosum

Question 45

A dorsal column.

Answer 45

corpus cavernosum

Question 46

A ventral column.

Answer 46

corpus spongiosum

Question 47

Forms the crura.

Answer 47

corpus cavernosum

Question 48

Forms the bulb.

Answer 48

corpus spongiosum

Question 49

Forms the glans penis.

Answer 49

corpus spongiosum

Question 50

Encircles the urethra.

Answer 50

corpus spongiosum

Question 51

Which stage of sperm ejection is controlled by the parasympathetic system?

Answer 51

erection

Question 52

Which stage of sperm ejection is controlled by the sympathetic system?

Answer 52

ejaculation