Deck 25: Penile and Scrotal Ultrasound

Question 1

The epididymis empties into the

A) urinary bladder.
B) ductus deferens.
C) testis.
D) seminal vesicles.

Answer 1

B
The epididymis empties into the ductus deferens, which eventually follows along the lateral aspect of the urinary bladder, turning medially and posteriorly to connect with the seminal vesicles.

Question 2

The testes are classified as

A) endocrine and seminal glands.
B) exocrine and seminal glands.
C) exocrine and endocrine glands.
D) none of the above.

Answer 2

C
The testes are endocrine glands, producing testosterone, and exocrine glands, producing spermatozoa.

Question 3

Testicular parenchyma on ultrasound is

A) homogeneous.
B) heterogeneous.
C) anechoic.
D) mixed solid appearance.

Answer 3

A
The testicular parenchyma is homogeneous, containing medium level echoes similar in echogenicity to the thyroid gland.

Question 4

What is the echogenicity of the tunica albuginea?

A) Low level echoes
B) Medium level echoes
C) High echogenicity
D) It cannot be identified on ultrasound.

Question 5

The scrotum consists of the

A) testicles
B) testicles and epididymus
C) testicles, epididymis, and distal vas deferens
D) testicles, epididymis, and proximal vas deferens

Question 6

What is the echogenicity of the septum penis?

A) Low level echoes
B) Medium level echoes
C) High echogenicity
D) It cannot be identified on ultrasound.

Question 7

About 60% of semen is composed of

A) spermatozoa produced by the testes.
B) alkaline fluid rich in fructose, produced by the seminal vesicles.
C) acidic fluid rich in fructose, produced by the seminal vesicles.
D) alkaline fluid rich in fructose, produced by the testes.

Question 8

What is the echogenicity of the epididymis?

A) Low level echoes
B) Medium level echoes
C) High echogenicity
D) It cannot be identified on ultrasound.

Question 9

What is the echogenicity of the cavernosal arterial walls?

A) Low level echoes
B) Medium level echoes
C) High echogenicity
D) They cannot be identified on ultrasound.

Question 10

What is the echogenicity of the mediastinum testis?

A) Low level echoes
B) Medium level echoes
C) High echogenicity
D) It cannot be identified on ultrasound.

Question 11

What is the echogenicity of the corpora cavernosa?

A) Low level echoes
B) Medium level echoes
C) High echogenicity
D) They cannot be identified on ultrasound.

Question 12

The epididymis is connected to which portion of the testis?

A) Superior
B) Inferior
C) Medial
D) Lateral

Question 13

Spermatozoa exit the testis through the

A) tail of the epididymis.
B) efferent ducts.
C) body of the epididymis.
D) head of the epididymis.

Question 14

The penis is composed of

A) two corpora spongiosa midventrally and one corpus cavernosum dorsolaterally.
B) two corpora spongiosa dorsolaterally and one corpus cavernosum midventrally.
C) two corpora cavernosa dorsolaterally and one corpus spongiosum midventrally.
D) two corpora cavernosa midventrally and one corpus spongiosum dorsolaterally.

Question 15

The median raphe divides the

A) testicle into 200 to 300 lobules.
B) tunica vaginalis from the tunica albuginea.
C) tunica dartos from the cremaster muscle.
D) scrotum into two testicles.

Question 16

The main arterial blood supply of the penis includes the

A) deep artery of the penis, bulbourethral artery, dorsal artery, and pampiniform plexus arteries.
B) superficial dorsal artery, deep dorsal artery, and deep artery of the penis.
C) deep artery of the penis, bulbourethral artery, and dorsal artery.
D) deep artery of the penis, dorsal artery, and deep dorsal artery.

Question 17

In an adult, testicular volume is _____, and testicular weight is _____.

A) 5 ml; 2 to 3 g
B) 10 ml; 4 to 5 g
C) 15 ml; 8 to 10 g
D) 25 ml; 10 to 15 g

Question 18

What is the echogenicity of the corpus spongiosum?

A) Low level echoes
B) Medium level echoes
C) High echogenicity
D) It cannot be identified on ultrasound.

Question 19

What is the echogenicity of the spermatic cord?

A) Low level echoes
B) Medium level echoes
C) High echogenicity
D) It cannot be identified on ultrasound.

Question 20

Convoluted seminiferous tubules connect to straight tubules, which empty into the

A) mediastinum testis.
B) tunica albuginea.
C) spermatogenesis.
D) rete testis.