Sacrococcygeal Flashcards Preview

PNS > Sacrococcygeal > Flashcards

Flashcards in Sacrococcygeal Deck (13):
0

Name the nerve which pierces the sacrotuberous ligament.

perforating cutaneousnerve of 2 and 3 sacral ventral ramus anococcygeal of coccygeal plexus

1

The pudendal nerve arises from the ventral division of?

S2 - S4

2

Name the roots of the pudendal nerve.

Inferior rectal nerve, perineal nerve, & dorsal nerve of the penis

3

Which of the following nerves passes through the lesser sciatic foramen?
A. Superior gluteal nerve
B. Pudendal nerve
C. Inferior gluteal nerve
D. Obturator nerve

B. Pudendal nerve

4

Name the nerve which passes through the lesser sciatic foramen into the pudendal canal.

Pudendal Nerve, ¿Inferior rectal nerve?

5

The pudendal nerve gives off following branches, Except;
a. posterior scrotal or labial nerve
b. inferior rectal nerve
c. perineal nerve
d. dorsal nerve of the penis.

a. posterior scrotal or labial nerve

6

Which of the following nerves is not a direct branch of the pudendal nerve?
A. Inferior rectal nerve
B. Dorsal nerve of the penis
C. posterior scrotal or labial nerve
D. Perineal nerve

C. posterior scrotal or labial nerve

7

Muscular branches of the perineal nerve innervate following muscles, Except;
a. bulbospongiosus
b. sphincter urethrae
c. posterior of the external ani sphincter
d. dorsal nerve of the clitoris.

c. posterior of the external ani sphincter (correct is anterior)

8

Which of the following structures is not supplied by the muscular branches of theperineal nerve?
A. Transversus perinei superficialis
B. Obturator externus
C. Bulbospongiosus
D. Sphincter urethrae

B. Obturator externus

9

Name the nerve which innervates the glans penis.

dorsal nerve of the penis of the pudendal nerve

10

Name the nerve which passes through the hiatus between the urogenital diaphragmand the inferior pubic ligament.

dorsal nerve of the penis of pudendal nerve

11

The pudendal nerve can be blocked by injection with a local anesthetic application towards the ischial spin, through the _____?

vaginal wall towards the ischial spine

12

Which of the following nerves emerges from the sacral hiatus with the filum terminalis externus?
A. Lesser splanchnic nerve
B. Fourth sacral ventral ramus
C. Coccygeal ventral ramus (S5 ventral ramus)
D. Anococcygeal nerve

C. Coccygeal ventral ramus (S5 ventral ramus)