exam 3 innervations

Question 1

lower intercostal n. t7-t11, subcostal n. t12 ant rami

Answer 1

external oblique,
rectus abdominis,

Question 2

lower intercostal t7-t11, subcostal n t12, anterior rami L1

Answer 2

INTERNAL OBLIQUE
TRANSVERSE ABDOMINIS

Question 3

ANTERIOR RAMI T12-L4

Answer 3

QUADRATUS LUMBORUM

Question 4

NERVE TO LEVATOR ANI S4, INF rectal n. s2-s4, coccygeal plexus s4-Co

Answer 4

PUBORECTALIS,
pubococcygeus,
iliococcygeus,

Question 5

s4-s5 anterior rami

Answer 5

coccygeus

Question 6

deep branch of perineal n. (branch of pudendal n. s2-s4)

Answer 6

1. superficial transverse perineal m. (male and female);
2. female ischiocavernosus m
3. female bulbospongiosus m
4. male ischiocavernosus
5. male bulbospongiosus m.

Question 7

iliohypogastric and ilioinguinal n.

Answer 7

branches of ant rami L1
sensory from skin of inguinal region and lower hypogastric (pubic)

Question 8

ilioinguinal nerve does what

Answer 8

sensory from skin of anterior scrotum or labia majora, mons pubis, and upper medial thigh

Question 9

spinal levels of genitofemoral n and what it supplies

Answer 9

L1-L2
genital branch; sensory from skin of anterior scrotum or labia majora
femoral branch– sensory from skin of upper ant thigh

Question 10

spinal levels of lateral cutaneous nerve of thigh

Answer 10

l2-l3

Question 11

spinal levels of femoral n and obturator n

Answer 11

l2-l4

Question 12

spinal levels of lumbosacral trunk

Answer 12

l4-l5

Question 13

branches of pudendal n. s2-s4

Answer 13

1. inferior rectal n.
2. dorsal n of penis/clitoris
3. perineal n (superior and deep branch)