Nerves

Question 1

sensory and postsymp to pericardium and central tendon

Answer 1

phrenic nerve (c3-5)

Question 2

motor and post symp innervation to diaphragm

Answer 2

phrenic nerve (c3-5)

Question 3

sensory, postsymp, and motor innervation to back muscles and overlying skin

Answer 3

medial branch of dorsal rami thoracic spinal nerves
lateral branch of dorsal rami of thoracic spinal nerves

medial branch of dorsal rami of lumbar nerves
lateral branch of dorsal rami of lumbar nerves

Question 4

sensory, postsymp and motor innervation to intercostal muscles, parietal pleura and skin

Answer 4

intercostal (t1-6) of ventral rami

Question 5

sensory and postsymp innervation of skin overlying aspect of intercostal space

Answer 5

lateral cutaneous branch of the intercostal nerve of ventral rami

Question 6

sensory and postsymp innervation of skin overlying anterior aspect of intercostal space

Answer 6

anterior cutaneous branch of the intercostal nerve of the ventral rami

Question 7

sensory and postsymp innervation of skin overlying proximal, medial aspect of the arm

Answer 7

intercostobrachial (t2 only) of the intercostal nerve of the ventral rami

Question 8

sensory and postsymp innervation to the intercostal muscles, anterior abdominal muscles, peripheral diaphragm, parietal pleura & parietal perineum

motor innervation of intercostal muscles and muscles of the anterior abdominal wall

Answer 8

intercostal n (t7-11) of ventral rami

Question 9

sensory and postsymp innervation of skin overlying lateral aspect of intercostal space and anterior abdominal wall

Answer 9

lateral cutaneous branch of intercostal n (t7-11) of ventral rami

Question 10

sensory and postsymp innervation of skin overlying rectus abdominis muscle

Answer 10

anterior cutaneous branch of intercostal n (t7-11)

Question 11

sensory and postsymp innervation to skin overlying lateral and anterior abdominal wall, parietal peritoneum &muscles of anterior abdominal wall

motor innervation of muscles of anterior abdominal wall

Answer 11

subcostal nerve (t12)

Question 12

sensory and postsymp innervation of skin overlying anterior abdominal wall

sensory, postsymp, and motor innervation of muscles of anterior abdominal wall

Answer 12

iliohypogastric nerve (l1)

Question 13

sensory and postsymp innervation of skin overlying proximomedial thigh, root of penis and scrotum or mons pubis and labium majorum

sensory, postsymp, and motor innervation of muscles of the anterior abdominal wall

Answer 13

ilioinguinal nerve (l1)

Question 14

sensory and postsymp innervation of skin overlying part of labium majorum or scrotum

sensory, postsymp, and motor innervation of cremaster muscle

Answer 14

genital branch of the genitofemoral nerve (l1-2)

Question 15

sensory, postsymp innervation of skin overlying femoral triangle

Answer 15

femoral branch of genitofemoral nerve (l1-2)

Question 16

sensory and postsymp innervation of skin overlying lateral aspect of thigh

Answer 16

lateral cutaneous nerve of the thigh

Question 17

sensory, postsymp and motor innervation of psoas and quadratus lumborum muscles

Answer 17

muscular branches of ventral rami of lumbar nerves

Question 18

sensory and postsymp innervation of skin overlying part of gluteus maximus

Answer 18

gluteal branch of posterior femoral cutaneous n

Question 19

sensory and postsymp innervation of skin overlying part of posterior aspect of perineum

Answer 19

perineal branch of posterior femoral cutaneous n

Question 20

sensory and postsymp innervation of the skin overlying the anus

sensory, postsymp, motor innervation of the external anal sphincter

Answer 20

inferior rectal nerve of pudendal n (s2-4)

Question 21

sensory postsymp and pre para innervation of corpus spongiosum or bulb of vestibule

sensory and postsymp innervation of spongy urethra

sensory, postsymp and motor innervation of the perineal muscles

Answer 21

muscular branch of perineal n (of pudendal n s2-4)

Question 22

sensory and postsymp innervation of skin overlying the labia majora and minora, lower vagina and urethra or scrotum

Answer 22

posterior labial or scrotal branches of perineal nerve (of pudendal n s2-4)

Question 23

sensory and postsymp innervation of skin overlying the penis or clitoris

sensory, postsymp, and pre para innervation to the corpus cavernosum

Answer 23

dorsal nerve of clitoris or penis of pudendal n s2-4