regional APEX

Question 1

lumbar plexus

Answer 1

L1-L4 (+T12 in 50%)

Question 2

lateral femoral cutaneous

Answer 2

L2-L3 (posterior divisions)

Question 3

obturator

Answer 3

L2-L4 (anterior divisions)

Question 4

femoral

Answer 4

L2-L4 (posterior divisions)

Question 5

saphenous nerve arises from

Answer 5

posterior branch of femoral nerve

Question 6

sacral plexus

Answer 6

L4-S3(S4)

Question 7

6 nerves of the lumbar plexus

Answer 7

iliohypogastric
ilioinguinal
genitofemoral
obturator
lateral femoral cutaneous
femoral

Question 8

5 nerves of the sacral plexus

Answer 8

superior gluteal
inferior gluteal
posterior femoral cutaneous
pudendal
sciatic

Question 9

sciatic nerve

Answer 9

L4-S3

Question 10

tibial nerve

Answer 10

L4-S3 (anterior)

Question 11

common peroneal/fibular

Answer 11

L4-S3 (posterior)

Question 12

1 branch of tibial nerve

Answer 12

posterior tibial

Question 13

3 branches of common peroneal/fibular

Answer 13

SP
DP
sural

Question 14

5 nerves of the ankle/foot

Answer 14

saphenous*
sural
DP
SP
PT

Question 15

hip flexion + rotation (lateral)

knee extension + slight flexion

Answer 15

femoral

Question 16

hip extension

knee flexion

Answer 16

sciatic

Question 17

hip ADduction + flexion + extension

Answer 17

obturator

Question 18

anal sphincter tone

Answer 18

pudendal

Question 19

plantarflexion
ABduction of toe
extension
flexion

Answer 19

tibial

Question 20

dorsiflexion
INversion

Answer 20

deep peroneal

Question 21

EVersion

Answer 21

superficial peroneal

Question 22

3 sensory only peripheral nerves

Answer 22

lateral femoral cutaneous
saphenous
sural

Question 23

lateral pectoral nerve

Answer 23

C5-C7

pec major

Question 24

medial pectoral nerve

Answer 24

C8-T1

pec minor
(lower pec major)

Question 25

long thoracic nerve

Answer 25

C5-C7 chest wall, superficial to serratus anterior

Question 26

thoracodorsal nerve

Answer 26

C6-C8 lattisimus dorsi

Question 27

thoracic intercostal nerve

Answer 27

T1-T6 (ventral rami of spinal nerves) chest, breast, intercostal muscles

Question 28

PEC 1 block

Answer 28

pec minor pec major medial pectoral nerve lateral pectoral nerve

Question 29

PEC 2 block

Answer 29

pec minor pec major medial pectoral nerve lateral pectoral nerve pec minor serratus anterior thoracic intercostals long thoracic

Question 30

serratus anterior block

Answer 30

serratus anterior latissimus dorsi thoracic intercostals long thoracic thoracodorsal*