NBME

Question 1

Location of multipolar neurons

Answer 1

Ventral, lateral an dorsal horns, and sympathetic chain ganglia contain multipolar neurons

Question 2

Unipolar or pseudounipolar neuron location

Answer 2

dorsal root galglia

Question 3

DRG has synapses or no?

Answer 3

NO

Question 4

waiters tip hand results from:

Answer 4

damage to upper trunk

Question 5

Cause of winged scapula

Answer 5

paralysis of the serratus anterior m. Damage to the long thoracic nerve which arises from the roots of the brachial plexus (c5-c7)

Question 6

Action of pec minor

Answer 6

Action of pec minor

drawing scapula down and forward

Question 7

Innervation of pec minor

Answer 7

medial and lateral pectoral nerves that arise from the medial and lateral cords of the brachial plexus. Not attached to clavicle

Question 8

Intercostobrachial nerve arises from:

Answer 8

lateral cutaneous branch of the second intercostal nerve.

Question 9

Intercostobrachial nerve supplies what:

Answer 9

Skin on the medial side of the arm, no motor fibers.

Question 10

Ape hand

Answer 10

a hand with the thumb permanently extended due to injury to the median nerve.

Question 11

wrist drop

Answer 11

inability to flex the wrist due to damage of the radial nerve

Question 12

waiter’s tip hand

Answer 12

from damage to the upper trunk of the brachial plexus.

Question 13

Palmar or dorsal - which interosseous muscles does the middle finger lack?

Answer 13

palmar, you can’t adduct the middle finger

Question 14

Attachment points of intrinsic muscles of the hand-thenar

Answer 14

Opponens pollicis - 1st metacarpal. All the rest on the proximal phalanges

Question 15

Ulnar bursa contains

Answer 15

tends of the FDS and FDP

Question 16

Radial bursa contains

Answer 16

flexor pollicis longus.

Question 17

What innervates deltoid?

Answer 17

axillary nerve

Question 18

What innervates supraspinatus muscle?

Answer 18

suprascapular nerve

Question 19

Floor of the cubital fossa

Answer 19

Supinator and brachialis mm

Question 20

Supinatory innervation

Answer 20

Radial n

Question 21

Muscles innervated by anterior interosseous n. (branch of median n)

Answer 21

(branch of median n)

flexor policis longus, half of flexor digitorum profundus, and pronator quadratus

Question 22

innervation of interosseous muscles, palmar and dorsal

Answer 22

ulnar n.

Question 23

4 muscles of the rotator cuff

Answer 23

Supraspinatus
Infraspinatus
Teres minor
Subscapular

Question 24

Axillary nerve supplies

Answer 24

deltoid and teres minor, lateral rotators of the humerus. Arises from posterior cord.

Question 25

What muscle(s) insert(s) onto the lesser tubercle of the humerus?

Answer 25

subscapularis

Question 26

What muscle(s) insert(s) onto the greater tubercle of the humerus?

Answer 26

supraspinatus, infraspinatus, and teres minor

Question 27

Which muscle associated with the thumb is innercated by the ulnar nerve?

Answer 27

Adductor pollicis.

Question 28

Function of the lateral horn:

Answer 28

between t1 and l2, contains cell bodies of sympathetic preganglionic fibers.

Question 29

Greater saphenous vein - deep or superficial to fascia lata?

Answer 29

superficial

Question 30

Most of the blood supply to the hip joint comes from:

Answer 30

the medial fomoral circumflex artery