Random

Question 1

What nerve runs between extensor carpi radialis longus and extensor carpi radialis brevis?

Answer 1

superficial branch of radial nerve

Question 2

True or False. ECRL and ECRB have different innervations

Answer 2

True
ECRL –> radial nerve
ECRB –> deep branch of radial nerve

Question 3

What is the last muscle innervated by deep branch of radial nerve distally?

Answer 3

supinator

Question 4

What does the deep branch of radial nerve become past the supinator?

Answer 4

posterior interosseous nerve

Question 5

What three tendons make up the snuff box?

Answer 5

extensor pollicis brevis/ abductor pollicis longus (both of these are traveling together - lateral)
extensor pollicis longus (medial)

Question 6

What artery can be found inside the snuff box?

Answer 6

radial artery

Question 7

What nerve can be seen traversing the snuff box?

Answer 7

superficial branch of radial nerve

Question 8

Which two digits have their own extensors?

Answer 8

digits 2 and 5 (rocker hand)

Question 9

Which two muscles of posterior forearm is innervated by radial nerve?

Answer 9

brachioradialis

extensor carpi radialis longus (ECRL)

Question 10

What four muscles of posterior forearm is innervated by posterior IO nerve?

Answer 10

ABLE
Abductor pollicis longus
extensor pollicis Longus
extensor pollicis Brevis
Extensor indicis

Question 11

What is located in the triangular interval (2)?

Answer 11

radial nerve

profunda brachii

Question 12

What bone can be seen within the snuff box?

Answer 12

scaphoid

Question 13

Which digit lacks middle phalanx?

Answer 13

thumb

Question 14

Which has more range of motion, ABduction or ADduction of wrist?

Answer 14

ADduction

Question 15

What artery does thoracodorsal artery anastomose with?

Answer 15

dorsal scapular a

Question 16

What artery does circumflex scapular artery anastomose with?

Answer 16

suprascapular a

Question 17

Branches of lateral cord from brachial plexus?

Answer 17

lateral pectoral n

Question 18

Branches of posterior cord from brachial plexus?

Answer 18

upper subscapular n
lower subscapular n
thoracodorsal n

Question 19

Branches of medial cord from brachial plexus?

Answer 19

medial pectoral n
medial brachial cutaneous n
medial antebrachial cutaneous n

Question 20

Branches of upper trunk from brachial plexus?

Answer 20

suprascapular n

n to subclavius

Question 21

What innervates serratus anterior?

Answer 21

long thoracic n (C5,6,7)

Question 22

What innervates latissimus dorsi?

Answer 22

thoracodorsal n (C6-C8)

Question 23

What innervates teres major?

Answer 23

lower subscapular n (C5,6)

Question 24

What innervates teres minor?

Answer 24

axillary n (C5,6)

Question 25

What innervates supraspinatus and infraspinatus?

Answer 25

suprascapular n (C5,6)

Question 26

What root levels are in posterior cord?

Answer 26

C5-C8

Question 27

What root levels are in medial cord?

Answer 27

C8, T1

Question 28

What root levels are in lateral cord?

Answer 28

C5-7

Question 29

What are all the muscles that are innervated by just C5,6?

Answer 29

``` All shoulder muscles: supraspinatus infraspinatus subscapularis teres minor deltoid teres major subclavius ```

Question 30

What are the muscles of rotator cuff?

Answer 30

supraspinatus infraspinatus teres minor subscapularis

Question 31

What artery anastomose with radial colalteral a?

Answer 31

radial recurrent a

Question 32

What artery anastomose with middle collateral a?

Answer 32

recurrent IO a

Question 33

What artery anastomose with superior ulnar collateral a?

Answer 33

posterior ulnar recurrent a

Question 34

What artery anastomose with inferior ulnar collateral a?

Answer 34

anterior ulnar recurrent a

Question 35

What two muscles lateral rotate scapula?

Answer 35

infraspinatus | teres minor

Question 36

What root levels are in musculocutaneous n?

Answer 36

C5 - C7

Question 37

What root levels are in median n?

Answer 37

C6 - T1

Question 38

What root levels are in ulnar n?

Answer 38

C8 and T1

Question 39

What root levels are in radial n?

Answer 39

C5 - C8

Question 40

What root levels are in axillary n?

Answer 40

C5 and C6

Question 41

What is found within the triangular space?

Answer 41

circumflex scapular a

Question 42

What is found within quadrangular space?

Answer 42

axillary n | posterior circumflex humeral a

Question 43

What is found within the triangular interval?

Answer 43

radial n | profunda brachii

Question 44

What are the borders to triangular space?

Answer 44

long head of triceps teres minor teres major

Question 45

What are the borders to quadrangular space?

Answer 45

surgical neck of humerus long head of triceps teres minor teres major

Question 46

What are the borders to triangular interval?

Answer 46

lateral head of triceps long head of triceps teres major

Question 47

Name the carpals (Some Lovers Try Positions That They Can't Handle)

Answer 47

``` Scaphoid Lunate Triquetrium Pisiform Trapezium Trapezoid Capitate Hamate ```

Question 48

What kind of joint is radio-carpal joint?

Answer 48

condyloid synovial

Question 49

What are the three bones that make up the radio-carpal joint?

Answer 49

radius scaphoid lunate

Question 50

What kind of joint is trapeziometacarpal joint?

Answer 50

saddle

Question 51

What two bones make up the trapeziometacarpal joint?

Answer 51

thumb and trapezium

Question 52

What kind of joints are metacarpophalangeal (MCP) joints?

Answer 52

condyloid

Question 53

What kind of joints are interphalangeal joints?

Answer 53

hinge

Question 54

Which phalanx does the thumb not have that all the other digits do?

Answer 54

thumb does not have middle phalanx

Question 55

What innervates the thenar compartment?

Answer 55

recurrent branch of the median nerve

Question 56

What innervates the hypthenar compartment?

Answer 56

deep branch of the ulnar nerve

Question 57

What are the functions of lumbricals?

Answer 57

flex MCP joint | extend IP joints

Question 58

What muscles in the hand is innervated by median nerve?

Answer 58

those in thenar compartment | lateral 2 lumbricals

Question 59

How many DAB and PAD are there?

Answer 59

4 DAB | 3 PAD

Question 60

What branch of median n provides motor to the hand?

Answer 60

recurrent br

Question 61

What branch of median n provides sensory to the hand?

Answer 61

palmar br

Question 62

Would sensory to the hand be involved if patient has carpal tunnel?

Answer 62

No, bc palmar br of median n usually branch before the nerve enters the tunnel

Question 63

If the recurrent br of median n is damaged, will there be manifestations to the lumbricals?

Answer 63

No

Question 64

Where does the cephalic vein drain into?

Answer 64

subclavian vein

Question 65

Where does the basilic vein drain into?

Answer 65

axillary vein

Question 66

What nerve is between the two heads of pronator teres (humeral and ulnar)?

Answer 66

median nerve