MSK Practice Questions

Question 1

What does radial nerve palsy produce

Answer 1

An inability to extend the metacarpophalangeal joints, owing to paralysis of the extensor digitorum communis muscle

Question 2

The radial nerve runs to what compartment of the humerus?

Answer 2

The posterior compartment

Question 3

The median nerve passes through which two muscle heads

Answer 3

The ulnar and humeral heads of the pronator teres muscle.

Question 4

Which muscle will cause a subluxation of the clavicle during a dislocation

Answer 4

Pectoralis major

Question 5

Which carpal bone is most likely to dislocate anteriorly and cause a form a carpal tunnel syndrome

Answer 5

The Lunate

Question 6

In general, the radial nerve innervates what in the forearm

Answer 6

The extensors

Question 7

In general, the median nerve innervates what in the forearm

Answer 7

Pronator teres and the flexors

Question 8

In general, the ulnar nerve innervates what

Answer 8

The flexor carpi ulnars

Question 9

The flexor retnaculum and the median nerve make up the what in the hand

Answer 9

Carpal tunnel

Question 10

The flexor retnaculum attaches where in the hand

Answer 10

The tubercle of the scaphoid and trapezium as well as the hamulus of the hamate and the pisiform

Question 11

Breaks of the midshaft of the humerus most likely damage what

Answer 11

The radial nerve and the deep brachial artery

Question 12

Where does the arachnoid and dural membranes terminate in the spinal column.

Answer 12

About S2

Question 13

What is the Cervicle nerves that innervate the musculocutaneous N

Answer 13

C5 - C7

Question 14

What C nerves innervate to Median N.

Answer 14

C6 - T1

Question 15

What C nerves innervate the Ulnar N.

Answer 15

C8 - T1

Question 16

What C nerves innervate the radial N.

Answer 16

C5 - T1

Question 17

What C nerves innervate medial brachial cutaneous N.

Answer 17

C8 and T1

Question 18

What C nerves innervate medial antebrachial cutaneous N

Answer 18

C8 and T1

Question 19

What condition is most easily confirmed with radiographic exam?

Answer 19

Hyper kyphosis

Question 20

During compression fractures, what part of the vertebra is most likely fractured?

Answer 20

The vertebral body

Question 21

Injury to the scapula directly always means what is injured

Answer 21

The rhomboid maj. and minor. And the dorsal scapular N.

Question 22

Herpes zoster virus infects what part of the spinal column

Answer 22

The dorsal root ganglion

Question 23

What back Muscle wraps around to the anterior side of the humerus and helps with medial rotation and adduction. What nerve innervates this?

Answer 23

Latissimus dorsi with the thoracodorsal N.

Question 24

Abduction of the arm is achieved by what muscles

Answer 24

Supraspinatus and Deltoid

Question 25

In arm dislocations, remember to check which muscles

Answer 25

SITS

Question 26

Spinal cord herniation always has to go through what ligament

Answer 26

Posterior longitudinal

Question 27

The adult spinal cord usually terminates at what level

Answer 27

L1/L2

Question 28

If hematopoietic cells are seen with a spinal tap, what ligament was penetrated?

Answer 28

The supraspinous

Question 29

What artery travels though the transverse foramen

Answer 29

Vertebral artery

Question 30

Right shoulder droop is usually caused by what muscle and nerve

Answer 30

Injury to the trapezius and the spinal accessory N.

Question 31

Which region of the spine is most susceptible to spondylothesis (anterior displacement of vertebral vertebra)

Answer 31

Cervical region

Question 32

What muscles and arteries are responsible for extending and laterally bending the trunk

Answer 32

The level 5 muscles with the posterior intercostal A.

Question 33

Example: if there is a dislocation of the 4th Vertebra, then what is affected?

Answer 33

The head of the 5th rib

Question 34

What muscle is responsible for adduction and medial rotation besides the lat. dorsi

Answer 34

Teres major

Question 35

What muscle in the SITS helpe to laterally rotate the arm

Answer 35

The infraspinatus

Question 36

At which locations are the spinal nerves most likely to be compressed

Answer 36

Between the inferior and superior vertebral notches

Question 37

The odontoid process articulates with what

Answer 37

The anterior arch of the atlas

Question 38

The cell bodies of nerves are found where

Answer 38

In the root ganglia

Question 39

Where is the most superiorly located IVD

Answer 39

C2/C3

Question 40

Carpal tunnel syndrome affects what muscles in the hand

Answer 40

Thenar muscles and lumbercles 1 and 2

Question 41

Randian N. Branchs off into what in the forearm

Answer 41

The posterior interosseous N.

Question 42

The A. Most likely punctured at the cubital fossa is what

Answer 42

The brachial A.

Question 43

What felxor muscle extends to the distal interphalangeal joints

Answer 43

Flexor digitorum profundus

Question 44

What nerve is injured if the patient presents with pain in the posterior aspect of the forearm and pain at the lateral epicondyle

Answer 44

Deep radian N.

Question 45

What sensory area of the arm will be affected if the musculocutaneous N. Is injured

Answer 45

The lateral surface of the forearm

Question 46

Injury to the radial nerve will produce what disfunction in the hand

Answer 46

Weakness of thumb abduction and thumb extension

Question 47

What artery supplies the ulnar N.

Answer 47

The superior ulnar collateral A.

Question 48

What is the most common type of dislocation of the humerus at the glenohumeral joint

Answer 48

Inferior displacement of the humerus head

Question 49

What arteries can collaterate and bypass an injury on the axillary A.

Answer 49

Posterior humeral circumflex a. With the deep brachial A.

Question 50

Which muscle tendon is located within the glenohumeral Joint

Answer 50

Long head of the biceps brachii