Deck 2: Anatomy and Physiology of the Upper Limb

Question 1

What stabilises the abducted shoulder?

A)Capsule
B)Long head triceps
C)Glenohumeral joint
D)Coracoacromial arch
E)Glenohumeral ligament

Answer 1

Long head triceps

Question 2

Which nerve does not pass through muscle described

A)Radial n and brachioradialis
B)Post IO n and supinator
C)Musculocutaneous n and coracobrachialis
D)Ulna n and FDS
E)Median n and pronator teres

Answer 2

Ulna n and FDS

Question 3

In the cubital fossa which of the following is lateral to the radial a

A)Brachial a
B)Median n
C)Biceps tendon
D)Post IO n

Answer 3

Post IO n

Question 4

In the upper limb which is correct?

A)Receives supply from T4
B)Supplied by C3 - T1
C)Upper arm dermatomes are C4, 5, 8, T1
D)Elbow flexion is C7, C8
E)Thumb dermatome is C8

Question 5

radial n

A)runs with profunda brachii in the radial groove
B)gives off the post IO n in the spiral groove
C)is only C5, 6 7 and 8
D)occupies the entire length of radial groove
E)passes through the quadrilangular space

Question 6

Forearm muscles:

A)Pronator teres is the most powerful pronator
B)Palmaris longus is absent in 30% cases
C)FPL is unipennate
D)FCR runs over entire length of retinaculum
E)Pronator quadtratus arises from lower radius

Question 7

Interossei

A)Arise from flexor retinaculum
B)Palmar abduct
C)Palmar have 2 heads of origin
D)Innervated by deep branch of ulnar n
E)Combined dorsal and palmar abduct

Question 8

Palmar interossei

A)Have 2 heads
B)Abduct the fingers
C)Chiefly responsible for MCPJ flexion and DIPJ extension
D)Arise from tendons of FDS
E)Flex IPJ

Question 9

Which is not a branch of the axillary artery:

A)Thoracoacromial
B)Sup thoracic
C)Post CX humeral
D)Dorsal scapular
E)CX scapular

Question 10

The ulnar artery

A)Has the ulna nerve lying laterally
B)Supplies the deep palmar arch
C)Has common interosseus as major branch

Question 11

Which of the following bones attach to both flexor and extensor retinaculum?

A)Scaphoid
B)Hamate
C)Pisiform
D)Trapezium
E)Triquetral

Question 12

AC joint - which is false

A)Is a complex joint with fibrocartilage intracapsular disc
B)Coraco-acromial lig is not a stabilising factor
C)All movements are passive
D)Is innervated by the cervical plexus
E)Synovial joint

Question 13

The deltoid

A)Is supplied by the axillary n
B)Has a multipennate arrangement for maximal range of movement
C)Inserts into the bicipital groove

Question 14

Which muscle initiates shoulder abduction

A)Multipennate centre of the deltoid
B)Anterior and posterior fibres of deltoid
C)Supraspinatus
D)Teres minor

Question 15

regarding FDS

A)it arises from the coronoid process and sublime tubercle
B)the tendons to the II/V fingers travel superior to those of the III/IV fingers

Question 16

Regarding the anatomical snuff box which is incorrect

A)Branches of the radial nerve can be palpated over the tendons
B)The cephalic vein begins in the roof
C)The bones palpable are the radial styloid, scaphoid, trapezium and the base of I metacarpal
D)The tendons of APL and EPL form one boundary

Question 17

Injury to the wrist with impairment of thumb abduction is often associated with

A)Inability to flex DIPJ of II
B)Inability to flex PIPJ of II
C)Inability to oppose thumb

Question 18

Lateral rotation of shoulder

A)Supplied by C5
B)Associated with adduction

Question 19

Which movement of the arm does not involve C6

A)Pronation
B)Supination
C)Shoulder adduction
D)Wrist flexion
E)Wrist extension

Question 20

Regarding the cutaneous nerve supply to the arm and forearm

A)C3,4 supply pectoral and upper shoulder
B)Branches of the brachial plexus supply arm and forearm
C)C4,5,6 and T1 supply the majority of the arm

Question 21

Regarding the brachial plexus

A)Serratus anterior is C6,7,8
B)All branches originate from roots, divisions or cords
C)Suprascapular nerve comes off posterior cord
D)Dorsal scapular n comes off C5

Question 22

Regarding lymphatic drainage of the arm

A)Superficial lymphatics follow volar aspect
B)Superficial travel with the veins
C)Deep travel with the veins
D)Hand drains into apical LN in axilla

Question 23

Regarding digital nerves

A)Common digital n lie superficial to superficial arch
B)Palmar nerves only supply palmar surface
C)Digital nerves are only sensory
D)Digital nerve lies posterior to digital a

Question 24

The direct attachments of pectoral girdle to trunk is by following except:

A)Subclavius
B)Trapezius
C)Rhomboids
D)Levator scapulae
E)Latissimus dorsi

Question 25

The following nerve passes through the quadrangular space

A)Axillary
B)Radial
C)Thoracodorsal
D)Suprascapular
E)Infrascapular