Quiz about Upper Limb

Question 1

Pectoralis Major:

Accepted Answer

is supplied by all 5 segments of the brachial plexus

Answer

is quadrilateral in shape

Answer

has a head that arises from the posterior surface of the clavicle

Answer

inserts into the medial lip of the bicipital groove

Answer

lies between biceps and the humeral shaft

Question 2

Latissimus Dorsi:

Accepted Answer

arises from the iliac crest

Answer

arises from the spinous processes of T2-L5

Answer

spirals around the upper border of teres major

Answer

inserts into the lesser tuberosity

Answer

externally rotates

Question 3

The sternoclavicular joint:

Accepted Answer

is mostly stabilised by the costoclavicular lig

Answer

communicates with the manubriosternal joint

Answer

is the fulcrum of movements at the sternoclavicular joint

Answer

contains 2 fibrocartilage discs

Answer

is supplies by C8 and T1

Question 4

Teres major:

Accepted Answer

forms the lower border of the quadrangular space

Answer

arises from the medial border of the scapula

Answer

forms the lateral border of the triangular space

Answer

is supplied by the axillary nerve

Answer

largely acts to extend the arm

Question 5

The axillary artery:

Accepted Answer

supplies the pectoral muscles via the superior thoracic a.

Answer

arises from the vertebral artery

Answer

is divided into 3 parts by teres major

Answer

is clasped in its 3rd part by the cords of the brachial plexus

Answer

has no branches in its 3rd part

Question 6

With regard to the brachial plexus:

Accepted Answer

the roots lie between the scalene muscles

Answer

the axillary n is derived from the lateral cord

Answer

the radial nerve is derived from C7, 8 and T1

Answer

the nerve to subclavius is the only branch from the trunks

Answer

there are 7 divisions of the trunks

Question 7

An injury to the middle trunk of the brachial plexus:

Accepted Answer

will affect the median nerve

Answer

would mean that C8 sensation is altered

Answer

will manifest in the medial cord

Answer

will affect the long thoracic nerve

Answer

all of the above

Question 8

The rotator cuff is formed by all of the below except:

Accepted Answer

teres major

Answer

subscapularis

Answer

supraspinatus

Answer

infraspinatus

Answer

teres minor

Question 9

The subacromial bursa:

Accepted Answer

lies under the coracoacromial lig

Answer

is strengthened anteriorly by the glenohumeral ligaments

Answer

envelopes the distal end of the coracoid process

Answer

if inflamed will be more tender when abducted

Answer

all of the above

Question 10

With regards to the biceps brachii:

Accepted Answer

supinates forearm

Answer

the long head arises from the greater tuberosity

Answer

the short head arises from the acromium

Answer

supplied by median n

Answer

its 2 heads merge in the upper arm

Practice Test On: Upper Limb

Practice Test On:
Upper Limb