The musculoskeletal system is a fascinating topic. The quiz is about the bones, muscles and their associated arterial and nervous supply. Good luck!
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Musculoskeletal anatomy - Part 3
It has a flattened lateral end
Its anterior border is concave forward on the medial end
Its anterior border is concave forward on the lateral end
It has a quadrangular medial end
Its posterior border is concave backward on the medial end
STEM 1 OF 4Read the following vignette: A patient is admitted to the A&E with suspected fracture at the surgical neck of the humerus. He is observed to have difficulty with arm abduction. Which nerve is most likely affected?
STEM 2 OF 4Which muscles does the nerve in stem 1 of 4 supply?
Deltoid and supraspinatus
Deltoid and teres major
Deltoid and teres minor
Supraspinatus and teres major
Supraspinatus and teres minor
STEM 3 OF 4Which major sensory deficit would be observed with an injury to the nerve of stem 1 of 4?
Impaired cutaneous sensation to anterior lower arm
Impaired cutaneous sensation to lateral upper arm
Impaired cutaneous sensation to medial lower arm
Impaired cutaneous sensation to posterior lower arm
Impaired cutaneous sensation to medial upper arm
STEM 4 OF 4Which artery often accompanies the nerve in stem 1 of 4?
Anterior circumflex humeral artery
Circumflex subscapular artery
Posterior circumflex humeral artery
Flexor carpi radialis
Flexor carpi ulnaris
Flexor digitorum profundus
Flexor digitorum superficialis
Extend metacarpophalangeal and extend interphalangeal joints
Extend metacarpophalangeal and flex interphalangeal joints
Flex metacarpophalangeal and extend interphalangeal joints
Flex metacarpophalangeal and flex interphalangeal joints
Opposition of metacarpophalangeal joint of the thumb
The ulnar nerve is a branch of the lateral cord
The musculocutaneous nerve is a branch of the posterior cord
There are 13 branches from the cords
There are five roots, three trunks, five divisions and three cords
The roots lie within the posterior triangle of the neck