26 Questions
What is the primary action of the flexor pollicis longus muscle?
Flexion of the terminal phalanx
Which nerve is responsible for wrist extension?
Radial nerve
What is the characteristic deformity seen in Radial nerve palsy?
Claw-like deformity
Which nerve arises from the roots of the brachial plexus in the neck and supplies the serratus anterior muscle?
Long thoracic nerve
What is the primary supplier of the triceps muscle?
Radial nerve
What is the name of the palsy caused by traction injury or stretch injury in the axillary area?
Klumpke's palsy
What is the name of the artery that sends oxygenated blood from the heart to the organs?
Aorta
What is the branch of the aortic arch that gives rise to the right common carotid and right subclavian arteries?
Brachiocephalic Artery
Which artery is the main trunk that supplies blood to the upper extremities?
Subclavian Artery
What is the name of the artery that runs deep to the brachioradialis muscle in the forearm?
Radial Artery
Which artery is the smaller of the two terminal branches of the brachial artery?
Radial Artery
What is the name of the branch of the radial artery that takes part in the arterial anastomosis around the elbow joint?
Radial Recurrent Artery
Which artery is the larger of the two terminal branches of the brachial artery?
Ulnar Artery
What is the name of the artery that lies superficial to the flexor retinaculum on the lateral side of the ulnar nerve and pisiform bone?
Ulnar Artery
What is the name of the branch of the ulnar artery that arises just proximal to the wrist and joins the radial artery to complete the superficial palmar arch?
Superficial Palmar Branch
What is the name of the depression found on the lateral aspect of the dorsum of the hand where the radial pulse can be palpated?
Anatomic Snuffbox
What is the origin of the entire brachial plexus?
C5, C6, C7, C8, and T1 nerves
Which nerve is responsible for supplying the shoulder region?
Axillary nerve
What is the first muscle innervated by the musculocutaneous nerve?
Coracobrachialis
Which nerve is responsible for supplying the lateral side of the forearm?
Musculocutaneous nerve
What is the name of the condition characterized by impingement of the median nerve in the wrist?
Carpal tunnel syndrome
Which nerve is responsible for supplying the medial side of the forearm?
Ulnar nerve
What is the name of the sign characterized by adducting the thumb being impossible?
Froment's Sign
What is the name of the nerve that gives off branches after the shoulder joint?
Axillary nerve
Which cord is formed when the anterior divisions of the upper and middle trunks unite?
Lateral cord
Which nerve is responsible for supplying the wrist flexor muscles in the volar surface of the arm?
Median nerve
Test your knowledge of hand anatomy and nerve injuries, including the muscles involved in pinching, claw hand deformity, and radial nerve palsy. Learn about the effects of nerve damage on hand function and movement.
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