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Brachial plexus & forearm innervation

Create an image of a detailed anatomical diagram of the brachial plexus and forearm, highlighting the main nerves and muscles involved, styled in a modern and educational way.

Brachial Plexus & Forearm Innervation Quiz

Test your knowledge on the intricate details of the brachial plexus and forearm innervation with this comprehensive quiz! Designed for students, educators, and professionals in the medical field, this quiz will help reinforce your understanding of nerve anatomy, muscle innervation, and related syndromes.

Engaging questions with multiple choice answers
Covers key concepts in anatomy and neurology
Challenging yet informative for all skill levels

13 Questions3 MinutesCreated by LearningLimb432

The anterior interosseous nerve innervates 3 muscles, which one of these is not innervated by AIN?

Pronator teres

Flexor pollicis longus

Pronator quadratus

Flexor digitorum profundus

What roots go into the median nerve?

C5, C6, C7, C8, T1

C6, C7, C8, T1

C7, C8, T1

C8, T1

What roots go into the radial nerve?

C7-T1

C5-T1

C5, C6, C8, T1

C5, C6, C7

What roots go into the ulnar nerve?

C7, C8, T1

C8, T1

What nerve root compressions mimic carpal tunnel syndrome?

C7-C8

C8-T1

C6-C7

Martin Gruber Anastomosis type I has the nerve conduction study pattern (when recording ADM) of:

Conduction block at above elbow

Reduced amplitude at all sites

Conduction block at below elbow (wrist amplitude > elbow amplitude)

Increased distal latency

Posterior cord innervates which terminal nerves?

Axillary, Radial

Axillary

Radial

Axillary, Radial, Median

Sensory deficit and clawing of 4/5 digits & tinel's sign at the elbow represents what compressive neuropathy?

Carpal tunnel syndrome

Cubital tunnel syndrome

Spiral groove nerve palsy

MGA III

What nerves supply sensation of the hand?

Median & Ulnar

Median

Median, Ulnar, Radial

Median, ulnar, radial, musculocutaneous

What are the dermatomes of the hand?

C7, C8, T1

C6, C7, C8, T1

C6, C7, C8

C6, C7

Aching on medial arm, low levels of tingling, and severe thumb weakness indicates what?

Carpal tunnel syndrome

True thoracic outlet syndrome

C8/T1 Radiculopathy

Tardy ulnar palsy

Abnormal EMG studies of Anconeus, brachioradialis, extensor carpi radialis longus are exclusive to what nerve?

Posterior interosseous nerve

Radial nerve

Ulnar nerve

Median nerve

Which flexor forearm muscle receives dual innervation?

Flexor carpi ulnaris

Flexor digitorum profundus

Flexor digitorum superficialis

Pronator teres

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