Forearm Muscles QuizOnline version Forearm anatomy by Dr. muntaha 1 What compartments divide the forearm and what structures contribute to this division? a The fascial sheath of deep fascia together with the interosseous membrane and fibrous intermuscular septa b Only the interosseous membrane separates the compartments c The superficial fascia and the skin only d The periosteum and the interosseous membrane 2 What are the two groups of muscles in the forearm? a A. intrinsic and extrinsic groups b A. anterior and posterior groups only c B. deep and superficial groups only d A. flexor/pronator group and B. extensor/supinator group 3 Which nerve supplies the brachioradialis muscle? a Median nerve b Radial nerve c Ulnar nerve d Musculocutaneous nerve 4 Which nerve supplies almost all the forearm flexors and the palmaris longus? a Ulnar nerve b Radial nerve c Median nerve d Musculocutaneous nerve 5 Name the three deep muscles of the anterior compartment of the forearm (as listed). a Flexor digitorum profundus; Flexor carpi ulnaris; Pronator quadratus b Flexor digitorum profundus; Flexor pollicis longus; Pronator quadratus c Flexor pollicis longus; Flexor carpi radialis; Flexor digitorum superficialis d Flexor digitorum superficialis; Flexor carpi radialis; Pronator teres 6 Which muscles are innervated by the radial nerve and are part of the posterior compartment? a All forearm flexors b Nine extensor muscles (and the brachioradialis, anconeus, and supinator) c Only the brachioradialis and supinator d Only the wrist extensors 7 Contents of the cubital fossa, from medial to lateral side? a Median nerve; Radial nerve; Brachial artery; Tendon of the brachialis b Ulnar nerve; Radial artery; Tendon of the brachioradialis; Median nerve c Radial nerve; Brachial artery; Tendon of the biceps brachii; Median nerve d Median nerve; Brachial artery bifurcation into ulnar and radial arteries; Tendon of the biceps brachii; Radial nerve and its deep branch 8 Which tendons are held in place by the extensor retinaculum? a The distal tendons of the posterior forearm extensor muscles b The cephalic and basilic veins c The flexor tendons on the palm d The brachial artery and veins 9 What structures cross the anatomical snuffbox? a Radial nerve and ulnar vein b Cephalic and basilic veins c Radial artery and superficial branch of the radial nerve d Median nerve and ulnar artery 10 Which muscles form the “deep muscles of the anterior compartment” as shown in the slides? a Flexor digitorum superficialis; Flexor carpi radialis; Flexor carpi ulnaris b Flexor digitorum profundus; Flexor pollicis longus; Pronator quadratus c Brachioradialis; Extensor carpi radialis longus; Extensor carpi ulnaris d Pronator teres; Flexor digitorum superficialis; Flexor pollicis longus
