Multiple_Choice_Practice_Exam.pdf

Multiple Choice Practice Exam Table 6-7: Actions of the Muscles of the Elbow 1. Which muscle is responsible for flexion in supination of the elbow? A) Brachialis B) Biceps C) Brachioradialis D) Triceps **Correct Answer:** B) Biceps 2. What muscle is inv...

Multiple Choice Practice Exam Table 6-7: Actions of the Muscles of the Elbow 1. Which muscle is responsible for flexion in supination of the elbow? A) Brachialis B) Biceps C) Brachioradialis D) Triceps **Correct Answer:** B) Biceps 2. What muscle is involved in rapid flexion or flexion with loads? A) Brachialis B) Biceps C) Brachioradialis D) Triceps **Correct Answer:** C) Brachioradialis 3. Which muscles are responsible for pronation of the forearm? A) Supinator and biceps B) Pronator quadratus and pronator teres C) Brachialis and biceps D) Triceps and anconeus **Correct Answer:** B) Pronator quadratus and pronator teres 4. What provides medial stability and some extension to the elbow? A) Wrist flexors B) Wrist extensors C) Pronator teres  D) Brachialis **Correct Answer:** A) Wrist flexors 5. Which muscle is the primary extensor of the elbow? A) Biceps B) Brachialis C) Triceps D) Pronator quadratus **Correct Answer:** C) Triceps Table 6-10: Actions of the Muscles of the Wrist and Hand 1. Which muscles are responsible for wrist flexion? A) Extensor carpi radialis and extensor digitorum B) Flexor carpi radialis, abductor pollicis longus, and palmaris longus C) Extensor carpi ulnaris and extensor pollicis longus D) Interosseous muscles and extensor digitorum **Correct Answer:** B) Flexor carpi radialis, abductor pollicis longus, and palmaris longus 2. What muscles perform wrist adduction (ulnar deviation)? A) Extensor carpi radialis and abductor pollicis longus B) Flexor carpi ulnaris and extensor carpi ulnaris C) Flexor carpi radialis and palmaris longus D) Extensor digitorum and extensor pollicis brevis **Correct Answer:** B) Flexor carpi ulnaris and extensor carpi ulnaris 3. Which muscles are involved in finger extension? A) Flexor digitorum superficialis and profundus B) Extensor digitorum, extensor digiti minimi, and extensor indicis  C) Interosseous muscles and extensor pollicis longus D) Flexor pollicis longus and abductor pollicis longus **Correct Answer:** B) Extensor digitorum, extensor digiti minimi, and extensor indicis 4. Which muscles are responsible for finger abduction? A) Flexor digitorum superficialis and profundus B) Extensor digitorum, extensor digiti minimi, and extensor indicis C) Interosseous muscles D) Flexor pollicis longus and abductor pollicis longus **Correct Answer:** C) Interosseous muscles 5. What muscles perform wrist abduction (radial deviation)? A) Extensor carpi ulnaris and flexor carpi ulnaris B) Extensor carpi radialis, abductor pollicis longus, and extensor pollicis longus and brevis C) Flexor carpi radialis and palmaris longus D) Extensor digitorum and extensor pollicis brevis **Correct Answer:** B) Extensor carpi radialis, abductor pollicis longus, and extensor pollicis longus and b Table 6-11: Close-Packed and Loose-Packed Positions for the Wrist and Hand Joints 1. What is the closed-packed position for the wrist? A) Full palmar flexion B) Full dorsiflexion C) Flexion with slight ulnar deviation D) Full radial deviation **Correct Answer:** B) Full dorsiflexion 2. What is the loose-packed position for the wrist? A) Full palmar flexion  B) Full dorsiflexion C) Palmar flexion with slight ulnar deviation D) Full radial deviation **Correct Answer:** C) Palmar flexion with slight ulnar deviation 3. What is the closed-packed position for the hand? A) Full extension B) Full flexion C) Flexion with slight ulnar deviation D) Extension with slight radial deviation **Correct Answer:** A) Full extension 4. What is the loose-packed position for the hand? A) Full extension B) Full flexion C) Flexion with slight ulnar deviation D) Extension with slight radial deviation **Correct Answer:** C) Flexion with slight ulnar deviation