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QUESTION 48 1 points Save Answer The brachial plexus exhibits roots, trunks, divisions, cords, and terminal branches: 1. Branches of the ulnar nerve supply elbow joint and palmaris brevis. 2. The median nerve innervates pronator teres, palmaris longus, and flexor digitorum superficialis. 3. The radial nerve supplies a small part of the brachialis muscle and gives off a lower lateral cutaneous nerve of the arm. 4. The axillary nerve and the radial nerves are branches of the medial cord. 1,2,3 1,3 2,4 1,2,3,4 QUESTION 49 1 points Save Answer Consider the deep cervical fascia: 1. The pretracheal layer of the deep cervical fascia contains the sympathetic trunk. 2. The investing layer of the deep cervical fascia surrounds the axillary vessels. 3. The prevertebral fascia encloses the thyroid gland, trachea, and esophagus. 4. The pretracheal layer of the deep cervical fascia forms a pulley for the intermediate tendon of the digastric muscle 1,2,3 1,3 2,4 4 1,2,3,4