Upper Limb Exam Questions With 100% Correct Answers

Upper Limb Exam Questions With 100% Correct Answers Name the two major superficial veins of the upper limb. - answerThe cephalic and basilic vv Both these superficial veins originate distally at what structure? - answerThey originate at the dorsal venous network (arch) of the hand. These superficial veins communicate again in the cubital fossa via what structure? - answerThe median cubital v. Name the muscles that arise from the vertebral column and connect the upper limb to the trunk. - answerThe trapezius, levator scapulae, rhomboideus major and minor and the latissimus dorsi. Which of these muscles is not innervated by a branch off the brachial plexus? - answerThe trapezius (CN XI - spinal accessory n.). Name the muscles arising from the thoracic wall that connect the upper limb to the trunk. - answerThe pectoralis major and minor, serratus anterior, subclavius, and the sternocleidomastoid. Which of these muscles is located deepest? - answerThe serratus anterior. For what two nerves is the pectoralis minor a landmark? - answerThe medial and lateral pectoral nn. Why is the nomenclature of these nerves reversed with regard to the anatomical location? - answerTheir nomenclature is NOT related to their relationship to the pectoralis minor but rather to the cord from which they arise off the brachial plexus. Name the muscles of the scapular region. - answerThe subscapularis, supraspinatus, infraspinatus, teres minor and teres major. Which of the muscles of the scapular region is not a rotator cuff muscle? - answerThe teres major is not a rotator cuff muscle. What is the function of the rotator cuff? - answerThey apply the head of the humerus to the shallow glenoid cavity of the glenohumeral joint.