Lesion of the axillary nerve causes: a. Winging of the scapula. b. Flat shoulder. c. Claw hand. d. Ape hand. e. Wrist drop. Answer b
Muscles that rotate the scapula downward are attached to: a. Ventral lip of the medial border of the scapula. b. Dorsal lip of the medial border of the scapula. c. Upper lip of the crest of the spine. d. Lower lip of the crest of the spine. e. a and c. Answer b
Muscles that rotate the scapula upward are attached to the: a. Ventral lip of the medial border of the scapula. b. Dorsal lip of the medial border of the scapula. c. Upper lip of the crest of the spine. d. Lower lip of the crest of the spine. e. a and c. Answer e
All the muscles attached to the bicipital (intertubercular) groove: a. Abduct the arm (shoulder joint). b. Adduct the arm. c. Medial rotation of the arm. d. a and c. e. b and c. Answer e
Anastomosis around the scapula connects the subclavian artery with the: a. First part of the axillary artery. b. Second part of the axillary artery. c. Third part of the axillary artery. d. Brachial artery. e. None of the above. Answer c
Actions of the latissimus dorsi: a. Flexes the arm. b. Abducts the arm. c. Laterally rotates the arm. d. All of the above. e. None of the above. Answer e
Triangle of auscultation is associated with all of the following EXCEPT: a. Latissimus dorsi. b. Teres major. c. Rhomboid major. d. Trapezius. e. Medial border of the scapula. Answer b
The quadrangular space is bounded by all of the following EXCEPT: a. Teres minor. b. Teres major. c. Long head of biceps. d. Long head of triceps. e. Surgical neck of the humerus. Answer c
Regarding the biceps brachii, one is INCORRECT: a. Has long head attached to the supraglenoid tubercle. b. Has short head attached to the tip of the coracoid process. c. Has a tendon inserted into the radial tuberosity. d. It flexes the elbow joint. e. It is powerful supinator of the extended elbow. Answer e
The direction of the nutrient foramen of the humerus is: a. Upward. b. Downward. c. Medially. d. Laterally. e. None of the above. Answer b