1 Supraspinatus - Correct Answer: Insertion: greater tubercle Action: abducts arm Nerve: suprascapular n. Infraspinatus - Correct Answer: Insertion: greater tubercle Action: external rotation to arm Nerve: suprascapular n. Teres minor - Correct Answer: Insertion: greater tubercle Action: external rotation to arm Nerve: axillary n. Subscapularis - Correct Answer: Insertion: lesser tubercle Action: internal rotation Nerve: subscapularis n. Rotator Cuff Muscles - Correct Answer: "SITS" S - supraspinatus I - infraspinatus T - teres minor S - subscapularis Only rotator cuff muscle that attaches to lesser tubercle of humerus. A) Teres minor B) Subscapularis General Anatomy – NBCE Questions and Correct Answers 2 C) Teres major D) Supraspinatus - Correct Answer: B Only rotator cuff muscle that has axillary nerve as nerve supply. A) Infraspinatus B) Teres major C) Subscapularis D) Teres minor - Correct Answer: D Longest muscle in the body is: A) Peroneus longus B) Semimembranosus C) Sartorius D) Stapedius - Correct Answer: C Shortest muscle in the body is: A) Stapedius B) Sartorius C) Semimebranosus D) Peroneus brevis - Correct Answer: A Which of the following does not make up the hamstrings? A) Biceps femoris B) Semimembranosus C) Rectus femoris D) Semitendinosus - Correct Answer: C Which of the following does not have musculocutaneous as its nerve supply? A) Pronator teres 3 B) Biceps brachii C) Coracobrachialis D) Brachialis - Correct Answer: A Which of the following has subscapular nerve as its nerve supply? A) Brachialis B) Teres major C) Teres minor D) Pronator teres - Correct Answer: B Which of the following rotator cuff muscles abducts the arm? A) Teres minor B) Infraspinatus C) Subscapularis D) Supraspinatus - Correct Answer: D Which of the following rotator cuff muscles internally rotates the arm? A) Teres minor B) Subscapularis C) Infraspinatus D) Supraspinatus - Correct Answer: B Which of the following muscles retracts the scapula? A) Trapezius B) Rhomboids C) Serratus anterior D) Teres major - Correct Answer: B Which of the following muscles receives its nerve supply from dorsal scapular nerve? 4 A) Rhomboids B) Latissimus dorsi C) Teres major D) Brachialis - Correct Answer: A Which of the following muscles receives its blood supply from scapular circumflex? A) Teres minor B) Teres major C) Pectoralis minor D) Pactoralis major - Correct Answer: A Which of the following receives its nerve supply from long thoracic nerve? A) Latissimus dorsi B) Rhomboids C) Teres major D) Serratus anterior - Correct Answer: D Which of the following receives its nerve supply from thoracodorsal nerve? A) Serratus anterior B) Trapezius C) Latissimus dorsi D) Pactoralis minor - Correct Answer: C Short head of biceps brachii attaches to: A) Supraglenoid tubercle of scapula B) Coracoid process C) Coronoid process D) Humerus - Correct Answer: B
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