mcq anatomy upper limb

21. The branches of the brachial plexus include:

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שאלה #20790

		a. Three supraclavicular branches, which are the upper and lower subscapular nerves and the nerve to subclavius.
		b. The suprascapular nerve, which is the only branch from the divisions.
		c. The musculocutaneous nerve, which arises from the lateral cord and supplies coracobrachialis.
		d. The ulnar nerve, which is the largest branch of the posterior cord.
		e. The thoracodorsal nerve, which arises from the upper trunk.
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22. In the shoulder region:

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שאלה #20791

		a. There are six muscles arising from the scapula which are inserted into the humerus.
		b. Supraspinatus, infraspinatus and teres minor arise from the dorsal surface of the scapula and are inserted into the lesser tuberosity of the humerus.
		c. Trapezius overlies the rotator cuff and inserts distally on to the lateral aspect of the shaft of the humerus.
		d. Abduction is initiated by trapezius and completed by deltoid.
		e. The joint is supplied by twigs from the median, ulnar and radial nerves.
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23. Supraspinatus:

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שאלה #20792

		a. Is one of the rotator cuff muscles.
		b. Has a tendon which blends with the capsule of the shoulder joint.
		c. Is supplied by the dorsal scapular nerve which arises from the posterior cord of the brachial plexus.
		d. Plays a role in preventing dislocation of the shoulder joint.
		e. Is an adductor of the shoulder joint.
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24. Infraspinatus:

1

שאלה #20793

		a. Arises from the ventral surface of the scapula.
		b. Gives rise to a tendon which blends with the capsule of the shoulder joint, thus strengthening it.
		c. Is supplied by the suprascapular nerve.
		d. Is a medial rotator of the shoulder joint.
		e. Lies deep to trapezius.
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25. Teres minor:

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שאלה #20794

		a. Arises from the lateral margin of the dorsal aspect of the scapula.
		b. Inserts into the lower part of the greater tuberosity of the humerus.
		c. Is supplied by the suprascapular nerve.
		d. Is a lateral rotator and weak adductor of the shoulder joint.
		e. Forms the lower border of the quadrilateral space when viewed from behind.
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The Deltoid:

1

שאלה #21007

		a. Arises from a U shaped origin on the lateral part of the clavicle, the acromion process and the lateral part of the spine of the scapula
		b. inserts into the lateral aspect of the shaft of the humerus
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28. Coracobrachialis:

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שאלה #21008

		a. Arises from the coracoid process and inserts into the medial aspect of the shaft of the humerus.
		b. Adducts the shoulder.
		c. Is supplied by both medial and lateral pectoral nerves.
		d. Assists pectoralis major in raising the arm above the head.
		e. Is often found completely fused with pectoralis minor.
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29. Brachialis:

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שאלה #21009

		a. Arises from the inferior margin of the glenoid cavity.
		b. Is inserted into the lateral aspect of the upper one third of the radius.
		c. Is principally a supinator of the forearm.
		d. Is supplied mainly by the musculocutaneous nerve.
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30. The brachial artery:

1

שאלה #21010

		a. Lies medial to the median nerve at the level of the elbow.
		b. Gives off the circumflex scapular artery which supplies the infraspinous fossa.
		c. Gives off the anterior and posterior circumflex humeral arteries which accompany the axillary nerve through the quadrilateral space.
		d. Is usually accompanied by two or more venae comitantes which join to form the axillary vein.
		e. Gives off the profunda brachii artery which accompanies the ulnar nerve through the triangular space.
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31. The musculocutaneous nerve:

1

שאלה #21011

		a. Is the nerve of the flexor compartment of the arm.
		b. Supplies coracobrachialis and pectoralis minor.
		c. Arises from the lateral cord of the brachial plexus.
		d. Has a root value of C7,C8
		e. Supplies biceps, brachialis and brachioradialis.
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Discuss, Learn and be Happy דיון בשאלות

21. The branches of the brachial plexus include:

22. In the shoulder region:

23. Supraspinatus:

24. Infraspinatus:

25. Teres minor:

The Deltoid:

28. Coracobrachialis:

29. Brachialis:

30. The brachial artery:

31. The musculocutaneous nerve:

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