mcq anatomy upper limb

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32. Triceps:

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שאלה #21012

done		a. Has a long head which arises from the infraglenoid tubercle of the scapula.
		b. Has a short head which arises from the coracoid process.
done		c. Has two heads which arise from the shaft of the humerus.
		d. Is inserted mainly into the dorsal aspect of the head of the radius and is thus able to extend the elbow.
done		e. Is paralysed when the radial nerve is damaged in fractures of the shaft of the humerus involving the spiral groove.
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33. The radial nerve:

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שאלה #21013

done		a. Supplies anconeus.
		b. Has no cutaneous branches in the arm.
done		c. Arises from the posterior cord of the brachial plexus and has a root value of C5-T1.
done		d. Can be located at the elbow lying under cover of brachioradialis.
		e. Passes just behind the medial epicondyle of the ulna where it is easily palpable.
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34. The elbow joint:

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שאלה #21014

done		a. Receives a small twig from the ulnar nerve as it passes behind the medial epicondyle.
done		b. Is a synovial joint of the hinge type between the lower end of the humerus and the upper end of the ulna, with the head of the radius lying outside the joint cavity.
done		c. Communicates with the proximal radioulnar joint.
done		d. Has the annular ligament which is attached firmly to the head of the radius.
done		e. Has the ulnar collateral ligament providing stability on the medial aspect of the joint.
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35. The flexor compartment of the forearm:

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שאלה #21015

done		a. Consists of a superficial and deep layer of muscles.
		b. Has three muscles in the deep layer and they all arise from the common flexor origin.
		c. Has pronator teres, pronator quadratus and palmaris longus making up the deep layer.
		d. Has all the muscles of the superficial compartment supplied by the median nerve.
		e. Has flexor carpi radialis as the first muscle lying on the radial aspect in the superficial group.
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36. Pronator teres:

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שאלה #21016

		a. Arises by two heads from the medial and lateral epicondyles of the humerus.
done		b. Has the median nerve lying between its two heads.
done		c. Is supplied by the median nerve.
		d. Inserts into the lower shaft and styloid process of the ulna.
done		e. Is also a flexor of the elbow joint.
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37. Flexor carpi radialis:

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שאלה #21017

done		a. Has a tendon which is easily identifiable at the wrist.
		b. Inserts into the trapezoid and trapezium.
		c. Arises from the upper shafts of both radius and ulna.
		d. Is supplied by the radial nerve.
done		e. Lies between the radial artery and the median nerve at the wrist.
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38. Flexor digitorum superficialis:

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שאלה #21018

done		a. Arises from the humerus, ulna and radius.
done		b. Has four tendons which all pass below the flexor retinaculum.
done		c. Is supplied entirely by the median nerve.
sentiment_very_satisfied		d. Inserts by means of each of its four tendons into the sides of the middle phalanges of the index, middle, ring and little fingers.
		e. Flex the distal interphalangeal joints of the index, middle, ring and little fingers.
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39. Palmaris longus:

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שאלה #21019

		a. Is a powerful flexor of the wrist joint.
done		b. Is absent in about 10% of individuals.
done		c. Arises from the medial epicondyle.
		d. Inserts into the lunate and capitate.
done		e. Is supplied by the median nerve.
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40. Flexor carpi ulnaris:

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שאלה #21020

		a. Arises from the upper part of the shaft of the ulna.
done		b. Inserts into the hook of the hamate.
done		c. Is supplied by the ulnar nerve.
done		d. Acts with extensor carpi ulnaris to (ulnar) adduct the wrist.
done		e. Has the ulnar nerve passing between its two heads.
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41. The anatomical snuffbox:

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שאלה #21021

done		a. Overlies the scaphoid.
done		b. Contains the radial artery.
		c. Is delineated by extensor pollicis longus above, and by the two tendons of extensor pollicis brevis and flexor pollicis longus below.
done		d. Also overlies the styloid process of the radius, the trapezium and the base of the thumb metacarpal.
done		e. Has its skin supplied by the radial nerve.
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