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IUSM Anatomy > Quiz 2 Practice Questions > Flashcards

Quiz 2 Practice Questions Flashcards

1
Q

What blood vessels perfuses the medial head of the triceps?

A

profunda brachii branch of the brachial artery

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2
Q

What blood vessel perfuses the origin of the ECRL?

A

radial recurrent branch of the radial artery

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3
Q

What spinal level(s) are being assessed by tapping the triceps tendon?

A

C6-C7

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4
Q

What spinal level(s) are being assessed by tapping the biceps tendon?

A

C5-C6

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5
Q

What is the anatomical relationship between the flexor retinaculum to the palmer cutaneous branch of the median nerve?

A

posterior

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6
Q

What is the anatomical relationship between the superficial branch of the radial nerve to the brachioradialis?

A

medial

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7
Q

What is the anatomical relationship between the insertion of the biceps tendon to the radial artery?

A

lateral

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8
Q

What is the relationship between the ulnar nerve to the ulnar artery in Guyon’s canal?

A

medial

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9
Q

What is the relationship between the tendon of the 3rd lumbrical to the proximal phalanyx of the ring finger?

A

lateral

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10
Q

What embryonic germ layer gives rise to the Schwann cells?

A

neuroectoderm

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11
Q

What embryonic germ layer gives rise to the lactiferous ducts?

A

ectoderm

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12
Q

What does the notochordal canal do?

A

nothing

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13
Q

What germ layer does somatopleure come from?

A

ectoderm (referring to the body wall)

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14
Q

What germ layer is dermis derived from?

A

mesoderm

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15
Q

What germ layer is epidermis derived from?

A

ectoderm

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16
Q

You find a patient with:

loss of abduction of the ring, middle and little finger

good flexion at the 4th and 5th DIP joints

strong wrist flexion

where is the lesion?

A

ulnar nerve lesion distal to the muscular innervation of FDP, lesion is in Guyon’s canal

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17
Q

You find a patient with:

weak abduction of her left arm

paresthesia over the lateral left arm

weak elbow flexion in the left arm

no problem retracting the scapula

where is the lesion?

A

superior trunk (C5-C6) of brachial plexus

18
Q

Trace a drop of blood from the aorta to the right scaphoid bone

A

aorta, brachiocephalic trunk, subclavian artery, axillary artery, brachial artery, radial artery, superficial branch of radial artery

19
Q

What nerve innervates the superficial head of the FPB?

A

recurrent branch of the median

20
Q

Which nerve innervates the skin of the nail bed of the right pointer finger?

A

proper digital cutaneous branch of the median nerve

21
Q

Dupuytren’s contracture is a disease of the?

A

palmer apopneurosis

22
Q

Which muscle usually contributes to the pain associated with lateral epicondylitis?

A

ECRB

23
Q

Name the structures located in each extensor compartment at the level of the distal forearm

A

1: APL and EPB tendon
2: ECRL and ECRB tendon
3: EPL tendon
4: ED and EI tendon
5: EDM tendon
6: ECU tendon

24
Q

What patient assessment should you perform to confirm a diagnosis of cubital tunnel syndome?

A

test for “OK” sign

25
Q

What is the blood supply to the proximal attachment of the ECRL?

A

radial recurrent artery

26
Q

Which nerve supplies sensory innervation to the skin over the anatomical snuff box?

A

superficial radial nerve

27
Q

Which nerve provides prioprioreceptive innervation of the 3rd DIP joint?

A

median

28
Q

Which nerve provides innervation to the 3rd lumbrical?

A

deep branch of the ulnar

29
Q

anatomical relationship of median nerve to the brachial artery at the cubital fossa

A

medial

30
Q

anatomical relationship of the intercostal vein to the intercostal nerve at ICS4

A

superior

31
Q

anatomical relationship of the ECRB to the EPB where they cross?

A

anterior

32
Q

Which structures are found in Guyon’s canal?

A

ulnar nerve and artery

33
Q

Name three functional deficits resulting from traumatic injury to Guyon’s canal.

A

abduction of 5th digit

adduction of 2nd, 4th, and 5th digits and thumb

flexion of 4th and 5th MP joints; extension of 4th/5th IP joints

34
Q

What is the blood supply to the common flexor tendon?

A

anterior ulnar recurrent

35
Q

You find a patient with weak pronation of the forearm and weak key pinch, where is the lesion?

A

anterior interosseous nerve lesion

36
Q

Trace a drop of blood from the heart to the 3rd lumbrical on the right hand.

A

aorta, brachiocephalic trunk, subclavian artery, axillary artery, brachial artery, ulnar artery, palmar branch of the ulnar artery, 3rd lumbrical

37
Q
A
38
Q

Which germ layer gives rise to all skeletal muscles?

A

embryonic mesoderm

39
Q

Which germ layer gives rise to the epithelial linings of the respiratory and alimentary tracts?

A

embryonic endoderm

40
Q

Which germ layer gives rise to the eyes?

A

embryonic ectoderm

41
Q
A

IUSM Anatomy (16 decks)

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