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USMLE STEP 1 > Anatomy > Flashcards

Anatomy Flashcards

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USMLE® Step 1 flashcards
0
Q

Epidermal appendages (glands)

A

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1
Q

Epidermal layers

A

Californians like girls in string bikinis

378

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2
Q

Epithelial cell junctions

A

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3
Q

Clinical landmarks:
Pudendal nerve block
Appendix (mcbarneys)
LP

A

379

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4
Q

Rotator cuff muscles

A

Sits

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5
Q

Wrist bones

A

So long the pinky, here comes the thumb

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6
Q

Upper limb nerve routes & common lesions

A

380

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7
Q

Dermatomes of the upper limb/hand

A

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8
Q

Innervation of the hand

A

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9
Q

Cutaneous innervation of the hand

A

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10
Q

Brachial plexus

A

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11
Q

Upper extrem Nerves:

Axillary (CS, C6)
Radial (CS-Tl)
Median (CS-CB, Tl)
Ulnar (CB, Tl)
Musculocutaneous (CS-C7

A

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12
Q

Muscles of the hand:
Thenar (nerve)-list
Hypothenar (nerve)-list
–>Action for both groups
Dorsal interosseous muscles-action
Palmar interosseous muscles-action
Lumbrical muscles-action

A

_Thenar (median)-Opponens pollicis, Abductor pollicis brevis, Flexor pollicis brevis.
_Hypothenar (ulnar)-Opponens digiti minimi, Abductor digiti minimi, Flexor digiti minimi.
–>Both groups perform the same functions: Oppose, Abduct, and Flex (OAF).

_Dorsal interosseous muscles-abduct the fingers.
_Palmar interosseous muscles-adduct the
Fingers.
–> DAB= Dorsals ABduct. PAD= Palmars ADduct.

Lumbrical muscles-flex at the MCP joint, extend PIP and DIP joints.

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13
Q

Lower extremity nerves

A 
PED= Peroneal Everts and Dorsifl.exes; if injured, foot dropPED.

TIP= Tibial Inverts and Plantarfl.exes; if injured, can't stand on TIPtoes.

Sciatic nerve (L4-S3)-posterior thigh, splits into common peroneal and tibial nerve.
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14
Q

Skel vs smooth Muscle contraction

A

384-6

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15
Q

Components of sarcomere

A

384

16
Q

Type 1 vs type 2 muscle fibers

A

1 slow red ox

384

17
Q

Bone formation:

Endochondral vs membranous ossification

A

386

18
Q 
Cell biology of bone: 
Osteoblasts
Osteoclasts
Pth
Estrogen
A

386

USMLE STEP 1 (5 decks)

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