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Anatomy W Lei > 19 Quiz > Flashcards

19 Quiz Flashcards

1
Q

Carpal bones

A

Scaphoid, lunate, triquetrum, pisiform,
Trapezium, trapezoid, capitate, hamate

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2
Q

Main wrist and finger joints (6)

A

Radiocarpal
Carpometacarpal
Metacarpophalageal
Proximal interphalangeal
Distal interphalangeal
Interphalangeal (pollex)

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3
Q

Distal ulnar articulation

A

Triangular fibrocartilage complex (TFCC)

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4
Q

Palmar ligaments (3)

A

Flexor retinaculum: carpal tunnel
Pisohamate ligament: guyon’s canal
Palmar carpal ligament: houses ulnar nerve and artery

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5
Q

Extensor retinaculum: compartment 1

A

Extensor policis brevis
Abductor policis longus

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6
Q

Extensor retinaculum: compartment 2

A

Extensor carpi radialis brevis
Extensor carpi radialis longus

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7
Q

Extensor retinaculum: compartment 3

A

Extensor policis longus

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8
Q

Extensor retinaculum: compartment 4

A

Extensor digitorum
Extensor indicis

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9
Q

Extensor retinaculum: compartment 5

A

Extensor digiti minimi

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10
Q

Extensor retinaculum: compartment 6

A

Extensor carpi ulnaris

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11
Q

Snuff box borders

A

Lateral: extensor pollicis brevis
Medial: Extensor pollicis longus
Floor: scaphoid
Base: distal radius
Contents:
-deep: radial artery
- superficial: cephalic vein and superficial branch of radial nerve

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12
Q

Thenar eminence atrophy with carpal tunnel. What nerve is compromised?

A

Recurrent branch

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13
Q

How many fingers does median nerve have?

A

3.5
Digits 1,2,3, and half of 4th digit

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14
Q

What nerve innervates the palm?

A

Palmar branch of median

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15
Q

What nerve innervates the other half of digit 4 and digit 5?

A

Ulnar nerve

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16
Q

Erb’s palsy

A

Neck injury at birth pulling baby out.
Severe injury around C5-C6 sympathetic ganglion tear
* Horner’s syndrome sign’s/ symptoms

17
Q

Erb’s palsy sign’s

A

Forward - rotated shoulder
Upper arm redness
Muscle atrophy and diminished arm length
“Waiters tip” wrist posture

Anatomy W Lei (16 decks)

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