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ANAT 315 > Stu’s Questions > Flashcards

Stu’s Questions Flashcards

1
Q

The Thenar Muscles all cont Ian this word in their name.

A

Pollicis

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2
Q

What represents the bottom (proximal) row of carpal bones?

A

Scaphoid, lunate, triquetrum, pisiform

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3
Q

What is the origin of the abductor pollicis brevis?

A

Scaphoid and flexor retinaculum

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4
Q

The capitate articulates with what metacarpals?

A

3 only

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5
Q

The median nerve supplies which lumbricals?

A

The lateral pair

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6
Q

The origin of the transverse head of adductor pollicis is…?

A

Metacarpal 3

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7
Q

The interossei cause…?

A

Extension of IP joints and flexion of MP joints

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8
Q

A patient loses feeling on their posterior hand, but can still feel their fingertips. What nerve is affected?

A

Radial nerve

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9
Q

What is the common extensor origin (CEO)?

A

Medial epicondyle

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10
Q

Flexor carpi radialis inserts on what metacarpals?

A

2 and 3

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11
Q

Running through the carpal tunnel are the…?

A

Median nerve and deep flexors

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12
Q

Flexor carpi ulnaris inserts on…?

A

Pisiform, hamate, and metacarpal 5

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13
Q

The origin of the flexor digitorum superficialis includes all of…?

A

Medial epicondyle

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14
Q

What is NOT a deep muscle of the forearm?

A

Palmaris longus

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15
Q

Extensor carpi radialis brevis inserts onto…?

A

Metacarpal 3

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16
Q

What nerve innervates the entire posterior forearm?

A

Radial nerve

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17
Q

What is the order of the 3 snuff box components from lateral to medial?

A

Abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis

18
Q

What is the only arm muscle that doesn’t attach to the humerus?

A

Biceps brachii

19
Q

What is the origin of the LONG head of the bicep?

A

Supraglenoid tubercle

20
Q

What is the insertion of the brachialis?

A

Ulnar tubercle

21
Q

What is the origin of the LONG head of the triceps?

A

Infraglenoid tubercle

22
Q

What is the origin of the LATERAL head of the triceps?

A

Proximal humerus

23
Q

The coracobrachialis shares an attachment (origin or insertion) with…?

A

Short head of biceps and pectoralis minor

24
Q

In the HAND, the median nerve supplies…?

A

Thenar muscles and the lateral 2 lumbricals

25
Q

Where does the teres minor insert?

A

Inferior facet of greater tubercle

26
Q

What is the action of the supraspinatus?

A

Abduction

27
Q

The infraspinatus is mainly a…?

A

Lateral rotator

28
Q

What is the origin of the teres minor?

A

Lower lateral border of scapula

29
Q

What is the only rotator cuff muscle that inserts on the lesser tubercle?

A

Subscapularis

30
Q

Medial rotators of the arm include…?

A

Subscapularis, pectoralis minor, latissimus dorsi

31
Q

The posterior deltoid performs ______ of the arm?

A

Extension

32
Q

What is the origin of the pectoralis minor?

A

Ribs 3-5

33
Q

What is the origin of the coastal head of the pectoralis major?

A

6 upper coastal cartilages and adjoining sternum

34
Q

What is the insertion of the teres major?

A

Medial lip of bicipital groove

35
Q

Upward rotation of the glenoid fossa is done by…?

A

Upper and lower trapezius

36
Q

The rhomboids do what…?

A
  1. Elevate the scapula
  2. Downward rotation of glenoid fossa
37
Q

The owner trapezius fibres rotate the glenoid fossa (TRUE/FALSE)

A

False

38
Q

If the medial CORD of the brachial plexus was severed, what arm movement would be most affected?

A

Adduction and medial rotation

39
Q

What would be NOT likely detected in a patient whose median nerve was severed in the arm?

A

Paralysis of 2 major muscles in the arm that move the elbow joint

40
Q

The symptom of numbness in the palmar region often associated with carpal tunnel syndrome is caused by…?

A

Compression of the median nerve within the carpal tunnel

41
Q

The long thoracic nerve comes from…?

A

C5, C6, C7

ANAT 315 (9 decks)

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