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MS100 > lecture 9 > Flashcards

lecture 9 Flashcards

1
Q

Anterior Roots:

Originate from the ______of the cord

A

anterior aspect

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2
Q

Anterior Roots: Carry _____ only

A

motor information

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3
Q

Anterior Roots: No associated ____

A

ganglion

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4
Q

Posterior Roots Originate from the_____ of the cord

A

posterior aspect

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5
Q

Posterior Roots Carry ______only

A

sensory information

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6
Q

Posterior Roots Have an _____

A

associated ganglion

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7
Q

The anterior and posterior roots come together to form ____

A

spinal nerves

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8
Q

Spinal nerves contain _____

A

both sensory (arriving) and motor (exiting) information

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9
Q

Spinal nerves travel through ______, bilateral openings within the vertebrae

A

intervertebral foramina (IVFs)

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10
Q

Spinal nerves then split just distal to the IVF into: ______ and ______

A

Anterior Primary Rami: Posterior Primary Rami:

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11
Q

Anterior Primary Rami branch____

A

anteriorly

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12
Q

Anterior Primary Rami Innervate _____

A

muscles and structures of the upper and lower limbs via plexuses

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13
Q

Posterior Primary Rami: Branch ____

A

posteriorly

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14
Q

Posterior Primary Rami: Innervate ____

A

deep muscles of the back

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15
Q

Posterior Primary Rami: Also innervate ____

A

skin of the dorsal (posterior) surface of the trunk

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16
Q

Brachial Plexus Formed by ______

A

anterior primary rami of nerve roots C5-T1

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17
Q

Brachial Plexus From proximal to distal, the brachial plexus can be divided into:

A

Roots Rugby

Trunks Teams

Divisions Drink

Cords Cold

Branches Beer

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18
Q

Brachial Plexus Roots of _____ unite to form the superior trunk

A

C5 & C6

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19
Q

Brachial Plexus Roots of __ continue as the middle trunk

A

C7

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20
Q

Brachial Plexus Roots of _____ unite to form the inferior trunk

A

C8 and T1

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21
Q

C5 -T1 make up the ____

A

brachial plexus

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22
Q

The posterior division of all three trunks unite to form the _____

A

posterior cord

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23
Q

The anterior division of the superior and middle trunks unite to form the _____

A

lateral cord

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24
Q

The anterior division of the inferior trunk continues as the _____

A

medial cord

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25
Q

spinal nerve c8 comes out between ___ and ___

A

c7 and t1 vertebrae

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26
Q

The cords sit ___ _____ and ____ to the artery

A

medial, lateral and posterior

27
Q

The cords and most of their branches lie within the axilla (deep to _____

A

pec minor)

28
Q

Five Terminal Branches

A

Musculocutaneous Nerve

Axillary Nerve

Radial Nerve

Median Nerve

Ulnar Nerve

29
Q

MARMU (lateral to medial)

A

Musculocutaneous Nerve

Axillary Nerve

Radial Nerve

Median Nerve

Ulnar Nerve

30
Q

Dorsal scapular nerve _____ and ___

A

(C4), C5

31
Q

Dorsal scapular nerve (C4), C5 Innervates _______ and _____

A

levator scapulae, rhomboids

32
Q

Long thoracic nerve ___ ____

A

C5,6,7

33
Q

Phrenic nerve ____ ___

A

C3,4,5

34
Q

C3,4,5
Innervates _____

A

diaphragm

35
Q

C5,6,7
Innervates ______

A

serratus anterior

36
Q

Nerve to Subclavius ____
Innervates subclavius

A

C5,6

37
Q

Suprascapular Nerve C(4),5,6
Innervates ____ and ____

A

supraspinatus & infraspinatus

38
Q

Suprascapular Nerve C(4),5,6
Travels through ____ deep to transverse scapular ligament

A

suprascapular notch

39
Q

Medial Pectoral Nerve ____

A

(C7),8,T1

40
Q

Medial Pectoral Nerve (C7),8,T1
Innervates _____

A

pectoralis minor and major

41
Q

Medial Brachial Cutaneous Nerve____
Cutaneous sensation to the medial arm

A

T1

42
Q

Medial Antebrachial Cutaneous Nerve ____

A

C8,T1

43
Q

Medial Antebrachial Cutaneous Nerve C8,T1
Cutaneous sensation to the -____

A

medial forearm

44
Q

Terminal Branches From the Medial Cord: Innervates muscles in the _____

A

medial forearm and hand

45
Q

Terminal Branches From the Medial Cord: Cutaneous innervation to _____

A

5th and medial half of 4th digits

46
Q

Musculocutaneous Nerve C5,6,(7) Pierces _____

A

coracobrachialis

47
Q

Upper subscapular C5,6
Innervates ______

A

subscapularis

48
Q

Thoracodorsal Nerve C6,7,8
Innervates _____

A

latissimus dorsi

49
Q

Lower Subscapular Nerve
Innervates ____ and _____

A

subscapularis & teres major

50
Q

plate 433 for simplified brachial plexus

A
51
Q

Axillary Nerve C5,6
Innervates ____, _____ and cutaneous sensation to lateral shoulder

A

deltoid, teres minor

52
Q

Axillary Nerve __, ___

A

C5,6

53
Q

Radial Nerve ____

A

C5,6,7,8,T1

54
Q

Radial Nerve C5,6,7,8,T1

Innervates _____

A

mm of posterior arm & forearm

55
Q

Radial Nerve Cutaneous innervation to posterior arm, forearm and _______

A

1st-3rd digits posteriorly

56
Q

compression squished by ___

A

bone

57
Q

entrapment squished by _____

A

soft tissue

58
Q

Median Nerve _____

A

C5,6,7,8,T1

59
Q

Median Nerve Innervates _____

A

most mm of anterior forearm and some intrinsic hand mm

60
Q

Median Nerve Cutaneous innervation to ______ and tips of same digits posteriorly

A

1st to lateral half of 4th digit anteriorly

61
Q

423 plate cutaneous innervation

A
62
Q

Axillary Artery:

Branch of the _____

A

subclavian artery

63
Q
A

MS100 (16 decks)

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