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Gross Anatomy 1 > brachial plexus quiz > Flashcards

brachial plexus quiz Flashcards

1
Q

what are the roots of the brachial plexus?

A

C5, C6, C7, C8, T1

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2
Q

what are the trunks of the brachial plexus?

A

superior (upper), middle, and inferior (lower)

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3
Q

what roots make up the superior trunk?

A

C5/C6

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4
Q

what roots make up the middle trunk?

A

C7

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5
Q

what roots make up the inferior trunk?

A

C8/T1

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6
Q

what are the divisions of the BP?

A

3 anterior + 3 posterior

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7
Q

what are the cords?

A

lateral, posterior, + medial

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8
Q

what divisions make up the lateral cord?

A

anterior divisions from superior + middle trunk

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9
Q

what divisions make up the posterior cord?

A

the posterior divisions

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10
Q

what divisions make up the medial cord?

A

the anterior divisions of the inferior cord

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11
Q

what are the terminal branches of the BP?

A

musculocutaneous n, axillary n, radial n, median n, ulnar n

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12
Q

what are the terminal branches off of the lateral cord?

A

musculocutaneous n + median n

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13
Q

what are the terminal branches off of the posterior cord?

A

axillary n + radial n

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14
Q

what are the terminal branches off of the medial cord?

A

ulnar n + median n

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15
Q

what nerve branches come off of the C5 root?

A

dorsal scap n, branch to phrenic n, dorsal ramus, + C4 root contribution

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16
Q

what nerve branches come off of T1 root?

A

1st intercostal n + T2 root contribution

17
Q

what roots does the nerve longus colli + scalene m come from?

A

C5, C6, C7, + C8

18
Q

what roots does the long thoracic n come from?

A

C5, C6,+ C7

19
Q

what trunk does the suprascapular n come from?

A

superior (C5/C6 roots)

20
Q

what trunk does the n to subclavius m come from?

A

superior (C5/C6 roots)

21
Q

how many nerve branches come off of the lateral cord?

A

1

22
Q

what cord does the lateral pec n come from?

A

lateral (C5/C6/C7 roots)

23
Q

how many nerve branches come off of the posterior cord?

A

3

24
Q

what cord does the upper scap n come from?

A

posterior cord (C5/C6 root)

25
Q

what cord does the thoracodorsal (middle subscap) n come from?

A

posterior cord (C6/C7/C8 roots)

26
Q

what cord does the lower subscap n come from?

A

posterior cord (C5/C6 roots)

27
Q

how many nerve branches come off of the medial cord?

A

3

28
Q

what cord does the medial pec n come from?

A

medial cord (C8/T1 roots)

29
Q

what cord does the medial brachial cut n come from?

A

medial cord (T1 roots)

30
Q

what cord does the medial antebrachial cut n come from?

A

medial cord (C8/T1 roots)

31
Q

what are the spinal levels of the musculocutaneous n?

A

C5/C6/C7

32
Q

what are the spinal levels of the axillary n?

A

C5/C6

33
Q

what are the spinal levels of the radial n?

A

C5/C6/C7/C8/T1

34
Q

what are the spinal levels of the median n?

A

C5/C6/C7/C8/T1

35
Q

what are the spinal levels of the ulnar n?

A

C7/C8/T1

Gross Anatomy 1 (9 decks)

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