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A. White- Human Anatomy > The Brachial Plexus > Flashcards

The Brachial Plexus Flashcards

1
Q

V?

A

Posterior cord

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2
Q

M

A

Posterior (superior) (division)

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3
Q

I

A

Lower subscapular

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4
Q

T

A

Musculocutaneous nerve

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5
Q

C

A

Lower (trunk)

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6
Q

The medial pectoral, brachial and antebrachial cutaneous nerves arise from what cord?

A

medial cord

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7
Q

14

A

Trunks

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8
Q

P

A

Medial (cord)

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9
Q

L

A

Anterior (middle) (divison)

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10
Q

What is L?

A

Axillary artery

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11
Q

A

A

Upper (trunk)

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12
Q

N

A

Musculocutaneous

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13
Q

E?

A

Long thoracic nerve

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14
Q

11

A

Cords

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15
Q

What is B?

A

Posterior cord

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16
Q

What is C?

A

Median nerve

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17
Q

G?

A

Medial and lateral pectoral nerves

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18
Q

H

A

Inferior (trunk)

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19
Q

H

A

Upper subscapular

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20
Q

What spinal nerves make the long thoracic nerve?

A

C5 - 7

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21
Q

X?

A

Dorsal scapular nerve

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22
Q

3

A

Nerve to subclavius

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23
Q

Q

A

Posterior (cord)

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24
Q

M?

A

Radial nerve

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25
Q

P

A

Posterior cord

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26
Q

J

A

Union of median nerve roots

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27
Q

What is A?

A

Lateral cord

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28
Q

In the arm (brachium), what nerve is present in the posterior compartment?

A

radial nerve

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29
Q

What is D?

A

Lateral root

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30
Q

8

A

Thoracodorsal nerve

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31
Q

15

A

Roots (anterior rami)

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32
Q

V

A

Anterior (ventral) rami

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33
Q

M

A

Musculocutaneous nerve

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34
Q

What are the muscles in the anterior segment of the arm known as?

A

flexors (biceps and brachilais)

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35
Q

What is K?

A

Cutaneous nerve

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36
Q

E

A

T1

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37
Q

O

A

Lateral (cord)

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38
Q

F

A

Middle pectoral

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39
Q

The nerve to the subclavius arises from what region of the brachial plexus?

A

the upper trunk (C5 & C6)

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40
Q

12

A

Suprascapular nerve

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41
Q

You encounter a patient who has had lymph nodes removed has subsequently experienced pain in their arm. They are unable to raise their arm pst 90 degrees. What spinal nerve is most likely injured?

A

Long thoracic nerve (C5, 6, 7, raise your arms to heaven!)

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42
Q

E

A

Long thoracic

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43
Q

2

A

Long thoracic nerve

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44
Q

What is B?

A

Superficial branch of radial nerve

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45
Q

In the arm, what are the grouop of muscles in the posterior compartment called?

A

extensors (triceps).

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46
Q

C?

A

Phrenic nerve

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47
Q

What regions of the brachial plexus make up the supraclavicular region?

A

the roots and trunks.

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48
Q

L?

A

Deep branch

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49
Q

The thoracodorsal nerve and the upper & lower subscapular nerves arise from what cord?

A

posterior cord

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50
Q

X

A

Posterior (dorsal) root

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51
Q

In the arm (brachium), what nerve is present in the anterior compartment?

A

musculocutaneous nerve

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52
Q

T

A

Posterior divisions

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53
Q

E

A

T1

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54
Q

S

A

Lower trunk (C8-T1)

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55
Q

F?

A

Medial brachial cutaneous nerve

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56
Q

What is G?

A

Median nerve

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57
Q

A?

A

C5

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58
Q

7

A

Medial antebrachial cutaneous nerve

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59
Q

V

A

Nerve to subclavius

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60
Q

D

A

C8

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61
Q

The dorsal scapular nerve arises from what spinal nerve?

A

C5 of the brachial plexus.

62
Q

I?

A

Ulnar nerve

63
Q

What is I?

A

Radial nerve

64
Q

What is F?

A

Radial nerve

65
Q

I

A

Ulnar nerve

66
Q

W

A

Median nerve

67
Q

B

A

Middle (trunk)

68
Q

What is H?

A

Median nerve

69
Q

What is E?

A

Interosseous membrane

70
Q

6

A

Medial brachial cutaneous nerve

71
Q

B

A

C6

72
Q

W

A

Posterior (dorsal) rami

73
Q

G

A

Anterior division of C8-T1

74
Q

W?

A

Suprascapular nerve

75
Q

T

A

Middle trunk (C7)

76
Q

D

A

C8

77
Q

13

A

Divisions

78
Q

C

A

C7

79
Q

K

A

Median nerve

80
Q

4

A

Upper and lower subscapular nerves

81
Q

N?

A

Radial nerve

82
Q

N

A

Anterior (superior) (division)

83
Q

L

A

Radial nerve

84
Q

L

A

Median

85
Q

R

A

Anterior division of C5-C7

86
Q

What nerves make up the brachial plexus?

A

The ventral rami of C5 - T1.

87
Q

S?

A

Subscapular nerve

88
Q

You encounter a patient who nearly fell out of a tree, but grabbed onto a branch at the last minute. They experience pain and weakness in extending the fingers, and present a claw hand. What does the patient have, and what spinal nerves are affected?

A

Klumpke’s Palsy; C8 & T1 spinal nerves.

89
Q

In the forearm (antebrachium), what nerve is present in the posterior compartment?

A

radial nerve

90
Q

You encounter a infant patient that was abnormally pulled out of the birth canal. The patient’s arm is medially rotated, the wrist is flexed, and the patient is unable to move the elbow or forearm. What does the patient have, and what nerve roots are most likely affected?

A

Erb’s Palsy; C5 & 6

91
Q

5

A

Medial pectoral nerve

92
Q

You encounter a patient whose job includes spending long hours in front of a computer typing reports. They experience pain when flexing their second and third digits. What nerve is most likely affected?

A

Median nerve (C6 - T1 spinal nerve roots).

93
Q

In the forearm (antebracium), what nerves are present in the anterior compartment?

A

ulnar and median nerves

94
Q

P

A

Posterior (cord)

95
Q

B?

A

T1

96
Q

N

A

Axillary nerve

97
Q

W

A

Dorsal scapular

98
Q

You encounter a patient who experienced a frature to the humerus when playing football. They cannot fully abduct their arm or rotate it laterally. What nerve is most likely affected?

A

axillary nerve (C5 & 6)

99
Q

What is A?

A

Brachioradialis m.

100
Q

I

A

Anterior (inferior) (division)

101
Q

F

A

Posterior divisions of C5-T1

102
Q

P?

A

Musculocutaneous nerve

103
Q

D?

A

Nerve to the subclavius

104
Q

You encounter a patient who has fractured their right humerus (medial epicondyle) in a car accident. They have difficult flexing the wrist and fingers, as well as difficulty abducting and adducting them. What nerves have most likely been injured?

A

ulnar nerve (C8, T1, C7)

105
Q

T?

A

Medial cord

106
Q

O?

A

Median nerve

107
Q

A

A

C5

108
Q

What is C?

A

Medial cord

109
Q

The lateral pectoral nerve originates from what cord?

A

lateral cord.

110
Q

U

A

Axillary nerve

111
Q

1

A

Dorsal scapular nerve

112
Q

What are the names of the sections of the brachial plexus (starting at the roots?)

A

Roots, trunks, divisions, cords, branches

113
Q

U?

A

Lateral cord

114
Q

What is E?

A

Medial root

115
Q

What regions of the brachial plexus make up the infraclavicular region?

A

Divisions, cords and branches.

116
Q

9

A

Terminal branches (peripheral nerves)

117
Q

O

A

Medial cord

118
Q

B

A

C6

119
Q

Q?

A

axillary nerve

120
Q

F

A

Superior (trunk)

121
Q

What is D?

A

Ulnar nerve

122
Q

S

A

Lateral root

123
Q

V

A

Radial nerve

124
Q

J

A

Thoracodorsal

125
Q

R

A

Medial root

126
Q

KK

A

Ulnar

127
Q

A

A

C5

128
Q

C

A

C7

129
Q

K

A

Medial cutaneous nerves of the arm and forearm

130
Q

K?

A

Superficial branch

131
Q

U

A

Suprascapular

132
Q

G

A

Lateral pectoral

133
Q

J

A

Posterior (inferior) (divsion)

134
Q

K

A

Posterior (middle) (divsion)

135
Q

H?

A

Thoracodorsal nerve

136
Q

U

A

Upper trunk (C5-C6)

137
Q

S

A

Cords

138
Q

Q

A

Lateral cord

139
Q

What is J?

A

Axillary nerve

140
Q

10

A

Lateral pectoral nerve

141
Q

H

A

Axillary artery

142
Q

M

A

Radial

143
Q

R?

A

Axillary artery

144
Q

What is F?

A

Ulnar nerve

145
Q

D

A

Trunks

146
Q

You encounter a patient who has broken their humerus and leg and are currently using crutches. They experience pain in moving the wrist. What spinal nerve roots are most likely affected?

A

The radial nerve (C5 - T1).

147
Q

R

A

Lateral (cord)

148
Q

Q

A

Medial (cord)

149
Q

X

A

Ulnar nerve

150
Q

J?

A

Anterior interosseous nerve

151
Q

O

A

Axillary

152
Q

G

A

Middle (trunk)

A. White- Human Anatomy (23 decks)

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