Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

T2 - GA II. Unit 1 > Cervical triangles & Contents > Flashcards

Cervical triangles & Contents Flashcards

no notes on the arteries in this section notes up to S33 (done at corner bakery)

1
Q

The cervical plexus is formed from ____

A

VR of C1-C4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The cervical plexus runs in relation to the _____V.

A

internal Jugular V.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Name the 4 Sensory branches of the cervical plexus

A

lesser occipital
greater auricle
transverse cervical
supraclavicular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Root of the lesser occipital

A

C2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does the lesser occipital N. (C2) innervate

A

skin of the neck and scalp (post./ sup) to the auricle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Sensory innervation for the skin of the neck and scalp (post./ sup) to the auricle ?

A

Lesser occipital (C2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Sensory innervation that supplies the skin over the parotid gland

A

Greater auricle (C2,C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Sensory innervation of the skin over the mastoid process

A

Greater auricle (C2,C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Sensory innervation for the skin over the auricle

A

Greater auricle (C2,C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Sensory innervation for the skin extending from the mandible to the mastoid process

A

Greater auricle (C2,C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Branch of the cervical plexu that arises from the anterior rami of C3-C4

A

Supraclavicular N

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Sensory innervation of the clavicle and over the shoulder

A

Supraclavicular N (C3-C4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Nerve root of the supraclavicular N

A

C3,C4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Nerve root of the great auricle

A

C2,C3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Nerve root of the transverse cervical

A

C2,C3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Sensory innervation of the anterior cervical region

A

Transverse cervicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Root of the motor innervation for the SCM from the cervical plexus

A

C2,C3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Root of the motor innervation for the Levator Scap

A

C3,C4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Root of the motor innervation of the trapezius from the cervical plexus

A

C3,C4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What muscles make up the infrahyoid muscles (4)

A
  1. thyroid
  2. omohyoid
  3. Sternohyoid
  4. Sternothyroid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Motor innervation to the infrahyoid muscles

A

ansa cervicalis (C1-C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Motor innervation to the thyrohoid

A

Ansa Cervicalis (C1-C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Motor innervation to the omohyoid

A

ansa cervicalis (C1-C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Motor innervation to the sternohyoid

A

ansa cervicalis (C1-C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Motor innervation to the sternothyroid

A

Ansa Cervicalis (C1-C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What two roots make up the ansa cervicalis

A 
Superior root (C1)
Inferior root (C2,C3)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

branch from C1 that joins the hypoglossal N and then separates to form the _____

A

superior root

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Branch from C1 joins the ______ N and then separates to form the superior root that later forms the ____

A

hypoglossal N

Ansa Cervicalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

The inferior root is made up of the descending cervical N which carries ___ &___

A

C2, C3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The phrenic arises from ____

A

C3,C4,C5 (keep the diaphragm alive)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Nerve innervation of the platysma M

A

Facial N (CN 7)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Nerve innervation for the SCM

A 
Accessory N (CN 11) 
C2,C3
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Nerve innervation for the ant. Scalene

A

VR. C4-C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Nerve innervation for the middle scalene

A

C3-C8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Nerve innervation for the posterior scalene

A

VR of C6-C8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Action of the platysma M

A

depresses mandible

draws lower lip & angle of mouth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Action of the SCM

A

Bilat: EXTENDS head at the atlanto-occipital joint

Unilat: bends the neck

Ipsi: rotates head contralaterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Which scalene also rotates the neck

A

ant. scalene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Which scalene elevates Rib 2

A

Posterior scalene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Origin of the Anterior scalene

A

TP of C3-C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Origin of Middle scalane

A

TP C2-C7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Origin of the Post. scalene

A

C4-C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Boundaries of the posterior triangle

A

Ant- SCM
post- Trap
Inf- middle 1/3rd of the clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

4 art. that run through the post. triangle

A

subclavian
superficial (transverse cervical )
Suprascapular
Occipital art

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

2 veins that run through the post triangle

A

ext. jugular

subclavial v

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

3 nerves that run through the post. triangle

A

brachial plexus
cervical plexus
CN 11 accessory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

What are the two subdivision (triangles) within the post. triangle

A

occipital triangle & SUBclavicular triangle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Boundaries of the occipital triangle

A

SCM
Inf. belly of the omohyoid
Trap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Boundaries of the subclavicular triangle

A

SCM
inf. belly of the omohyoid
middle third of the clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

origin of the platysma M

A

deep fascia covering the pec major and deltoid M

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Insertion of the platysma M

A

Lower margin of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Origin of the SCM

A

Manibrium

medial 1/3rd of the clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Insertion of the SCM

A

mastoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

What 4 muscles make up the suprahoid muscle group

A

mylohoid
geniohyoid
stylohyoid
digastric

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Origin of digastric

A

posterior belly: mastoid process

Insertion: anterior belly- digastric fossa of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Insertion of the digastric M

A

Anterir belly: digastric fossa of the mandible

Origin: post belly- mastoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Action of the digastric M

A

chewing- depresses the mandible

Swallowing- elevates the hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

Innervation of the digastric M

A

Post belly- Facial N

Ant belly- N. to mylohoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

origin of the Stylohyoid M

A

styloid process

insertion: hyoid bone at the jxn of the body and greater cornu

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Insertion of the stylohoid M

A

hyoid bone at the jxn of the body and greater cornu

Origin: styloid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Action of the stylohoid M

A

Elevates the hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Innervation of the stylohoid M

A

facial N

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

Origin of the mylohoid M

A

Myolohyoid line of the mandible

insertion: Hyoid bone, raphe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

Insertion of the myohoid M

A

Post: hyoid
Ant: raphe, that extends from symphysis menti to the body of the hyoid

origin myohoid line of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Action of the myohoid M

A

elevates hyoid when mandible is fixed

depresses mandible when hyoid is fixed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Innervation of the myohoid M

A

myohyoid N (a branch of the inferior alveolar N )

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Myohoid N is a branch of the _____N

A

inferior alveolar N

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

Origin of the geniohyoid M

A

Inf. Mental spine of the mandible

insertion: hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

Insertion of the geniohyoid M

A

hyoid bone

Origin: inferior mental spine of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Action of the geniohyoid M

A

Fixed mandible: elevates and pulls forward the hyoid

Fixed hyoid: depresses mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

Innervation of the geniohyoid M

A

Ant. ramus of C1

C1 is carried by the hypoglossal N

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

4 muscles that make up the infrahyoid Muscle group

A

omohyoid
sternohyoid
sterothyroid
thyrohyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

_____ is carried by the hypoglossal N

74
Q

______M has 2 belles that is connected by an intermediate tendon deep to the SCM

A

Omohyoid M

75
Q

Origin of the omohyoid M

A

inferior belly: scapula & Suprascapular lig

Insertion: superir belly- hyoid bone

intermediate tendon- help by a lopp of fascia that slings the tendon to the clavicle and 1st rib

76
Q

Action of the omohyoid M

A

depresses hyoid

77
Q

Innervation of the omohyoid M

A

ansa cervicalis (C1-C3)

78
Q

Origin of the sternohyoid M

A

Posterior surface of the manubrium sterni & clavicle

insertion: hyoid

79
Q

insertion of the sternohyoid M

A

hyoid

Origin: manubrium sterni & clavicle

80
Q

action of the sternohyoid M

A

depresses hyoid

81
Q

innervation of the sternohyoid M

A

ansa cervicalis (C1-C3)

82
Q

Origin of the sternothyroid M

A

posterior surface of the manubrium sterni & clavicle

Insertion: thyroid cartilage

83
Q

insertion of the sternothyroid M

A

thyroid cartilage

origin: posterior surface of the manubrium sterni & clavicle

84
Q

Action of the sternothyroid

A

depression of the larynx

85
Q

Innervation of the sternothyroid M

A

Ansa Cervicalis (C1-C3)

86
Q

Origin of the Thyrohyoid M

A

thyroid Cartilage

insertion: hyoid

87
Q

Insertion of the thyrohyoid M

A

Hyoid

origin: thyroid cartilage

88
Q

Action of the thyrohyoid

A

depresses hyoid

elevates larynx

89
Q

Innervation of the thyrohyoid M

A

C1 (through the hypoglossa N )

90
Q

Action of the geniohyoid M

A

Fixed mandible: elevates and pulls forward the hyoid

Fixed hyoid: depresses mandible

91
Q

Innervation of the geniohyoid M

A

Ant. ramus of C1

C1 is carried by the hypoglossal N

92
Q

Innervation of the geniohyoid M

A

Ant. ramus of C1

C1 is carried by the hypoglossal N

93
Q

_____ is carried by the hypoglossal N

94
Q

_____ is carried by the hypoglossal N

95
Q

4 muscles that make up the infrahyoid Muscle group

A

omohyoid
sternohyoid
sterothyroid
thyrohyoid

96
Q

4 muscles that make up the infrahyoid Muscle group

A

omohyoid
sternohyoid
sterothyroid
thyrohyoid

97
Q

______M has 2 belles that is connected by an intermediate tendon deep to the SCM

A

Omohyoid M

98
Q

______M has 2 belles that is connected by an intermediate tendon deep to the SCM

A

Omohyoid M

99
Q

Origin of the omohyoid M

A

inferior belly: scapula & Suprascapular lig

Insertion: superir belly- hyoid bone

intermediate tendon- help by a lopp of fascia that slings the tendon to the clavicle and 1st rib

100
Q

Origin of the omohyoid M

A

inferior belly: scapula & Suprascapular lig

Insertion: superir belly- hyoid bone

intermediate tendon- help by a lopp of fascia that slings the tendon to the clavicle and 1st rib

101
Q

Action of the omohyoid M

A

depresses hyoid

102
Q

Action of the omohyoid M

A

depresses hyoid

103
Q

Innervation of the omohyoid M

A

ansa cervicalis (C1-C3)

104
Q

Innervation of the omohyoid M

A

ansa cervicalis (C1-C3)

105
Q

Origin of the sternohyoid M

A

Posterior surface of the manubrium sterni & clavicle

insertion: hyoid

106
Q

Origin of the sternohyoid M

A

Posterior surface of the manubrium sterni & clavicle

insertion: hyoid

107
Q

insertion of the sternohyoid M

A

hyoid

Origin: manubrium sterni & clavicle

108
Q

insertion of the sternohyoid M

A

hyoid

Origin: manubrium sterni & clavicle

109
Q

action of the sternohyoid M

A

depresses hyoid

110
Q

action of the sternohyoid M

A

depresses hyoid

111
Q

innervation of the sternohyoid M

A

ansa cervicalis (C1-C3)

112
Q

innervation of the sternohyoid M

A

ansa cervicalis (C1-C3)

113
Q

Origin of the sternothyroid M

A

posterior surface of the manubrium sterni & clavicle

Insertion: thyroid cartilage

114
Q

Origin of the sternothyroid M

A

posterior surface of the manubrium sterni & clavicle

Insertion: thyroid cartilage

115
Q

insertion of the sternothyroid M

A

thyroid cartilage

origin: posterior surface of the manubrium sterni & clavicle

116
Q

insertion of the sternothyroid M

A

thyroid cartilage

origin: posterior surface of the manubrium sterni & clavicle

117
Q

Action of the sternothyroid

A

depression of the larynx

118
Q

Action of the sternothyroid

A

depression of the larynx

119
Q

Innervation of the sternothyroid M

A

Ansa Cervicalis (C1-C3)

120
Q

Innervation of the sternothyroid M

A

Ansa Cervicalis (C1-C3)

121
Q

Origin of the Thyrohyoid M

A

thyroid Cartilage

insertion: hyoid

122
Q

Origin of the Thyrohyoid M

A

thyroid Cartilage

insertion: hyoid

123
Q

Insertion of the thyrohyoid M

A

Hyoid

origin: thyroid cartilage

124
Q

Insertion of the thyrohyoid M

A

Hyoid

origin: thyroid cartilage

125
Q

Action of the thyrohyoid

A

depresses hyoid

elevates larynx

126
Q

Action of the thyrohyoid

A

depresses hyoid

elevates larynx

127
Q

Innervation of the thyrohyoid M

A

C1 (through the hypoglossa N )

128
Q

Innervation of the thyrohyoid M

A

C1 (through the hypoglossa N )

129
Q

Nerve root of the greater occipital N

130
Q

______ N innervates the scalp at the top of the head, over the ear and over the parotid glands.

A

Greater occipital DR C2

131
Q

Where does the Greater occipital N exit from ?

A

suboccipital triangle - then through the trap

132
Q

name the boundaries of the anterior triangle

A

anterior: midline of the neck
Posterior: SCM
Superior: Lower margin of the mandible

133
Q

What two muscles can subdivide the anterior triangle

A

omohyoid

digastric

134
Q

Boundaries of the carotid triangle

A

Medial: omohyoid
Lateral: SCM
Superior: posterior digastric

135
Q

Name the A & V that go through the carotid triangle

A

common carotid art
External carotid art
Internal common carotid

136
Q

Name the nerves that pass through the carotid triangle

A

internal & external laryngeal N
glossopharyngeal (IX)
Vagus (X)
Accessory (XI)

137
Q

Structure that is housed in the carotid triangle

A

lymph nodes

138
Q

Boundaries of the muscular triangle

A

Medial: midline of the neck
Inferior: SCM
Superior: superior belly of omohyoid

139
Q

Muscles that reside in the muscular triangle

A

sternohyoid

Sternothyroid

140
Q

Structures that reside in the muscular triangle

A

thyroid gland
larynx
trachea
esophagus

141
Q

Nerve that passes through the Muscular triangle

A

Recurrent laryngeal N

142
Q

Boundaries of the submental Triangle

A

medial: midline of the neck
Lateral: ant belly of the digastric
Inf: Hyoid Bone

143
Q

Contents within the submental Triangle

A

lymph nodes

anterior jugular V (begins here)

144
Q

The anterior jugular V begins in the ____ triangle

145
Q

Boundaries of the digastric triangle

A

Medial: anterior digastric
Lateral: posterior digastric
Superior: mandible

146
Q

What glands goes the digastric house

A

parotid gland

Submandibular gland

147
Q

What nerves pass through the digastric Triangle

A

hypoglossal (XII)
vagus (X)
glossopharyngeal (IX)
mylohoid (innervates the ant. belly)

148
Q

What structures reside in the digastric triangle

A

styloid

lymph node

149
Q

Root of the transverse cervical N

150
Q

Root of the supraclavicular N

151
Q

O & I of the platysma

A

O: deep fascia covering the pec major and deltoid M

I: Lower margin of the body of the mandible

152
Q

Nerve supply to the platysma

A

cervical branch of the facial nerve

153
Q

Action of the platysma

A

depresses mandible

draws the lower lip and angle of the mouth

154
Q

Name the three motor branches of the cervical pplexus

A 
ansa cervicalis (C1--C3) 
phrenic C3,C4,C5
Segmental branches (C1-C4)
155
Q

motor innervation for the geniohyoid

A

ansa cervicalis (C1)

156
Q

Motor innervation for the thryohyoid

A

ansa cervicalis (C1)

157
Q

Motor innercation for the sternothyroid

A

ansa cervicalis

158
Q

Motor innercation for the sternothyroid

A

ansa cervicalis (C1-C3)

159
Q

Motor innercation for the omohyoid

A

ansa cervicalis (C1-C3)

160
Q

ansa cervicalis is a branch off the _____

A

cervical plexus

C1-C3

161
Q

roots of the ansa cervicalis

162
Q

anterior and middle scalenes are innervated by the ______

A

segmental branches (C1-C4)

  • motor nerves of the cervical plexus
163
Q

segmental branches of the cervical plexus innervate _________ and are motor/sensory?

A

anterior and middle scalane

motor

164
Q

__N. path is btw the semispinalis and spenalus capitus

A

greater occipital (C2)

165
Q

__N path goes along the posterior border of the SCM

A

Lesser occipital (C2)

166
Q

_______ N accompanies the external jugular V

A

greater auricular (C2,3)

167
Q

the greater auricular N accompanies the ______

A

external jugular V

168
Q

_______ N crosses the SCM

A

transverse cervical (C2,3)

169
Q

_____ V drains the scalp and side of the face

A

External jugular V

170
Q

_____ V starts at the angle of the mandible and the union of the posterior auricular vein

A

external jugular V

171
Q

Retromandibular V & posterior auricular V joing to form the _____

A

external jugular V

172
Q

external jugular v drains into the ______

A

subclavian V

173
Q

_______ V drains into the EJV above the suprasternal notch. Have to watch out for it when doing a trachiotomy

A

anterior jugular V

174
Q

_____ divides the neck into anterior and posterior triangles

175
Q

N supply to the SCM

A

Accessory N

C2,C3

176
Q

Brachial plexus is formed by _____ rami

A

ventral rami of C5-T1

177
Q

Btw what two muscles is the brachial plexus

A

anterior and middle scalene

178
Q

the brachial plexus is covered by the _____

A

axillary sheath

179
Q

two roots that come off of the brachial plexus

A
  1. dorsal scapular

2. long thoracic N

180
Q

cc. baby comes out arm first and there is a lesion to the lower trunk of the brachial plexus . Name of condition

A

Klumke palsy
- affects ulnar N & median

“Claw hand deformity”

181
Q

C.c. dr. pulls babys head to hard during deformity and causes a lesion to the upper trunk of the brachial plexus . Condition name

A

Erb’s duchenne palsy

affects supraspinatus –> IR , no arm flexion

“waiters tip position”

T2 - GA II. Unit 1 (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions