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Rachel > TMJ and Blood Supply > Flashcards

TMJ and Blood Supply Flashcards

1
Q

T/F: spasms in either the SCM and trapezius muscles can refer pain to the TMJ

A

true

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2
Q

T/F: The left common carotid artery branches directly off the aortic arch

A

true

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3
Q

T/F: The right subclavian artery branches directly off the aortic arch

A

false; left subclavian

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4
Q

T/F: Bruxism is a process of the CNS rather than mastication process

A

true

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5
Q

T/F: Clenching is caused by malocclusion

A

false; compression

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6
Q

T/F: Most TMJ symptoms come from the joint disc

A

false

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7
Q

T/F: Joint sounds are not reliable indicators of TMD since they can change over time in a patient

A

true

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8
Q

T/F: The normal condition is for the teeth to be slightly parted at rest and the muscles relaxed

A

true

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9
Q

T/F: The power stroke involves a movement from a laterally deviated position back to the midline

A

true

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10
Q

T/F: The rotational movement of the TMJ occurs mainly between the disc and the condyle of the mandibular in the upper synovial cavity

A

false

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11
Q

T/F: The pterygoid plexus of veins may be involved in the spread of infection to the cavernous venous sinus

A

true

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12
Q

T/F: The venous sinuses are located in the meninges of the brain

A

true

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13
Q

T/F: Elevation and retraction of the mandible involves both gliding in both upper synovial cavities and rotation in both the lower synovial cavities

A

true

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14
Q

T/F: The external carotid artery has no branches in the neck

A

False

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15
Q

T/F: The gliding movement of the TMJ occurs mainly between the disc and the articular eminence of the mandible in the upper synovial cavity

A

false

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16
Q

T/F: The posterior area of attachment of the disc to the capsule is one of the places where nerves and blood vessels enter the joint

A

true

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17
Q

T/F: Veins are generally larger and more numerous than arteries in the same tissue area

A

true

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18
Q

T/F: The internal jugular originates in the cranial cavity

A

true

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19
Q

T/F: The rotational movement of the TMJ occurs mainly between the disc and the condyle of the mandibular in the synovial cavity.

A

true

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20
Q

All of the following run in the carotid sheath except

A

hypoglossus

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21
Q

The external jugular terminates into the

A

subclavian vein

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22
Q

The brachiocephalic vein unite to form the

A

superior vena cava

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23
Q

Another name for a heart attack is

A

myocardial infarction

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24
Q

Most of the tissues of the head and neck is drained by the

A

internal jugular v.

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25
Q

Tissue destruction is termed

A

gangrene

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26
Q

Another name for stroke is

A

cerebrovascular accident

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27
Q

The lateral scalp area is drained by the _____ into the _____

A

superficial temporal and posterior auricular vein

retromandibular and external jugular vein

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28
Q

The mandibular teeth and submental region is drained by the _____ into the _____

A

inferior alveolar vein

pterygoid plexus of veins

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29
Q

Blood drains from the pterygoid plexus into the

A

maxillary v.

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30
Q

The pterygoid plexus protects the

A

maxillary a.

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31
Q

The cavernous venous sinus is located on each side of the body of the

A

sphenoid bone

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32
Q

Landmark located on the mandible

A

coronoid process

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33
Q

Protrusions of the mandible primarily involves

A

bringing jaw forward

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34
Q

Structure secretes synovial fluid

A

inner membrane lining of capsule

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35
Q

Which of the following about the TMJ is false

A

gliding movements

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36
Q

Artery that anastomoses with the anterior superior alveolar artery

A

posterior superior alveolar artery

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37
Q

A venous sinus of the vascular system is a

A

blood filled space between 2 layers of tissue

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38
Q

Blood vessel lesion may result when a clot on inner blood vessel wall becomes dislodged and travels in the vessel

A

embolus

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39
Q

Vein results from merger of superficial temporal vein and the maxillary vein

A

retromandibular vein

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40
Q

Vein that drains the tissue of the orbit

A

ophthalmic

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41
Q

Lower lip area drained by _____ into ______

A

inferior labial vein

facial vein

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42
Q

Artery and foramen pair matched correctly

A

middle meningeal and foramen spinosum

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43
Q

Structures are similar vessels that branch off an arteriole to supply blood directly to the tissue

A

capillary

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44
Q

Ligament that is vestige of Meckel’s cartilage

A

sphenomandibular ligament

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45
Q

Ligament that forms reinforcement of the capsule of the TMJ

A

temporomandibular ligament

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46
Q

Ligament that is landmark for administration of a local anesthetic for inferior alveolar block

A

sphenomandibular ligament

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47
Q

Depression and protrusion occurs

A

speech and mastication

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48
Q

Suprahyoids would be involved in

A

depression and protrusion of mandible

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49
Q

Ligament that runs from styloid process of temporal bone to the angle of the mandible

A

stylomandibular ligament

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50
Q

Bilateral contraction of posterior portion of temporalis would cause

A

retraction of mandible

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51
Q

Gliding in one upper synovial cavity and rotation in the opposite upper synovial cavity will cause

A

lateral deviation

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52
Q

Bilateral contraction of lateral pterygoids will cause

A

protrusion of mandible

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53
Q

Muscles involved in elevation and retraction of mandible except

A

lateral pterygoid

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54
Q

Habitual grinding of teeth is termed

A

bruxism

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55
Q

TMJ can be palpated just anterior to the

A

external acoustic meatus of each ear

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56
Q

Prolonged holding of teeth together by masticatory muscles is termed

A

clenching

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57
Q

Muscles, when fully contracted, helps close the jaw

A

temporalis

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58
Q

Dislocation of both TMJ joints defines

A

subluxation

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59
Q

Left lateral excursion of mandible is accomplished by

A

contraction of right; relaxation of left

60
Q

Patients jaw deviates to left when protruding mandible. Which muscle unable to contract

A

left lateral pterygoid

61
Q

Terminal branches of external carotid artery are

A

superficial temporal a. and maxillary a.

62
Q

Branches of facial artery except

A

supraorbital a.

63
Q

Not a branch of external carotid

A

vertebral a.

64
Q

Lingual artery arises from what artery

A

external carotid a.

65
Q

Supplies blood to TMJ

A

superficial temporal and maxillary branches

66
Q

Blood supply to maxillary molar teeth is through what artery

A

posterior superior alveolar a.

67
Q

Extensive bleeding from a fractured neck of the mandible with medial displacement would most likely be due to rupture of which branch of maxillary artery

A

inferior alveolar a.

68
Q

Major artery that extends through pterygopalatine fossa

A

maxillary a.

69
Q

Artery that courses through optic foramen and supplies orbit and its content including eyeball

A

ophthalmic a.

70
Q

Artery transverses the zygomatic bone

A

transverse facial artery

71
Q

First branch of external carotid artery

A

superior thyroid a.

72
Q

Provides most reliable arterial pulse of body

A

common carotid a.

73
Q

Disc of TMJ attached laterally and medially to the

A

poles of condyle

74
Q

Helps stabilize TMJ but not part of TMJ

A

sphenomandibular ligament

75
Q

The _____ division of the trigeminal nerve innervates the TMJ

A

V3

76
Q

The posterior collagenous lamina functions to

A

keep disc being pulled too far back

77
Q

The temporomandibular ligament is found in the

A

lateral part of the capsule

78
Q

Pain in area of TMJ coming from other areas is known as _____ pain

A

referred

79
Q

When disc of TMJ deranged, it is usually

A

displaced anteriorly

80
Q

Posterior elastic lamina functions to

A

pulls discs backward

81
Q

Arteries supplies blood to oral cavity

A

lingual artery
maxillary artery
palatal artery
mental artery

82
Q

Artery that supplies all of maxillary posterior teeth

A

posterior superior a.

83
Q

Artery supplies all of tongue

A

lingual a.

84
Q

Branches of internal carotid artery

A

none

85
Q

Blood supply to muscles of mastication from _____ artery

A

maxillary

86
Q

Vein that may be injured in anesthesia of the posterior superior alveolar nerve

A

pterygoid plexus

87
Q

If the posterior Retromandibular vein is absent on one side, what is true

A

external jugular v. smaller; internal jugular v. larger

88
Q

If PSA artery were blocked, how would blood get to maxillary molars?

A

anterior superior alveolar a.

89
Q

Landmark of TMJ on mandible

A

coronoid process

90
Q

Structure that maxillary artery does not supply

A

covering of brain

91
Q

Muscle can become enlarged with parafunctional habit of Bruxism

A

masseter muscle

92
Q

Blood vessel that could most likely be pierced doing PSA nerve block

A

pterygoid plexus

93
Q

Teeth may cause sensations suggesting carious lesion or endodontic situation when only sinus infection diagnosed

A

maxillary posterior

94
Q

Stenosis of bicuspid valve is likely to initially cause a backup of blood in the

A

left atrium
pulmonary veins
lungs

95
Q

Floor of mouth and tongue receive blood supply by way of

A

lingual artery

96
Q

Type of blood vessels carries blood to tissues

A

arteries

97
Q

Arteries that carry deoxygenated blood

A

pulmonary arteries

98
Q

Systolic pressure represents

A

ventricular contraction

99
Q

Common artery used for determining pulse rate in conscious adult

A

radial

100
Q

Mitral valve separates

A

left atrium and left ventricle

101
Q

Nasopalaitine nerve enters oral cavity by way of

A

incisive foramen

102
Q

Arterial pulse indicates

A

number of times heart contracts

103
Q

Diastolic BP is pressure exerted by blood on walls of

A

arteries when heart is at rest

104
Q

First of the three arteries that arise from aortic arch

A

brachiocephalic a.

105
Q

Muscle contracts in order to cause jaw to protrude

A

lateral pterygoid muscle

106
Q

Artery that does not originate from external carotid artery

A

ophthalmic a.

107
Q

Vertebral arteries pass upward through transverse foramina and enter skull through foramen magnum. Inside skull the two vertebral arteries join to form one artery, the

A

basilar a.

108
Q

Ophthalmic artery is branch of _____ carotid artery

A

internal

109
Q

Vein arises from dorsal abdomen wall and passes upward through aortic hiatus of diaphragm , and then terminates by emptying into superior vena cava just above heart

A

azygos vein

110
Q

Sequence of blood flow through heart to lungs, its return to heart and out of the heart to systemic circulation

A

superior & inferior vena cava–>right atrium…C

111
Q

Valves that prevents back flow of deoxygenated blood

A

pulmonary and right atrioventricular valves

112
Q

Oxygenated blood flows through which structure

A

coronary arteries

113
Q

Maxillary artery is branch of

A

external carotid

114
Q

Basilar artery is anterior and inferior to the

A

Pons

115
Q

Buccal gingiva of mandibular molars is supplied by

A

buccal a.

116
Q

Direct branch off of aorta except

A

right common carotid a.

117
Q

Route of blood supply to the right side of face

A

E. left ventricle–>aorta–>brachiocephalic a.–>common carotid a.–>external carotid a.–>facial a.

118
Q

Order of blood flow

A

D. vena cava–>right atrium–>tricuspid valve–>right ventricle–>pulmonary valve–>lungs–>left atrium–>mitral valve–>left ventricle–>aortic valve–>aorta

119
Q

Maxillary anterior teeth supplied by

A

anterior superior alveolar a.

120
Q

End of maxillary artery is the

A

sphenopalatine

121
Q

Maxillary posterior teeth, maxillary sinus, and posterior buccal mucosa of upper posterior teeth is supplied by

A

posterior superior alveolar a.

122
Q

Soft palate supplied by

A

lesser palatine a.

123
Q

Artery runs laterally through coronoid notch of ramus

A

masseteric a.

124
Q

Buccal gingiva and mucosa from premolars to incisors and mucosa of lower lip supplied by

A

mental a.

125
Q

Mental artery direct branch from

A

inferior alveolar a.

126
Q

Components of pterygopalatine fossa branches of maxillary artery except

A

buccal

127
Q

Components of infratemporal fossa branches of maxillary artery except

A

posterior alveolar

128
Q

Artery is terminal branch of external carotied artery

A

maxillary a.

129
Q

Ventral surface of tongue and floor of mouth supplied by

A

sublingual a.

130
Q

Deep posterior part of tongue supplied by

A

dorsal lingual a.

131
Q

Artery branches off external carotied below facial artery

A

lingual a.

132
Q

External jugular veins empty into

A

subclavian v.

133
Q

Anterior Retromandibular vein joins facial vein and forms the

A

common facial v.

134
Q

Posterior Retromandibular vein joins the posterior auricular vein and forms the

A

external jugular v.

135
Q

The ____ vein is formed by an intertwining network of veins know as pterygoid plexus of veins

A

maxillary

136
Q

Artery ascends the side of neck, runs deep to submandibular gland, crosses lower borer of mandible just in fron of angle of mandible

A

facial a.

137
Q

Artery emerges through incisive foramen

A

nasopalatine a.

138
Q

Statement concerning pterygoid plexus correct

A

injury can lead to hemotoma

139
Q

Superficial temporal v. and maxillary v. join to form the

A

retromandibular v.

140
Q

Middle meningeal a. enters skull through

A

foramen spinosum

141
Q

PSA artery branches from the

A

maxillary a.

142
Q

IA artery branches from the

A

maxillary a.

143
Q

Deep lingual a. branches from the

A

lingual a.

144
Q

What fossa does maxillary a. branch to supply all muscles of mastication

A

infratemporal fossa

145
Q

Angular a. branches from

A

facial a.

146
Q

Formina for PSA is on what bony structure

A

maxillary tuberosity

147
Q

Deep lingual a. supplies

A

apex of tongue

Rachel (13 decks)

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