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DHBS 301 > Exam 2 Key Points > Flashcards

Exam 2 Key Points Flashcards

1
Q

What goes through the foramen ovale?

A
  • CN V3
  • Accessory meningeal artery
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2
Q

Is CN V3 sensory, motor, or mixed?

A

Mixed nerve

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3
Q

What goes through the foramen spinosum?

A

Middle meningeal artery

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4
Q

Where is the pterygomaxillary fissure?

A

Opening between the infratemporal fossa and the pterygopalatine fossa

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5
Q

What goes through the pterygomaxillary fissure?

A
  • Maxillary artery
  • Posterior superior nerve, artery, and vein
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6
Q

What attaches to the coronoid process of the mandible?

A

Temporalis muscle

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7
Q

What is the function of the head of the condylar process of the mandible?

A

TMJ articular surface

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8
Q

What attaches to the pterygoid fovea on the neck of the mandible?

A

Lateral pterygoid muscle

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9
Q

What attaches to the angle of the mandible?

A
  • Medial pterygoid muscle
  • Masseter muscle
  • Stylomandibular ligament
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10
Q

What attaches to the ramus of the mandible?

A
  • Masseter muscle
  • Medial pterygoid muscle
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11
Q

What attaches to the lingula of the mandible

A

Sphenomandibular ligament

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12
Q

What goes through the mandibular foramen/canal?

A

Inferior alveolar nerve, artery, and vein

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13
Q

What goes through the mylohyoid groove?

A

Mylohyoid nerve, artery, and vein

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14
Q

What goes through the mental foramen?

A

Mental nerve, artery, and vein

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15
Q

What artery passes through the neck of the mandible and the sphenomandibular ligament to get to the infratemporal fossa?

A

Maxillary artery

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16
Q

The maxillary artery either courses deep or superficial to what muscle in the infratemporal fossa?

A

Lateral pterygoid muscle

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17
Q

How does the maxillary artery exit the infratempora fossa?

A

Pterygomaxillary fissure

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18
Q

What is the counterpart of the maxillary artery?

A

Pterygoid plexus of veins

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19
Q

What does the pterygoid plexus of veins communicate with?

A
  • Cavernous sinus
  • Facial vein
  • Ophthalmic vein
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20
Q

Where is the inferior alveolar nerve found in the infratemporal fossa?

A
  • Medial to the ramus of the mandible
  • Lateral surface of the medial pterygoid muscle
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21
Q

What foramen and canal does the inferior alveolar nerve pass through?

A

Mandibular foramen and mandibular canal

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22
Q

What does the inferior alveolar nerve innervate?

A

Mandibular teeth

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23
Q

Is the inferior alveolar nerve a sensory, motor, or mixed nerve?

A

Mixed nerve

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24
Q

What are the two branches of the inferior alveolar nerve?

A
  • Mylohyoid branch
  • Mental branch
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25
Q

Is the mylohyoid branch a sensory, motor, or mixed nerve?

A

Motor nerve

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26
Q

Is the mental branch a sensory, motor, or mixed nerve?

A

Sensory nerve

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27
Q

What does the mylohyoid branch innervate?

A
  • Mylohyoid muscle
  • Anterior belly of the digastric muscle
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28
Q

What does the mental branch mediate?

A

Sensation on the labial gingiva adjacent to the mandibular canines

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29
Q

Is the long buccal nerve a a sensory, motor, or mixed nerve?

A

Sensory

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30
Q

What does the long buccal nerve innervate?

A

Sensory to the buccal gingiva adjacent tot he mandibular molars

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31
Q

What CN is the chorda tympani nerve from?

A

Facial nerve, CN VII

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32
Q

What special sensory innervation does the chorda tympani nerve have?

A

Taste to the anterior 2/3 of the tongue

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33
Q

What parasympathetic innervation does the chorda tympani nerve have?

A

Submandibular and sublingual glands

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34
Q

What branch of CN V3 does the chorda tympani nerve join to get to the oral cavity?

A

Lingual nerve

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35
Q

What CN is the lingual nerve a branch of?

A

CN V3

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36
Q

What CN is the lesser petrosal nerve a branch of?

A

Glossopharyngeal, CN IX

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37
Q

What CN is the posterior superior alveolar nerve a branch of?

A

CN V2

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38
Q

How does the posterior superior alveolar nerve enter the infratemporal fossa?

A

Pterygomaxillary fissure

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39
Q

What does the posterior superior alveolar nerve innervate?

A
  • Maxillary molar teeth and adjacent gingiva
  • Maxillary sinus
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40
Q

Is the otic ganglion sympathetic or parasympathetic?

A

Parasympathetic

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41
Q

Stylomandibular ligament attachments?

A
  • Styloid process of temporal
  • Angle of the mandible
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42
Q

Sphenomandibular ligament attachments?

A
  • Spine of sphenoid
  • Lingula of mandible
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43
Q

Is the sphenomandibular ligament medial or lateral to the TMJ joint capsule?

A

Medial

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44
Q

The head of the mandible articulates with the articular disc is what compartment?

A

Inferior synovial compartment

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45
Q

Where do hinge and rotational movements of the TMJ take place at?

A

Inferior synovial compartment

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46
Q

Where do gliding actions of the TMJ take place at?

A

Superior synovial compartment

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47
Q

Where does the mandibular fossa or articular eminence articulate with the articular disc at?

A

Superior synovial cavity

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48
Q

What mediates sensation from the TMJ?

A

Auriculotemporal nerve, CN V3

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49
Q

Translation of the TMJ must occur for what to happen?

A

For the jaw to open widely

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50
Q

All muscles of mastication receive motor innervation from branches of…

A

CN V3

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51
Q

Lateral pterygoid muscle, superior head origin?

A

Infratemporal surface of sphenoid

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52
Q

Lateral pterygoid muscle, inferior head origin?

A

Lateral surface of lateral pterygoid plate

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53
Q

Lateral pterygoid muscle insertion?

A
  • Articular disc of TMJ
  • Pterygoid fova
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54
Q

Lateral pterygoid muscle action?

A
  • Protrusion
  • Depression
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55
Q

What muscle has an effect on contralateral deviation?

A

Lateral pterygoid muscle

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56
Q

Medial pterygoid muscle, superficial head origin?

A

Maxillary tuberosity

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57
Q

Medial pterygoid muscle, deep head origin

A

Medial side of the lateral pterygoid plate

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58
Q

Medial pterygoid muscle insertion?

A

Medial aspect of the angle and ramus of the mandible

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59
Q

Medial pterygoid muscle action?

A
  • Elevate
  • Protrude
  • Retraction
60
Q

Temporalis muscle origin?

A

Temporal fossa

61
Q

What bones make up the temporal fossa?

A
  • Temporal
  • Sphenoid
  • Parietal
  • Frontal
62
Q

Temporalis muscle insertion?

A

Coronoid process of mandible

63
Q

Temporalis muscle actions?

A
  • Elevation
  • Retrusion
64
Q

What muscles of mastication protrude the mandible?

A
  • Lateral pterygoid
  • Masseter, supeficial head
  • Medial pterygoid
65
Q

What muscles of mastication retrude the mandible?

A
  • Temporalis
  • Masseter, deep head
66
Q

What muscles of mastication depress the mandible?

A
  • Lateral pterygoid
  • Gravity
67
Q

What muscles of mastication elevate the mandible?

A
  • Temporalis
  • Masseter
  • Medial pterygoid
68
Q

What makes up the nasal septum?

A
  • Vomer
  • Perpendicular plate of the ethmoid
  • Septal cartilage
69
Q

What bones form the lateral nasal wall?

A
  • Ethmoid
  • Maxilla
  • Palatine
  • Inferior concha
70
Q

What are the boney projections in the lateral nasal wall?

A

Concha

71
Q

What are meatuses?

A

Spaces in-between concha

72
Q

What is the function of the nasal mucosa?

A
  • Olfaction
  • Respiration
73
Q

What provides arterial supply to the nasal septum and lateral nasal walls?

A
  • Facial artery
  • Ophthalmic artery
  • Maxillary artery
74
Q

What is the point of rich anastomosis on the nasal septum that is a common source for nosebleeds?

A

Kiesselbach’s plexus

75
Q

What anastomosis occurs in the incisive canal?

A
  • Spehnopalatine artery
  • Great palatine artery
76
Q

What 3 nerves innervate the nasal septum and lateral nasal wall?

A
  • CN 1
  • CN V1
  • CN V2
77
Q

What nerve goes through the incisive canal?

A

Nasopalatine

78
Q

What does the nasopalatine nerve do?

A

Mediate general sensation on the anterior most part of the hard palate

79
Q

What sinus is situation immediate inferior to the orbit and lateral to the nasal cavity?

A

Maxillary sinus

80
Q

The roots of the maxillary teeth can penetrate the floor of what sinus?

A

Maxillary sinus

81
Q

What courses within a ridge in the roof of the maxillary sinus?

A

Infraorbital nerve, artery, and vein

82
Q

All three nerves that mediate sensation from the maxillary teeth course along…

A

The walls of the maxillary sinus on their decent to the tooth roots

83
Q

What foramen relates to the pterygopalatine fossa?

A

Foramen rotumdrum, CN V2

84
Q

What does the palatine canal carry?

A
  • Descending palatine artery
  • Greater palatine nerve
  • Lesser palatine nerve
85
Q

What goes through the greater palatine foramen?

A

Greater palatine nerve, artery, and vein

86
Q

What goes through the lesser palatine foramen?

A

Lesser palatine nerve, artery, and vein

87
Q

What goes through the sphenopalatine foramen?

A
  • Nasopalatine nerve
  • Sphenopalatine artery
88
Q

What goes through the pterygoid canal?

A

Nerve of the pterygoid canal

89
Q

What goes through the pharyngeal canal?

A

Pharyngeal nerve, artery, and vein

90
Q

What goes through the inferior orbital fissure?

A

Infraorbital nerve, artery, and vein

91
Q

Overall, what does V2 give general sensation to?

A
  • Palate
  • Nasal/paranasal sinuses
  • Pharyngeal mucosa
  • Maxillary teeth and adjacent gingiva
92
Q

What nerves branch off of the infraorbital nerve?

A
  • Anterior superior alveolar nerve
  • Middle superior alveolar nerve
93
Q

What is the palatoglossus origin?

A

Palate

94
Q

What is the styloglossus origin?

A

Styloid process

95
Q

What is the salpingopharyngeus origin?

A

Cartilaginous auditory tube

96
Q

What do all three longitudinal muscles of the pharynx insert into?

A

Thyroid cartilage

97
Q

What is the palatoglossus muscle innervated by?

A

Vagus nerve

98
Q

What is the stylopharyngess muscle innervated by?

A

Glossopharyngeal nerve

99
Q

What are most muscles of the pharynx and soft palate innervated by?

A

Vagus nerve

100
Q

Superior constrictor muscle origin?

A

Pterygomandibular raphe

101
Q

Middle constrictor muscle origin?

A

Hyoid bone

102
Q

Inferior constrictor muscle origin?

A

Thyroid and cricoid cartilages

103
Q

What is the common insertion for all 3 pharyngeal constrictor muscles?

A

Midline of the pharyngeal raphe, which then attaches to the pharyngeal tubercle

104
Q

What is the tensor palati innervated by?

A

CN V3

105
Q

What is the only complete cartilaginous ring in the body?

A

Cricoid cartilage

106
Q

What is the ventricle of the larynx?

A

Space between the vestibular and vocal folds

107
Q

What is the rima glottidis?

A

Space between the left and right vocal folds

108
Q

What muscle abducts the vocal folds?

A

Posterior cricoartyenoid muscle

109
Q

What provides sensory and motor innervation to the larynx?

A

Vagus nerve

110
Q

What are enlarged lymph nodes a sign of?

A

Infection or tumor drainage

111
Q

Submental nodes receive lymph from the…

A

Tongue

112
Q

What does the submental nodes drain into?

A

Submandibular nodes

113
Q

What do the submandibular nodes receive lymph from?

A
  • Max and mandibular teeth and gingiva
  • Oral palate
  • Tongue/submental nodes
114
Q

Where does the submandibular nodes drain into?

A

Superior deep cervical nodes

115
Q

The superior deep cervical nodes generally receive lymph from all structures….

A

Anterior to the mastoid process and all the way to the front of the face

116
Q

Any inflammation in the head, nasal cavity, or oral cavity will show up as an enlargement of what nodes?

A

Superior deep cervical nodes

117
Q

Infections typically spread through…

A

The path of least resistance

118
Q

Maxillary teeth drainage

A

Can be contained in superficial space

119
Q

Mandibular teeth drainage above the mylohyoid

A

Sublingual space, submandibular space, lateral pharyngeal, retro pharyngeal, danger space, mediastinum

120
Q

Mandibular teeth drainage below the mylohyoid

A

Submandibular space, lateral pharyngeal, retro pharyngeal, danger space, mediastinum

121
Q

Masticatory space drainage

A

Usually contained but can erode into lateral pharyngeal, retro pharyngeal, danger space, mediastinum

122
Q

What provides motor innervation to most of the tongue musculature?

A

Hypoglossal nerve

123
Q

What innervates the palatoglossus muscle?

A

Vagus nerve

124
Q

What provides general sensory innervation to the anterior 2/3 of the tongue?

A

Lingual nerve

125
Q

What provides general sensory innervation to the posterior 2/3 of the tongue?

A

Glossopharyngeal

126
Q

What provides general sensory innervation to the epiglottis/vallecula?

A

Vagus nerve

127
Q

What provides taste innervation to the anterior 2/3 of the tongue?

A

Chorda tympani

128
Q

What provides taste innervation to the posterior 2/3 of the tongue

A

Glossopharyngeal nerve

129
Q

What provides innervation to the palate?

A
  • Greater palatine nerve
  • Lesser palatine nerve
130
Q

Parotid gland location

A

Side of the face

131
Q

Parotid gland delivers it’s secretion into the oral cavity via

A

Parotid duct

132
Q

The parotid duct pierces what muscle?

A

Buccinator muscle

133
Q

Where does the parotid duct enter the oral cavity?

A

Vestibular gingiva adjacent to 2nd maxillary molars

134
Q

Submandibular gland location

A

Wraps around the posterior border of the mylohyoid muscle

135
Q

The submandibular gland enters it’s secretions into the oral cavity via the…

A

Sumandibualr duct at the sublingual caruncle

136
Q

Sublingual gland location

A

Sublingual region of oral cavity proper

137
Q

Sublingual gland produces secretions into the oral cavity via…

A

Multiple short ducts in the floor of the oral cavity

138
Q

The hypoglossal nerve and lingual nerve both course lateral to the…

A

Hyoglossus muscle in the sublingual region

139
Q

Preganglionic fibers of the parotid gland

A

CN IX, glossopharyngeal nerve

140
Q

Ganglion of the parotid gland

A

Otic gland

141
Q

Post ganglionic fibers of the parotid gland

A

Auriculotemporal nerve

142
Q

Preganglionic fibers of the submandibular and sublingual glands

A

Chorda tympani of the facial nerve, joins with the lingual nerve

143
Q

Submandibular and sublingual glands ganglion

A

Submandibular ganglion

144
Q

Postganglionic fibers of the submandibular and sublingual glands

A

Directly into submandibular gland or into the sublingual gland via the lingual nerve

145
Q

Preganglionic fibers of the nasal, paranasal, oral/palatal, and pharyngeal mucosa

A

CN VII, greater petrosal nerve of the facial nerve

146
Q

Ganglion of the nasal, paranasal, oral/palatal, and pharyngeal mucosa

A

Pterygopalatine ganglion

147
Q

Post ganglionic of the nasal, paranasal, oral/palatal, and pharyngeal mucos

A
  • Most of V2
  • Lacrimal branch of V1

DHBS 301 (21 decks)

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