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OS 204 > Oral Cavity And Palate > Flashcards

Oral Cavity And Palate Flashcards

0
Q

Where do you palpate for enlarged lymph nodes if you have lesions on the lips?

A

Submandibular

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1
Q

Where do you palpate for enlarged lymph nodes if you have lesions on the chin?

A

Submental

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2
Q

Forms vertical wrinkles?

A

Corrugator Supercilii

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3
Q

Forms horizontal wrinkles

A

Procerus

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4
Q

Poking the posterior part of the pharnyx or uvula will exhibit this reflex.

A

Gag reflex

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5
Q

Innervates the hard palate

A

Trigeminal nerve

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6
Q

Innervates the uvula

A

Vagus nerve

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7
Q

Innervates the posterior tongue

A

Glossopharyngeal nerve

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8
Q

Innervates the anterior tongue

A

Trigeminal nerve

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9
Q

Bony skeleton of the hard palate?

A

Palatine process of maxilla, horizontal plate of palatine

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10
Q

What is embedded in the mucosa of the hard palate?

A

Accessory salivary glands

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11
Q

Blood supply of the hard palate?

A

Descending palatine branch of the internal maxillary artery

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12
Q

Depression in midline posterior to incisors?

A

Incisive fossa

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13
Q

Passes through the incisive fossa?

A

Nasopalatine nerve

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14
Q

Opening medial to the third molar tooth?

A

Greater palatine foramen

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15
Q

Opening posterior to greater palatine foramen?

A

Lesser palatine foramen

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16
Q

Passes through greater palatine foramen?

A

Greater palatine vessels and nerves

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17
Q

Passes through lesser palatine foramen?

A

Lesser palatine vessels and nerves

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18
Q

The expanded tendon of the veli palatini forms this structure?

A

Palatine aponeurosis

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19
Q

Which anatomic region of the soft palate consists of aponeurosis?

A

Anterior

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20
Q

Which anatomic region of the soft palate is mostly muscular?

A

Posterior

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21
Q

The soft palate closes off this structure in speaking, swallowing, and blowing.

A

Nasopharynx

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22
Q

Centrally located in the soft palate?

A

Uvula

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23
Q

Lateral to the soft palate?

A

Anterior and posterior pillars of the fauces (palatoglossal / palatopharyngeal)

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24
Q

Space between oral cavity and pharynx

A

Fauces

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25
Q

Constricted space that establishes connection between oral cavity proper and oropharynx?

A

Isthmus of fauces

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26
Q

Masses of lymphoid tissue on each side of oropharynx

A

Palatine tonsils

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27
Q

Houses each tonsil?

A

Tonsilar fossa

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28
Q

Secretion of the palatine glands?

A

Mucous

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29
Q

Part of gingiva that covers the lingual surface of the teeth and alveolar process?

A

Superior lingual gingiva

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30
Q

Anterior to the incisive fossa?

A

Incisive papilla

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31
Q

Lateral to the incisive papilla and assists in manipulation of food during mastication

A

Transverse palatine folds/rugae

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32
Q

Whitish streak passing posteriorly in the midline of the palate

A

Palatine raphe

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33
Q

Innervation of tensor veli palatini?

A

Medial pterygoid nerve (branch of v3)

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34
Q

Muscle of soft palate not innervated by a branch of the vagus nerve?

A

Tensor veli palatini

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35
Q

Innervates the levator veli palatini?

A

Pharyngeal branch of vagus nerve via pharyngeal plexus

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36
Q

Innervates the palatoglossus?

A

Pharyngeal branch of vagus nerve via pharyngeal plexus

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37
Q

Innervates the palatopharyngeus?

A

Pharyngeal branch of vagus nerve via pharyngeal plexus

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38
Q

What muscle elevates posterior part of the tongue and draws soft palate onto tongue?

A

Palatoglossus

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39
Q

Sensory innervation of majority of the palate?

A

Maxillary nerve

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40
Q

Sensory innervation of anterior portion of palate?

A

Nasopalatine branch of cn5

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41
Q

Sensory innervation of posterior part of hard palate?

A

Cn9

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42
Q

Sensory innervation of soft palate?

A

Lesser palatine nerve

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43
Q

Sensory innervation of gingiva and mucous membrane?

A

Greater palatine nerve

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44
Q

The greater and lesser palatine arteries are branches of what artery?

A

Descending palating artery

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45
Q

Lesser palatine artery anastomoses with what artery?

A

Ascending palatine artery

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46
Q

Venous drainage of palate

A

Pterygoid venous plexus

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47
Q

Lymphatic drainage of palate?

A

Deep vertical cervical chain

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48
Q

Structure in the surface of palatine tonsils not found in other lymphoid tissue?

A

Tonsillar crypts

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49
Q

Fibrous tissue which covers the lateral surface of palatine tonsils?

A

Capsule

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50
Q

Superior to the palatine tonsils?

A

Soft palate

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51
Q

Inferior to the palatine tonsils?

A

Posterior third of tongue

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52
Q

Lateral to the palatine tonsils

A

Internal carotid artery

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53
Q

Main blood supply of the palatine tonsils?

A

Tonsillar artery (from facial)

54
Q

Bulging of this lymph node indicates tonsillitis?

A

Jugulodigastric node

55
Q

Distance of blood vessels and nerves behind tonsil?

A

2.5 cm

56
Q

The tongue is attached to which structures?

A

Styloid process, soft palate, mandible, hyoid

57
Q

Divides the tongue into right and left halves?

A

Median fibrous septum

58
Q

Location of the taste buds?

A

Around the papillae

59
Q

More extensive, superior and posterior surface of the tongue?

A

Dorsum of tongue

60
Q

V- shaped groove which divides dorsum into anterior part and posterior part?

A

Terminal sulcus

61
Q

Opening where anterior/posterior part of dorsum of tongue are located?

A

Oral cavity proper/oropharynx

62
Q

Inferior surface of the tongue is connected to the floor of the mouth via what structure?

A

Lingual frenulum

63
Q

Located on each side of the base of frenulum?

A

Sublingual caruncle (includes wharton’s duct)

64
Q

Non-functional remnant of the embryonic thyroglossal duct?

A

Foramen cecum

65
Q

Differentiate presulcal vs postsulcal part of tongue, aside from position.

A

Presulcal - mobile, with papillae

Postsulcal - no papillae, with lingual tonsils

66
Q

What are the components of the lymphoid ring of waldeyer?

A

Lingual tonsil, palatine tonsil, pharyngeal tonsil

67
Q

Papillae arranged in v-shaped rows parallel to terminal sulcus?

A

Filiform

68
Q

Papillae abundant at the apex and margins of tongue?

A

Fungiform

69
Q

Papillae with Small, laterally located folds and poorly developed in humans?

A

Foliate

70
Q

Papillae with numerous taste buds arranged in deep circular trenches around it?

A

Vallate

71
Q

Papillae which receive the openings of serous glans?

A

Vallate

72
Q

Muscle that depresses tongue?

A

Hyoglossus, genioglossus(bilateral)

73
Q

Muscle that elevates the posterior tongue?

A

Palatoglossus

74
Q

Muscle that retrudes tongue and curls it?

A

Styloglossus

75
Q

Unilateral contraction of this muscle deviates tongue to contralateral side?

A

Genioglossus

76
Q

Fan-shaped muscle which consists bulk of tongue?

A

Genioglossus

77
Q

Muscle that narrows and elongates the tongue?

A

Transverse fibers of intrinsic tongue muscles

78
Q

Muscle that flattens and broadens tongue?

A

Vertical fibers of intrinsic tongue muscles

79
Q

Muscle that elevates apex and sides of tongue, and curls tongue longitudinally upward?

A

Superior longitudinal fibers of intrinsic tongue muscles

80
Q

Muscle that depresses apex of tongue and curls tongue longitudinally downward?

A

Inferior longitudinal fibers of intrinsic tongue muscles

81
Q

Sensory innervation of mucous membrane of anterior 2/3 of tongue?

A

Lingual nerve

82
Q

Sensory innervation of taste fibers of anterior 2/3, except vallate papillae?

A

Chorda tympani

83
Q

Sensory innervation of posterior 1/3 of tongue

A

Glossopharyngeal nerve

84
Q

Tongue muscle not motor innervated by hypoglossal nerve?

A

Palatoglossus

85
Q

Lingual artery arises from what major artery?

A

External carotid artery

86
Q

Blood supply of posterior tongue?

A

Dorsal lingual arteries

87
Q

Blood supply of anterior tongue

A

Deep lingual arteries

88
Q

Lingual arteries which do not communicate with each other

A

Dorsal lingual arteries

89
Q

Vein which accompanies dorsal lingual artery?

A

Dorsal lingual vein

90
Q

When drugs are placed under tongue for quick absorption, what vein does it enter?

A

Deep lingual vein

91
Q

All lymph from tongue ultimately drains where?

A

Deep cervical nodes

92
Q

Lymphatic drainage of tip of tongue?

A

Submental lymph nodes

93
Q

Lymphatic drainage of anterior 2/3

A

Lateral: submandibular lymph nodes
Medial: inferior deep cervical lymph nodes

94
Q

Lymphatic drainage of psterior 1/3

A

Upper nodes of deep cervical

95
Q

The parotid gland is opposite what tooth?

A

2nd maxillary nolar

96
Q

Smallest of the salivary glands?

A

Sublingual gland

97
Q

Inferior to the sublingual gland?

A

Mylohyoid

98
Q

Anterior to the sublingual gland?

A

Genioglossus

99
Q

Posterior to the sublingual gland?

A

Hyoglossus

100
Q

Lateral to the sublingual gland?

A

Mandible

101
Q

Medial to the sublingual gland?

A

Styloglossus/hyoglossus

102
Q

Sublingual duct which opens in the floor of the mouth along sublingual fold?

A

Duct of rivinus

103
Q

Major sublingual ducts that unite together and join submandibular duct to empty to sublingual papillae

A

Bartholin’s duct

104
Q

Innervation of sublingual gland

A

Lingual nerve and chorda tympani

105
Q

Arterial supply of sublingual gland

A

Sublingual artery from lingual

Submental artery from facial

106
Q

Submandibular duct arises between what muscles?

A

Mylohyoid and hyoglossus

107
Q

Lobe of submandibular gland wedged between mandible and mylohyoid?

A

Superficial lobe

108
Q

Lobe of submandibular gland resting against the hyoglossus and mylohyoid?

A

Deep lobe

109
Q

Nerves in contact with the deep lobe of submandibular gland

A

Lingual and hypoglossal nerves

110
Q

Innervation of submandibular gland

A

Facial nerve

111
Q

Arterial supply of submandibular gland

A

Submental artery

112
Q

Lymphatic drainage of submandibular gland

A

Submandibular and deep cervical lymph node

113
Q

Location of submandibular lymph nodes?

A

Embedded within gland and partly in mandible

114
Q

How do you differentiate enlarged submandibular gland and mass on submandibular lymph nodes?

A

Gland can be palpated in the mouth, since it extends to the floor of mouth

115
Q

Number of teeth in adult with complete set

A

32

116
Q

Number of teeth in children

A

20

117
Q

Teeth missing in pediatric patients

A

Premolars

118
Q

Removal of pulp, cleaning, shaping, decontamination, and filling with cement?

A

Root canal

119
Q

Part of teeth which projects from gingiva

A

Crown

120
Q

Fixed in tooth socket by peridontium

A

Root

121
Q

Between crown and root of teeth

A

Neck

122
Q

Primary composition of teeth

A

Dentin

123
Q

Covers dentin over crown

A

Enamel

124
Q

Covers dentin over root

A

Cement

125
Q

Contains connective tissue, blood vessels, blood, and nerves of teeth

A

Pulp cavity

126
Q

Specialized tissues which support teeth

A

Peridontium

127
Q

Vessels and nerves in the pulp cavity pass through this structure

A

Apical foramen/root foramen

128
Q

Innervation of teeth

A

Superior and inferior alveolar nerves

129
Q

Blood supply of teeth

A

Superior and inferior alveolar arteries

130
Q

Lymphatic drainage of teeth

A

Submandibular lymph nodes

131
Q

Paralysis of this muscle can cause tongue to fall posteriorly and obstruct the airway

A

Genioglossus

132
Q

Embryonic tongue structure found between 2nd pharyngeal arches?

A

Tuberculum impar

133
Q

Innervation of stylopharyngeus

A

Cn 9

OS 204 (9 decks)

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