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Head and Neck > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

Attachment for buccinators and superior constrictor?

a. Sphenomandibular ligament
b. Pterygomandibular raphe
c. Stylomandibular ligament
d. Pharyngeal raphe

A

B

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2
Q

What artery supplies the buccinator?

A. pterygopalatine part of the maxillary artery
B. mandibular part of the maxillary artery
C. pterygoid part of the maxillary artery

A

C

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3
Q

The buccinator is active in smiling. T/F

A

T

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4
Q

Which muscles keeps the cheek taut to prevent it from folding and being injured during chewing?

A

Buccinator

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5
Q

Muscle which resists teeth to tilt outwards

A

Buccinator and orbicularis oris

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6
Q

Muscle which compresses the cheeks

A

Buccinator

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7
Q

This muscle elevates the mandible and protracts it to a limited extent

A. Temporalis
B. Masseter
C. Medial Pterygoid
D. Lateral Pterygoid

A

B

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8
Q

Sensorynervesupplyofposterior⅓ofthetongue

A

CN IX

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9
Q

Sensorynervesupplyoftheanteriorhardpalate

A

CN V

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10
Q

Motornervesupplyoftensorvelipalatini

A

CN V

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11
Q

Tastesensationofanterior⅓ofthetongueissuppliedby________

A

CN VII

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12
Q

Damagecausesparalysisofintrinsicmusclesofthetongue

A.CN5
B.CN7
C.CN9
D.noneoftheabove

A

D

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13
Q

Whichmusclepullsroot of tongueupwardsand backwards

A.Styloglossus
B.Hyoglossus
C.Stylopharyngeus
D.Glossopharyngeus

A

A

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14
Q

Superiorrelationtopalatinetonsil:

A.PalatoglossalArch
B.PalatopharyngealArch
C.SoftPalate
D.CavityofOropharynx

A

C

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15
Q

Newbornscaneatandbreatheatthesametimebecauseof:

A.relativelysmallertongueandjaw
B.larynxandhyoidapproximatesmentum
C.epiglottisrestsabovethesoftpalateduringfeeding
D.alloftheabove

A

C

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16
Q

Yellowishbone­likematerialcoveringtherootsofteeth

A.Periodontalmembrane
B.enamel
C.Dentin
D.Cementum

A

D

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17
Q

Stonesare most likelyto form in submandibularglandbecause:

A.Salivahastomoveagainstgravity
B..Shortcourseofduct
C.Salivaismoreacidicandserous
D.LowerconcentrationofCalciumandPhosphate

A

A

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18
Q

Tastebudsaremostconcentratedon

A.Circumvallate
B.Filiform
C.Fungiform
D.Foliate

A

B

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19
Q

WhichisTRUEregardingtasteandourtastebuds?

A.Thetonguemapcontinuestobehelpfulininformingusregardingthedifferentsitesoftaste regionsinthetongue.
B.Smellplaysnovitalroleinthetastesensation.
C.Tastesubstancesdonothavetodissolveinsalivatobedetected.
D.Umami(glutamate)hasrecentlybeenaddedtosweetness,saltiness,bitternessand sournessasthefifthqualityoftaste.

A

D

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20
Q

Amastoidectomypatientcomplainsoflossoftasteonhisanterior⅔tongue.Whichcould haveprobablybeeninjured?

A.Lingualnerve
B.Glossopharyngealnerve
C.Chordatympani
D.Tympanicnerve

A

C

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21
Q

Allofthefollowingoccurduringswallowing,except:

A.Depressionoflarynx
B.Elevationofsoftpalate

A

A

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22
Q

The submandibular duct

A. arises from deep part of the gland
B. opens at the palatine foramen
C. lies embedded within the gland
D. called the duct of Rivinus

A

A

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23
Q

Lesions found at the tip of the tongue. Where will you palpate?

A. Submandibular
B. Submental
C. Inferior deep cervical
D. Superior deep cervical

A

B

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24
Q

Elevates the cartilaginous portion of the auditory tube when swallowing and yawning

A. tensor veli palatini muscle
B. palatoglossal muscle
C. palatopharyngeus muscle
D. NOTA

A

A

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25
Q

When sleeping, every how long do we swallow?

A. 1 minute
B. 3 minutes
C. 5 minutes
D. 7 minutes

A

C

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26
Q

The lateral border of the oral cavity is the

A. Buccinator
B. Tonsillar pillar formed by palatoglossus muscle
C. Palatopharyngeus muscle
D. Orbicularis Oris

A

B

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27
Q

Sublingual gland (duct) opens at

A. Sublingual fold
B. To lingual frenulum
C. Opposite 2nd molar
D. Submental beyond mylohoid

A

A

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28
Q

Basic Secretory Unit of the Salivary Glands

A. Stritiated Duct
B. Intercalated Duct
C. Ductal cell
D. Acinus

A

D

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29
Q

Type of secretion of submandibular gland

A. serous only
B. mucous only
C. both but primarily serous
D. both but primarily mucous

A

C

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30
Q

How many liters of saliva do we produce every day?

A. 0.5 - 1 L
B. 1 - 1.5 liters
C. 1.5 - 2 L (ito yung answer pag kay Dr. Matubis)
D. 2 - 3 L

A

B

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31
Q

Dental formula per quadrant (incisors, canines, premolars and molars)

A. 2321 
B. 2223 
C. 2132 
D. 2123 
E. 2132
A

D

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32
Q

Tough, shiny, white outer surface of the tooth

A. Cementum
B. Dentine
C. enamel
D. crown

A

C

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33
Q

What is the most critical state in swallowing?

A. tongue motion
B. soft palate elevation
C. mechanical breakdown of food

A

A

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34
Q

Which muscle is used to move the mentum to the right?

A. right medial pterygoid
B. left medial pterygoid
C. right lateral pterygoid
D. left lateral pterygoid

A

A

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35
Q

Which muscle curls the upper lip upwards?

A. Zygomaticus major
B. Orbicularis oris
C. Levator labii superioris
D. levator labii superioris allaque nasii

A

C

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36
Q

At the apex of the terminal sulcus of the tongue, a small depression is a point of origin of which organ?

A. Hyoid bone
B. Thyroid cartilage
C. Thyroid gland
D. Cricoid cartilage

A

C

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37
Q

What is not a part of oral cavity?

A. Lips 
B. Alveolus
C. Palate 
D. Tonsils 
E. Tongue
A

D

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38
Q

Nerve supply to angle of mandible and skin of parotid

A. auriculotemporal
B. facial
C. great auricular
D. lesser auricular

A

C

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39
Q

A.k.a deglutition

A

Swallowing

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40
Q

The slit-like space between the teeth and gingivae and the lips and cheeks

A

Oral vestibule

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41
Q

Opening through which the oral vestibule communicates with the exterior

A

Oral fissure

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42
Q

Roof of the oral cavity

A

Palate

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43
Q

The oral cavity communicates with what cavity posteriorly?

A

Oropharynx

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44
Q

A.k.a Osculation

A

Kissing

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45
Q

The free-edged folds of mucous membrane in the midline, extending from the vestibular gingiva to the mucosa of the upper and lower lips

A

Labial frenula

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46
Q

Arteries of the lips

A

Superior and inferior labial arteries

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47
Q

Nerves of the lips

A

Upper: superior labial branches of the infra-orbital nerves (V2)

Lower: inferior labial branches of the mental nerves (V3)

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48
Q

Lymphatic drainage of the lips

A

Upper lip and lateral parts of the lower lip: submandibular lymph nodes

Medial part of lower lip: submental lymph nodes

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49
Q

Cheek bone

A

Zygomatic arch

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50
Q

Artery of the cheeks

A

Buccal branches of maxillary artery

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51
Q

Nerves of the cheeks

A

Buccal branches of V3

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52
Q

Principal muscles of the cheeks

A

Buccinators

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53
Q

How many deciduous teeth do children have?

A

20

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54
Q

How many secondary teeth do adults have?

A

32

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55
Q

Main composition of tooth

A

Dentin

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56
Q

Skeletal features that display the greatest change during a lifetime

A

Tooth sockets of the maxilla and mandible

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57
Q

Arteries of the teeth

A

Superior and inferior alveolar arteries (from maxillary artery)

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58
Q

The superior and inferior alveolar arteries are from which artery?

A

Maxillary artery

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59
Q

Venous drainage of the teeth

A

Superior and inferior alveolar veins

60
Q

First tooth that erupts

A

Central incisors

61
Q

Second tooth that erupts

A

Lateral incisors

62
Q

At what age do deciduous central incisors erupt?

A

6-8 months

63
Q

At what age do deciduous lateral incisors erupt?

A

8-10 months

64
Q

Nerve supply of the teeth

A

Dental plexus from the superior (V2) and inferior alveolar nerve (V3)

65
Q

The incisive fossa is posterior to which tooth?

A

Central incisor

66
Q

The greater palatine foramen is medial to which tooth?

A

3rd molar

67
Q

What emerges from the greater palatine foramen?

A

Greater palatine vessels and nerve

68
Q

The lesser palatine foramen is anterior the greater palatine foramen. T/F

A

F

It is posterior.

69
Q

What is transmitted by the lesser palatine foramen?

A

Lesser palatine vessels and nerves

70
Q

The soft palate has no bony skeleton but strengthened by the palatine aponeurosis. T/F

A

T

71
Q

The uvula hangs from the free margin of the soft palate. T/F

A

T

72
Q

The soft palate is joined to the tongue and pharynx by the palatopharyngeal and palatoglossal arches, respectively. T/F

A

F

Soft palate to tongue via palatoglossal. Soft palate to pharynx palatopharyngeal.

73
Q

The space between the cavity of the mouth and the pharynx

A

Fauces

74
Q

Pilars of the fauces

A

Palatoglossal and palatopharyngeal arches

75
Q

The short constricted space that establishes the connection between the oral cavity proper and the oropharynx

A

Isthmus of the fauces

76
Q

Anterior boundary of the isthmus of the fauces

A

Palatoglossus arch

77
Q

Posterior boundary of the isthmus of the fauces

A

Palatopharyngeal arch

78
Q

Masses of lymphoid tissue on each side of the oropharynx

A

Palatine tonsils

79
Q

Because the mucosa of the hard palate is tightly bound to the underlying bone, the submucuous injections here are extremely painful. T/F

A

T

80
Q

When the soft palate is elevated, the isthmus of the pharynx opens or closes?

A

Closes

81
Q

The isthmus of the fauces closes when the soft palate is drawn superiorly or inferiorly?

A

Inferiorly

82
Q

Tenses soft palate and opens mouth of pharyngotympanic tube during swallowing and yawning

A

Tensor veli palatini

83
Q

Elevates soft palate during swallowing and yawning

A

Levator veli palatini

84
Q

Elevates posterior part of tongue and draws soft palate unto tongue

A

Palatoglossus

85
Q

Tenses soft palate and pulls walls of pharynx superiorly, anteriorly and medially during swallowing

A

Palatopharyngeus

86
Q

Shortens uvula and pulls it superiorly

A

Musculus uvulae

87
Q

Innervation of tensor veli palatini

A

Medial pterygoid nerve (V3) via otic ganglion

88
Q

Innervation of most palatine muscles

A

Pharyngeal branch of CN X via pharyngeal plexus

89
Q

Which palatine muscle is not innervated by the vagus?

A

Tensor veli palatini

90
Q

The angle of the terminal sulcus points posteriorly to which non-functioning remnant of the proximal part of the embryonic thyroglossal duct?

A

Foramen cecum

91
Q

What divides the dorsum of the tongue into a presulcal anterior part and a post-sulcal posterior part?

A

Terminal sulcus

92
Q

What divides the anterior tongue into right and left parts?

A

Midline groove

93
Q

Large, flat topped papillae which lie directly anterior to the terminal sulcus in a V-shaped row

A

Vallate papillae

94
Q

Vallate papillae have taste buds. T/F

A

T

95
Q

Small lateral folds of the lingual mucosa

A

Foliate papillae

96
Q

Long and numerous papillae containing afferent nerve endings that are sensitive to touch

A

Filiform papillae

97
Q

Mushroom shaped pink or red spots most numerous on the apex and margins of the tongue

A

Fungiform papillae

98
Q

Which papillae do not have taste buds?

A

Foliate papillae

99
Q

Lymphoid nodules on the posterior half of the tongue

A

Lingual tonsil

100
Q

The midline fold that connects the inferior surface of the tongue to the floor of the mouth

A

Lingual frenulum

101
Q

The frenulum allows the anterior part of the tongue to move freely. T/F

A

T

102
Q

Which gland opens into the sublingual caruncles on each side of the base of the lingual frenulum?

A

Submandibular salivary gland

103
Q

Group of muscles that, in general, alters the position of the tongue

A

Extrinsic muscles

104
Q

Group of muscles that, in general, alters the shape of the tongue

A

Intrinsic muscles

105
Q

Extrinsic muscles of the tongue

A

Genioglossus, hyoglossus, styloglossus, and palatoglossus

106
Q

The extrinsic muscles of the tongue can also alter the shape of the tongue. T/F

A

T

107
Q

Intrinsic muscles of the tongue

A

Superior and inferior longitudinal, transverse and vertical muscles

108
Q

Intrinsic muscles of the tongue are not attached to bone. T/F

A

T

109
Q

Which muscles act together to make the tongue short and thick, and to retract the protruded tongue?

A

Superior and inferior longitudinal muscles

110
Q

Which muscles act together to make the tongue long and narrow?

A

Transverse and vertical muscles

111
Q

Motor innervation of almost all muscles of the tongue

A

Hypoglossal nerve (CN XII)

112
Q

Which muscle of the tongue does not receive motor innervation from Cn XII?

A

Palatoglossus

113
Q

Motor innervation of palatoglossus

A

Pharyngeal plexus

114
Q

Nerve supply of tongue for general sensation (touch and temperature)

A

anterior 2/3: lingual nerve (V3)

posterior 1/3: glossopharyngeal nerve (CN IX)

115
Q

Nerve supply of tongue for special sensation (taste)

A

anterior 2/3, except vallate papillae: chorda tympani (CN VII)
posterior 1/3 and vallate papillae: glossopharyngeal (CN IX)

116
Q

Nerve supply of anterior 2/3 of tongue

A

touch and temperature: lingual nerve (v3)

taste: chorda tympani (CN VII)

117
Q

Nerve supply of posterior 1/3 of tongue

A

Glossopharyngeal nerve (CN IX)

118
Q

Nerve supply for special sensation to a small area of the tongue just anterior to the epiglottis

A

Internal laryngeal nerve (CN X)

119
Q

From which vessel does the lingual artery arise?

A

External carotid artery

120
Q

Arterial supply of root of tongue

A

Dorsal lingual arteries

121
Q

Arterial supply of the body of the tongue

A

Deep lingual arteries

122
Q

The deep lingual arteries communicate at the root of the tongue. T/F

A

F

They communicate at the apex.

123
Q

The deep lingual arteries are prevented from communicating by the lingual septum. T/F

A

F

It is the dorsal lingual arteries that are prevents form communicating.

124
Q

Veins of the tongue

A

Dorsal lingual and deep lingual veins

125
Q

The deep lingual veins join which vein?

A

Sublingual vein

126
Q

The deep lingual veins run posteriorly with which structure to join the sublingual vein?

A

Lingual frenulum

127
Q

The deep lingual, dorsal lingual and sublingual veins drain directly to the IJV, or indirectly, to first join which vein?

A

Lingual vein

128
Q

Lymphatic drainage of the root of the tongue

A

Superior deep cervical lymph nodes

129
Q

Lymphatic drainage of medial portion of the body of the tongue

A

Inferior deep cervical lymph nodes

130
Q

Lymphatic drainage of the right and left sides of the body of the tongue

A

Submandibular lymph nodes

131
Q

Lymphatic drainage of the apex and frenulum of the tongue

A

Submental lymph nodes

132
Q

Approximate length of the duct of the submandibular gland

A

5cm

133
Q

Arterial supply of submandibular gland

A

Submental arteries

134
Q

Venous supply of the submandibular gland

A

Submental veins

135
Q

The submandibular gland drains into which lymph node?

A

Jugulo-omohyoid node of the deep cervical lymph nodes

136
Q

Parasympathetic innervation of the submandibular gland

A

Chorda tympani nerve

137
Q

Sympathetic innervation of the submandibular gland

A

Superior cervical ganglion

138
Q

Arterial supply of sublingual glands

A

Sublingual (from lingual artery) and submental (from facial artery) arteries

139
Q

Presynaptic parasympathetic innervation of sublingual glans

A

Chorda tympani (from Cn VII) and lingual nerves

140
Q

The common discoloration of the lips results from what phenomenon?

A

Decreased blood flow in capillary beds supplied by the superior and inferior labial arteries, and increased extraction of oxygen.

141
Q

CN responsible for gag reflex

A

CN IX and X

142
Q

Paralysis of which muscle results in the tendency of the tongue to fall posteriorly, causing obstruction of the airway?

A

Genioglossus

143
Q

During protrusion, the paralyzed tongue deviates to which side: the paralyzed or the contralateral side?

A

Paralyzed side

144
Q

Substances absorbed on the underside of the tongue are absorbed through which vessels?

A

Deep lingual veins

145
Q

Lingual carcinoma in the posterior part of the tongue metastasizes to which lymph nodes?

A

Superior deep cervical lymph nodes

146
Q

Lingual carcinoma in the anterior part of the tongue metastasizes to which lymph nodes?

A

Inferior deep cervical lymph nodes

Head and Neck (12 decks)

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