Oral Cavity Flashcards
(146 cards)
1
Q
Attachment for buccinators and superior constrictor?
a. Sphenomandibular ligament
b. Pterygomandibular raphe
c. Stylomandibular ligament
d. Pharyngeal raphe
A
B
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
3
Q
The buccinator is active in smiling. T/F
A
T
4
Q
Which muscles keeps the cheek taut to prevent it from folding and being injured during chewing?
A
Buccinator
5
Q
Muscle which resists teeth to tilt outwards
A
Buccinator and orbicularis oris
6
Q
Muscle which compresses the cheeks
A
Buccinator
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
8
Q
Sensorynervesupplyofposterior⅓ofthetongue
A
CN IX
9
Q
Sensorynervesupplyoftheanteriorhardpalate
A
CN V
10
Q
Motornervesupplyoftensorvelipalatini
A
CN V
11
Q
Tastesensationofanterior⅓ofthetongueissuppliedby________
A
CN VII
12
Q
Damagecausesparalysisofintrinsicmusclesofthetongue
A.CN5
B.CN7
C.CN9
D.noneoftheabove
A
D
13
Q
Whichmusclepullsroot of tongueupwardsand backwards
A.Styloglossus
B.Hyoglossus
C.Stylopharyngeus
D.Glossopharyngeus
A
A
14
Q
Superiorrelationtopalatinetonsil:
A.PalatoglossalArch
B.PalatopharyngealArch
C.SoftPalate
D.CavityofOropharynx
A
C
15
Q
Newbornscaneatandbreatheatthesametimebecauseof:
A.relativelysmallertongueandjaw
B.larynxandhyoidapproximatesmentum
C.epiglottisrestsabovethesoftpalateduringfeeding
D.alloftheabove
A
C
16
Q
Yellowishbonelikematerialcoveringtherootsofteeth
A.Periodontalmembrane
B.enamel
C.Dentin
D.Cementum
A
D
17
Q
Stonesare most likelyto form in submandibularglandbecause:
A.Salivahastomoveagainstgravity
B..Shortcourseofduct
C.Salivaismoreacidicandserous
D.LowerconcentrationofCalciumandPhosphate
A
A
18
Q
Tastebudsaremostconcentratedon
A.Circumvallate
B.Filiform
C.Fungiform
D.Foliate
A
B
19
Q
WhichisTRUEregardingtasteandourtastebuds?
A.Thetonguemapcontinuestobehelpfulininformingusregardingthedifferentsitesoftaste regionsinthetongue.
B.Smellplaysnovitalroleinthetastesensation.
C.Tastesubstancesdonothavetodissolveinsalivatobedetected.
D.Umami(glutamate)hasrecentlybeenaddedtosweetness,saltiness,bitternessand sournessasthefifthqualityoftaste.
A
D
20
Q
Amastoidectomypatientcomplainsoflossoftasteonhisanterior⅔tongue.Whichcould haveprobablybeeninjured?
A.Lingualnerve
B.Glossopharyngealnerve
C.Chordatympani
D.Tympanicnerve
A
C
21
Q
Allofthefollowingoccurduringswallowing,except:
A.Depressionoflarynx
B.Elevationofsoftpalate
A
A
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
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
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
25
When sleeping, every how long do we swallow?
A. 1 minute
B. 3 minutes
C. 5 minutes
D. 7 minutes
C
26
The lateral border of the oral cavity is the
A. Buccinator
B. Tonsillar pillar formed by palatoglossus muscle
C. Palatopharyngeus muscle
D. Orbicularis Oris
B
27
Sublingual gland (duct) opens at
A. Sublingual fold
B. To lingual frenulum
C. Opposite 2nd molar
D. Submental beyond mylohoid
A
28
Basic Secretory Unit of the Salivary Glands
A. Stritiated Duct
B. Intercalated Duct
C. Ductal cell
D. Acinus
D
29
Type of secretion of submandibular gland
A. serous only
B. mucous only
C. both but primarily serous
D. both but primarily mucous
C
30
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
B
31
Dental formula per quadrant (incisors, canines, premolars and molars)
```
A. 2321
B. 2223
C. 2132
D. 2123
E. 2132
```
D
32
Tough, shiny, white outer surface of the tooth
A. Cementum
B. Dentine
C. enamel
D. crown
C
33
What is the most critical state in swallowing?
A. tongue motion
B. soft palate elevation
C. mechanical breakdown of food
A
34
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
35
Which muscle curls the upper lip upwards?
A. Zygomaticus major
B. Orbicularis oris
C. Levator labii superioris
D. levator labii superioris allaque nasii
C
36
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
C
37
What is not a part of oral cavity?
```
A. Lips
B. Alveolus
C. Palate
D. Tonsils
E. Tongue
```
D
38
Nerve supply to angle of mandible and skin of parotid
A. auriculotemporal
B. facial
C. great auricular
D. lesser auricular
C
39
A.k.a deglutition
Swallowing
40
The slit-like space between the teeth and gingivae and the lips and cheeks
Oral vestibule
41
Opening through which the oral vestibule communicates with the exterior
Oral fissure
42
Roof of the oral cavity
Palate
43
The oral cavity communicates with what cavity posteriorly?
Oropharynx
44
A.k.a Osculation
Kissing
45
The free-edged folds of mucous membrane in the midline, extending from the vestibular gingiva to the mucosa of the upper and lower lips
Labial frenula
46
Arteries of the lips
Superior and inferior labial arteries
47
Nerves of the lips
Upper: superior labial branches of the infra-orbital nerves (V2)
Lower: inferior labial branches of the mental nerves (V3)
48
Lymphatic drainage of the lips
Upper lip and lateral parts of the lower lip: submandibular lymph nodes
Medial part of lower lip: submental lymph nodes
49
Cheek bone
Zygomatic arch
50
Artery of the cheeks
Buccal branches of maxillary artery
51
Nerves of the cheeks
Buccal branches of V3
52
Principal muscles of the cheeks
Buccinators
53
How many deciduous teeth do children have?
20
54
How many secondary teeth do adults have?
32
55
Main composition of tooth
Dentin
56
Skeletal features that display the greatest change during a lifetime
Tooth sockets of the maxilla and mandible
57
Arteries of the teeth
Superior and inferior alveolar arteries (from maxillary artery)
58
The superior and inferior alveolar arteries are from which artery?
Maxillary artery
59
Venous drainage of the teeth
Superior and inferior alveolar veins
60
First tooth that erupts
Central incisors
61
Second tooth that erupts
Lateral incisors
62
At what age do deciduous central incisors erupt?
6-8 months
63
At what age do deciduous lateral incisors erupt?
8-10 months
64
Nerve supply of the teeth
Dental plexus from the superior (V2) and inferior alveolar nerve (V3)
65
The incisive fossa is posterior to which tooth?
Central incisor
66
The greater palatine foramen is medial to which tooth?
3rd molar
67
What emerges from the greater palatine foramen?
Greater palatine vessels and nerve
68
The lesser palatine foramen is anterior the greater palatine foramen. T/F
F
It is posterior.
69
What is transmitted by the lesser palatine foramen?
Lesser palatine vessels and nerves
70
The soft palate has no bony skeleton but strengthened by the palatine aponeurosis. T/F
T
71
The uvula hangs from the free margin of the soft palate. T/F
T
72
The soft palate is joined to the tongue and pharynx by the palatopharyngeal and palatoglossal arches, respectively. T/F
F
Soft palate to tongue via palatoglossal. Soft palate to pharynx palatopharyngeal.
73
The space between the cavity of the mouth and the pharynx
Fauces
74
Pilars of the fauces
Palatoglossal and palatopharyngeal arches
75
The short constricted space that establishes the connection between the oral cavity proper and the oropharynx
Isthmus of the fauces
76
Anterior boundary of the isthmus of the fauces
Palatoglossus arch
77
Posterior boundary of the isthmus of the fauces
Palatopharyngeal arch
78
Masses of lymphoid tissue on each side of the oropharynx
Palatine tonsils
79
Because the mucosa of the hard palate is tightly bound to the underlying bone, the submucuous injections here are extremely painful. T/F
T
80
When the soft palate is elevated, the isthmus of the pharynx opens or closes?
Closes
81
The isthmus of the fauces closes when the soft palate is drawn superiorly or inferiorly?
Inferiorly
82
Tenses soft palate and opens mouth of pharyngotympanic tube during swallowing and yawning
Tensor veli palatini
83
Elevates soft palate during swallowing and yawning
Levator veli palatini
84
Elevates posterior part of tongue and draws soft palate unto tongue
Palatoglossus
85
Tenses soft palate and pulls walls of pharynx superiorly, anteriorly and medially during swallowing
Palatopharyngeus
86
Shortens uvula and pulls it superiorly
Musculus uvulae
87
Innervation of tensor veli palatini
Medial pterygoid nerve (V3) via otic ganglion
88
Innervation of most palatine muscles
Pharyngeal branch of CN X via pharyngeal plexus
89
Which palatine muscle is not innervated by the vagus?
Tensor veli palatini
90
The angle of the terminal sulcus points posteriorly to which non-functioning remnant of the proximal part of the embryonic thyroglossal duct?
Foramen cecum
91
What divides the dorsum of the tongue into a presulcal anterior part and a post-sulcal posterior part?
Terminal sulcus
92
What divides the anterior tongue into right and left parts?
Midline groove
93
Large, flat topped papillae which lie directly anterior to the terminal sulcus in a V-shaped row
Vallate papillae
94
Vallate papillae have taste buds. T/F
T
95
Small lateral folds of the lingual mucosa
Foliate papillae
96
Long and numerous papillae containing afferent nerve endings that are sensitive to touch
Filiform papillae
97
Mushroom shaped pink or red spots most numerous on the apex and margins of the tongue
Fungiform papillae
98
Which papillae do not have taste buds?
Foliate papillae
99
Lymphoid nodules on the posterior half of the tongue
Lingual tonsil
100
The midline fold that connects the inferior surface of the tongue to the floor of the mouth
Lingual frenulum
101
The frenulum allows the anterior part of the tongue to move freely. T/F
T
102
Which gland opens into the sublingual caruncles on each side of the base of the lingual frenulum?
Submandibular salivary gland
103
Group of muscles that, in general, alters the position of the tongue
Extrinsic muscles
104
Group of muscles that, in general, alters the shape of the tongue
Intrinsic muscles
105
Extrinsic muscles of the tongue
Genioglossus, hyoglossus, styloglossus, and palatoglossus
106
The extrinsic muscles of the tongue can also alter the shape of the tongue. T/F
T
107
Intrinsic muscles of the tongue
Superior and inferior longitudinal, transverse and vertical muscles
108
Intrinsic muscles of the tongue are not attached to bone. T/F
T
109
Which muscles act together to make the tongue short and thick, and to retract the protruded tongue?
Superior and inferior longitudinal muscles
110
Which muscles act together to make the tongue long and narrow?
Transverse and vertical muscles
111
Motor innervation of almost all muscles of the tongue
Hypoglossal nerve (CN XII)
112
Which muscle of the tongue does not receive motor innervation from Cn XII?
Palatoglossus
113
Motor innervation of palatoglossus
Pharyngeal plexus
114
Nerve supply of tongue for general sensation (touch and temperature)
anterior 2/3: lingual nerve (V3)
| posterior 1/3: glossopharyngeal nerve (CN IX)
115
Nerve supply of tongue for special sensation (taste)
anterior 2/3, except vallate papillae: chorda tympani (CN VII)
posterior 1/3 and vallate papillae: glossopharyngeal (CN IX)
116
Nerve supply of anterior 2/3 of tongue
touch and temperature: lingual nerve (v3)
| taste: chorda tympani (CN VII)
117
Nerve supply of posterior 1/3 of tongue
Glossopharyngeal nerve (CN IX)
118
Nerve supply for special sensation to a small area of the tongue just anterior to the epiglottis
Internal laryngeal nerve (CN X)
119
From which vessel does the lingual artery arise?
External carotid artery
120
Arterial supply of root of tongue
Dorsal lingual arteries
121
Arterial supply of the body of the tongue
Deep lingual arteries
122
The deep lingual arteries communicate at the root of the tongue. T/F
F
They communicate at the apex.
123
The deep lingual arteries are prevented from communicating by the lingual septum. T/F
F
It is the dorsal lingual arteries that are prevents form communicating.
124
Veins of the tongue
Dorsal lingual and deep lingual veins
125
The deep lingual veins join which vein?
Sublingual vein
126
The deep lingual veins run posteriorly with which structure to join the sublingual vein?
Lingual frenulum
127
The deep lingual, dorsal lingual and sublingual veins drain directly to the IJV, or indirectly, to first join which vein?
Lingual vein
128
Lymphatic drainage of the root of the tongue
Superior deep cervical lymph nodes
129
Lymphatic drainage of medial portion of the body of the tongue
Inferior deep cervical lymph nodes
130
Lymphatic drainage of the right and left sides of the body of the tongue
Submandibular lymph nodes
131
Lymphatic drainage of the apex and frenulum of the tongue
Submental lymph nodes
132
Approximate length of the duct of the submandibular gland
5cm
133
Arterial supply of submandibular gland
Submental arteries
134
Venous supply of the submandibular gland
Submental veins
135
The submandibular gland drains into which lymph node?
Jugulo-omohyoid node of the deep cervical lymph nodes
136
Parasympathetic innervation of the submandibular gland
Chorda tympani nerve
137
Sympathetic innervation of the submandibular gland
Superior cervical ganglion
138
Arterial supply of sublingual glands
Sublingual (from lingual artery) and submental (from facial artery) arteries
139
Presynaptic parasympathetic innervation of sublingual glans
Chorda tympani (from Cn VII) and lingual nerves
140
The common discoloration of the lips results from what phenomenon?
Decreased blood flow in capillary beds supplied by the superior and inferior labial arteries, and increased extraction of oxygen.
141
CN responsible for gag reflex
CN IX and X
142
Paralysis of which muscle results in the tendency of the tongue to fall posteriorly, causing obstruction of the airway?
Genioglossus
143
During protrusion, the paralyzed tongue deviates to which side: the paralyzed or the contralateral side?
Paralyzed side
144
Substances absorbed on the underside of the tongue are absorbed through which vessels?
Deep lingual veins
145
Lingual carcinoma in the posterior part of the tongue metastasizes to which lymph nodes?
Superior deep cervical lymph nodes
146
Lingual carcinoma in the anterior part of the tongue metastasizes to which lymph nodes?
Inferior deep cervical lymph nodes
