Oral Cavity And Palate Flashcards
(134 cards)
0
Q
Where do you palpate for enlarged lymph nodes if you have lesions on the lips?
A
Submandibular
1
Q
Where do you palpate for enlarged lymph nodes if you have lesions on the chin?
A
Submental
2
Q
Forms vertical wrinkles?
A
Corrugator Supercilii
3
Q
Forms horizontal wrinkles
A
Procerus
4
Q
Poking the posterior part of the pharnyx or uvula will exhibit this reflex.
A
Gag reflex
5
Q
Innervates the hard palate
A
Trigeminal nerve
6
Q
Innervates the uvula
A
Vagus nerve
7
Q
Innervates the posterior tongue
A
Glossopharyngeal nerve
8
Q
Innervates the anterior tongue
A
Trigeminal nerve
9
Q
Bony skeleton of the hard palate?
A
Palatine process of maxilla, horizontal plate of palatine
10
Q
What is embedded in the mucosa of the hard palate?
A
Accessory salivary glands
11
Q
Blood supply of the hard palate?
A
Descending palatine branch of the internal maxillary artery
12
Q
Depression in midline posterior to incisors?
A
Incisive fossa
13
Q
Passes through the incisive fossa?
A
Nasopalatine nerve
14
Q
Opening medial to the third molar tooth?
A
Greater palatine foramen
15
Q
Opening posterior to greater palatine foramen?
A
Lesser palatine foramen
16
Q
Passes through greater palatine foramen?
A
Greater palatine vessels and nerves
17
Q
Passes through lesser palatine foramen?
A
Lesser palatine vessels and nerves
18
Q
The expanded tendon of the veli palatini forms this structure?
A
Palatine aponeurosis
19
Q
Which anatomic region of the soft palate consists of aponeurosis?
A
Anterior
20
Q
Which anatomic region of the soft palate is mostly muscular?
A
Posterior
21
Q
The soft palate closes off this structure in speaking, swallowing, and blowing.
A
Nasopharynx
22
Q
Centrally located in the soft palate?
A
Uvula
23
Q
Lateral to the soft palate?
A
Anterior and posterior pillars of the fauces (palatoglossal / palatopharyngeal)
24
Space between oral cavity and pharynx
Fauces
25
Constricted space that establishes connection between oral cavity proper and oropharynx?
Isthmus of fauces
26
Masses of lymphoid tissue on each side of oropharynx
Palatine tonsils
27
Houses each tonsil?
Tonsilar fossa
28
Secretion of the palatine glands?
Mucous
29
Part of gingiva that covers the lingual surface of the teeth and alveolar process?
Superior lingual gingiva
30
Anterior to the incisive fossa?
Incisive papilla
31
Lateral to the incisive papilla and assists in manipulation of food during mastication
Transverse palatine folds/rugae
32
Whitish streak passing posteriorly in the midline of the palate
Palatine raphe
33
Innervation of tensor veli palatini?
Medial pterygoid nerve (branch of v3)
34
Muscle of soft palate not innervated by a branch of the vagus nerve?
Tensor veli palatini
35
Innervates the levator veli palatini?
Pharyngeal branch of vagus nerve via pharyngeal plexus
36
Innervates the palatoglossus?
Pharyngeal branch of vagus nerve via pharyngeal plexus
37
Innervates the palatopharyngeus?
Pharyngeal branch of vagus nerve via pharyngeal plexus
38
What muscle elevates posterior part of the tongue and draws soft palate onto tongue?
Palatoglossus
39
Sensory innervation of majority of the palate?
Maxillary nerve
40
Sensory innervation of anterior portion of palate?
Nasopalatine branch of cn5
41
Sensory innervation of posterior part of hard palate?
Cn9
42
Sensory innervation of soft palate?
Lesser palatine nerve
43
Sensory innervation of gingiva and mucous membrane?
Greater palatine nerve
44
The greater and lesser palatine arteries are branches of what artery?
Descending palating artery
45
Lesser palatine artery anastomoses with what artery?
Ascending palatine artery
46
Venous drainage of palate
Pterygoid venous plexus
47
Lymphatic drainage of palate?
Deep vertical cervical chain
48
Structure in the surface of palatine tonsils not found in other lymphoid tissue?
Tonsillar crypts
49
Fibrous tissue which covers the lateral surface of palatine tonsils?
Capsule
50
Superior to the palatine tonsils?
Soft palate
51
Inferior to the palatine tonsils?
Posterior third of tongue
52
Lateral to the palatine tonsils
Internal carotid artery
53
Main blood supply of the palatine tonsils?
Tonsillar artery (from facial)
54
Bulging of this lymph node indicates tonsillitis?
Jugulodigastric node
55
Distance of blood vessels and nerves behind tonsil?
2.5 cm
56
The tongue is attached to which structures?
Styloid process, soft palate, mandible, hyoid
57
Divides the tongue into right and left halves?
Median fibrous septum
58
Location of the taste buds?
Around the papillae
59
More extensive, superior and posterior surface of the tongue?
Dorsum of tongue
60
V- shaped groove which divides dorsum into anterior part and posterior part?
Terminal sulcus
61
Opening where anterior/posterior part of dorsum of tongue are located?
Oral cavity proper/oropharynx
62
Inferior surface of the tongue is connected to the floor of the mouth via what structure?
Lingual frenulum
63
Located on each side of the base of frenulum?
Sublingual caruncle (includes wharton's duct)
64
Non-functional remnant of the embryonic thyroglossal duct?
Foramen cecum
65
Differentiate presulcal vs postsulcal part of tongue, aside from position.
Presulcal - mobile, with papillae
| Postsulcal - no papillae, with lingual tonsils
66
What are the components of the lymphoid ring of waldeyer?
Lingual tonsil, palatine tonsil, pharyngeal tonsil
67
Papillae arranged in v-shaped rows parallel to terminal sulcus?
Filiform
68
Papillae abundant at the apex and margins of tongue?
Fungiform
69
Papillae with Small, laterally located folds and poorly developed in humans?
Foliate
70
Papillae with numerous taste buds arranged in deep circular trenches around it?
Vallate
71
Papillae which receive the openings of serous glans?
Vallate
72
Muscle that depresses tongue?
Hyoglossus, genioglossus(bilateral)
73
Muscle that elevates the posterior tongue?
Palatoglossus
74
Muscle that retrudes tongue and curls it?
Styloglossus
75
Unilateral contraction of this muscle deviates tongue to contralateral side?
Genioglossus
76
Fan-shaped muscle which consists bulk of tongue?
Genioglossus
77
Muscle that narrows and elongates the tongue?
Transverse fibers of intrinsic tongue muscles
78
Muscle that flattens and broadens tongue?
Vertical fibers of intrinsic tongue muscles
79
Muscle that elevates apex and sides of tongue, and curls tongue longitudinally upward?
Superior longitudinal fibers of intrinsic tongue muscles
80
Muscle that depresses apex of tongue and curls tongue longitudinally downward?
Inferior longitudinal fibers of intrinsic tongue muscles
81
Sensory innervation of mucous membrane of anterior 2/3 of tongue?
Lingual nerve
82
Sensory innervation of taste fibers of anterior 2/3, except vallate papillae?
Chorda tympani
83
Sensory innervation of posterior 1/3 of tongue
Glossopharyngeal nerve
84
Tongue muscle not motor innervated by hypoglossal nerve?
Palatoglossus
85
Lingual artery arises from what major artery?
External carotid artery
86
Blood supply of posterior tongue?
Dorsal lingual arteries
87
Blood supply of anterior tongue
Deep lingual arteries
88
Lingual arteries which do not communicate with each other
Dorsal lingual arteries
89
Vein which accompanies dorsal lingual artery?
Dorsal lingual vein
90
When drugs are placed under tongue for quick absorption, what vein does it enter?
Deep lingual vein
91
All lymph from tongue ultimately drains where?
Deep cervical nodes
92
Lymphatic drainage of tip of tongue?
Submental lymph nodes
93
Lymphatic drainage of anterior 2/3
Lateral: submandibular lymph nodes
Medial: inferior deep cervical lymph nodes
94
Lymphatic drainage of psterior 1/3
Upper nodes of deep cervical
95
The parotid gland is opposite what tooth?
2nd maxillary nolar
96
Smallest of the salivary glands?
Sublingual gland
97
Inferior to the sublingual gland?
Mylohyoid
98
Anterior to the sublingual gland?
Genioglossus
99
Posterior to the sublingual gland?
Hyoglossus
100
Lateral to the sublingual gland?
Mandible
101
Medial to the sublingual gland?
Styloglossus/hyoglossus
102
Sublingual duct which opens in the floor of the mouth along sublingual fold?
Duct of rivinus
103
Major sublingual ducts that unite together and join submandibular duct to empty to sublingual papillae
Bartholin's duct
104
Innervation of sublingual gland
Lingual nerve and chorda tympani
105
Arterial supply of sublingual gland
Sublingual artery from lingual
| Submental artery from facial
106
Submandibular duct arises between what muscles?
Mylohyoid and hyoglossus
107
Lobe of submandibular gland wedged between mandible and mylohyoid?
Superficial lobe
108
Lobe of submandibular gland resting against the hyoglossus and mylohyoid?
Deep lobe
109
Nerves in contact with the deep lobe of submandibular gland
Lingual and hypoglossal nerves
110
Innervation of submandibular gland
Facial nerve
111
Arterial supply of submandibular gland
Submental artery
112
Lymphatic drainage of submandibular gland
Submandibular and deep cervical lymph node
113
Location of submandibular lymph nodes?
Embedded within gland and partly in mandible
114
How do you differentiate enlarged submandibular gland and mass on submandibular lymph nodes?
Gland can be palpated in the mouth, since it extends to the floor of mouth
115
Number of teeth in adult with complete set
32
116
Number of teeth in children
20
117
Teeth missing in pediatric patients
Premolars
118
Removal of pulp, cleaning, shaping, decontamination, and filling with cement?
Root canal
119
Part of teeth which projects from gingiva
Crown
120
Fixed in tooth socket by peridontium
Root
121
Between crown and root of teeth
Neck
122
Primary composition of teeth
Dentin
123
Covers dentin over crown
Enamel
124
Covers dentin over root
Cement
125
Contains connective tissue, blood vessels, blood, and nerves of teeth
Pulp cavity
126
Specialized tissues which support teeth
Peridontium
127
Vessels and nerves in the pulp cavity pass through this structure
Apical foramen/root foramen
128
Innervation of teeth
Superior and inferior alveolar nerves
129
Blood supply of teeth
Superior and inferior alveolar arteries
130
Lymphatic drainage of teeth
Submandibular lymph nodes
131
Paralysis of this muscle can cause tongue to fall posteriorly and obstruct the airway
Genioglossus
132
Embryonic tongue structure found between 2nd pharyngeal arches?
Tuberculum impar
133
Innervation of stylopharyngeus
Cn 9
