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Oral Histology

Practice MCQs under Oral Histology. 402 available Open paginated MCQ list →

1Bone, AMJ And Maxillary Sinus
2Cementum
3Dentin
4Development And Growth of Teeth
5Enamel
6Oral Mucous Membrane
7Periodontal Ligament
8Pulp
9Salivary Glands
10Tooth Eruption, Shedding And Miscellaneous

Questions

Show Answers

Correct options are highlighted when revealed.

1.Which of the following statements is incorrect?

The root resorption of primary incisors and canines starts on their lingual sides.Root resorption in primary molars initiates from their inner surfaces.The loss of primary teeth is postponed if their permanent successors are missing.All of the above statements are correct.

2.Which of the following statements about epithelial keratinization is accurate?

Non-keratinized epithelium lacks both the stratum granulosum and stratum corneum layers, with surface cells retaining their nuclei.Parakeratinized epithelium features superficial cells containing pyknotic nuclei and does not have a stratum granulosum layer.Orthokeratinized epithelium has a visible stratum granulosum, and its surface cells are anucleate.All the above statements are true.None of the above.

3.Which areas of the oral mucosa are characterized by elongated connective tissue papillae and a keratinized epithelial layer?

Gingiva and alveolar mucosaHard palate and gingivaBuccal mucosa and alveolar mucosaHard palate and soft palate

4.Which of the following areas is NOT covered by stratified squamous epithelium?

The lipsThe tongueThe roof of the soft palateThe oropharynx

5.Membrane coating granules are known to __________?

Present as round structures containing an amorphous center in keratinized epitheliumDerive from the Golgi apparatusContain bundles of tonofilamentsAssist in the attachment of fully keratinized epithelial cells

6.What are the main components of the basement membrane?

Includes lamina lucida and lamina duraComposed of luratihyaline granulesMade up of lamina densa and lamina lucidaContains desmosomes and hemidesmosomes

7.Which type of clear cell is predominantly found in the oral epithelium?

Pigment-producing melanocyteImmune system lymphocyteSensory Merkel cellAntigen-presenting Langerhans cell

8.Into which type of papilla do the von Ebner's glands secrete?

Foliate papillaeFiliform papillaeCircumvallate papillaeFungiform papillae

9.Which type of dendritic cell is found within the stratified squamous keratinized epithelium of the oral cavity?

Cells that produce keratinImmune cells involved in allergic reactionsPigment-producing dendritic cellsContractile epithelial cellsNone of the above

10.What is the name of the epithelial layer formed by reduced enamel after the crown has erupted?

Primary attachment epitheliumSecondary attachment epitheliumInitial enamel cuticleReduced enamel epithelium

11.Why does the vermilion border need to be moisturized frequently?

It has a higher concentration of sweat glandsIt possesses a greater number of oil-producing glandsIt has fewer sebaceous glands than other skin areasIt contains a reduced amount of sweat glandsIt is exposed to constant sunlight

12.Which of the following statements about stippling is correct?

It results from the alternating raised and lowered areas in the epithelium.It serves as a functional response to mechanical stress.It vanishes during advancing gingivitis because of edema, and this alteration can be reversed.All of the above are true.

13.Which of the following cells is not a keratinocyte?

Langhans cellRed blood cellLangerhans cellGrey cellMelanocyte

14.Which type of papilla is characterized by partial keratinization?

Fungiform papillaeFiliform papillaeCircumvallate papillaeFoliate papillae

15.In which type of epithelium are keratohyaline granules most prominently observed?

Keratinized epitheliumNon-keratinized epitheliumParakeratinized epitheliumOrthokeratinized epitheliumNone of the above

16.What type of epithelial structure characterizes the inner lining of the gingival sulcus?

Lacks rete pegsContains well-developed rete pegsIs composed of keratinized epitheliumConsists of parakeratinized epitheliumIs non-keratinized

17.In which tissue are elongated rete pegs typically observed?

Alveolar mucosaMucosa of the mouth floorAttached gingivaBuccal mucosal lining

18.What is the name of the connective tissue found within the gingiva?

Lamina duraDental pellicleLamina propriaFibroblast cellsGingival epithelium

19.What is the typical color of healthy gingival tissue?

Light pinkBright redCoral pinkOther than the listed colors

20.What types of epithelium are found in the oral mucous membrane?

Exclusively keratinized epitheliumSolely non-keratinized epitheliumOrthokeratinized, parakeratinized, and non-keratinized epitheliumOnly parakeratinized epitheliumNone of the above

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