3DD/Oral pathology I/Dr.Seng Leakhana/
Oral Pathology Quiz
Test your knowledge on oral pathology with this comprehensive quiz featuring 75 questions covering various aspects of oral mucosa, epithelium, and their fun
Whether you're a student preparing for exams or a professional brushing up on your knowledge, this quiz will help you:
- Understand the structure and fun
ction of oral mucosa - Identify different types of epithelial tissues
- Learn about the dentogingival junction and its significance
1. Sulcular epithelium is formed of:
Nonkeratinized stratified squamous epithelium
Parakeratinized stratified squamous epithelium.
Orthokeratinized stratified squamous epithelium.
Columnar epithelium.
2. Which of the following is a wrong statement about the dentogingival junction?:
σ� It has an epithelial and a connective tissue component.
σ� It shifts apically with age.
σ� Its coronal end corresponds to the bottom of the gingival sulcus.
σ� Its epithelial cells are keratinized stratified squamous.
3. Keratinized epithelium differs from nonkeratinized epithelium in that:
σ� Contain a higher glycogen content.
σ� It does not contain basal lamina.
σ� No tonofilaments are found in it.
It is contain cranular cell layer
4. The buccal mucosa:
σ� Has a keratinized epithelium.
σ� Is continuous with the gingival mucosa.
σ� It is firmly attached to the underlying tissues.
σ� Has numerous connective tissue papillae.
5. Masticatory mucosa has:
σ� Elastic fibers in its lamina propria.
σ� Elastic fibers in its blood vessels wall.
σ� Stratum corneum.
σ� No connective tissue papillae.
6. Which of the following is true of the sulcular epithelium?:
σ� Consists of keratinized epithelium.
σ� Has submucosa.
σ� Is nonkeratinized.
σ� Contain connective tissue papillae.
7. Parakeratinized epithelium is found in:
σ� Gingiva.
σ� Vestibular fornix.
σ� Floor of the mouth.
σ� Ventral surface of tongue.
8. In which area the connective tissue papillae are long & numerous?:
σ� Buccal mucosa.
σ� Gingiva.
σ� Alveolar mucosa.
σ� Floor of the mouth.
9. The mucogingival junction is the junction of:
σ� Sulcular epithelium & free gingiva.
σ� Free gingiva and attached gingiva.
σ� Alveolar mucosa and attached gingiva
σ� Palatine gingival & rougae zone.
10. The mucosa of the dorsal surface of the tongue is:
σ� Spesialized mucosa.
σ� Masticatory mucosa.
σ� Linning mucosa.
σ� Smooth surface.
11. Which of the following represents the correct innervation of fungiform papilla?:
σ� Chorda tympani.
σ� Facial nerve.
σ� Trigeminal nerve.
σ� Glossopharyngeal nerve.
12. Which of the following appears to play an important role in attachment of its cells:
σ� Keratohyaline granules.
σ� Desmosomes.
σ� Glycogen contents.
σ� Lysosomes.
13. The structure of the oral mucosa is:
σ� Epithelium and basement membrane.
σ� Mucosa & submucosa.
σ� Epithelium, lamina propria and muscular layer.
σ� Epithelium, lamina propria and basement membrane.
14. Healthy line is represented in:
σ� Mucogingival junction
σ� Free gingival groove.
σ� Junction of the palatine gingiva and the lateral surface of the palate.
σ� Junction of the buccal and labial mucosa.
15. Fungiform papillae:
σ� Are seen as white spots.
σ� Have a stratum corneum.
σ� Carry taste buds.
σ� Have a lamina propria which is poorly vascularized.
16. Which of the following is true regarding the dentogingival junction?:
σ� It is derived entirely from ectomesenchyme.
σ� It moves apically with age.
σ� It moves occlusally with age.
σ� Contains clear submucosa.
17. Which of the following regions has a nonkeratinized epithelium and is loosely attached to the underlying structures?:
σ� Buccal mucosa.
σ� Attached gingiva.
σ� Hard palate.
σ� Vestibular fornix.
18. The floor of the mouth is lined by:
σ� Linning mucosa loosely attached.
σ� Linning mucosa firmly attached.
σ� Specialized mucosa.
σ� Masticatory mucosa.
19. Keratohyaline granules in epithelial cells of keratinized mucosa are associated with:
σ� The tonofilaments.
σ� Prickle cell layer.
σ� Basal cell layer.
σ� Stratum granulosum.
20. 20 Which of the following contributes to the reddish coloration of the vermilion border?:
σ� Thichness of oral epithelium.
σ� Existance of high number of langerhans cells.
σ� Vascularity of the lamina propria.
σ� Epithelial keratinization.
21. Which of the following are not usually found in the keratinocytes of the stratum spinosum of keratinized oral epithelium?:
σ� Keratohyaline granules.
σ� Tonofibrils.
σ� Membrane coating granules.
σ� Ribosomes.
22. The sulcular epithelium:
σ� Is keratinized.
σ� Has thick epithelial layer.
σ� Has long epithelial ridges.
σ� Is nonkeratinized.
23. Taste buds are not found on:
σ� Filliform papillae.
σ� Fungiform papillae.
σ� Foliate papillae.
σ� Circumvallate papillae.
24. Which of the following is not present in the stratum spinosum?:
σ� Desmosomes.
σ� Tonofilaments.
σ� Keratohyaline granules.
σ� Odland's bodies.
25. Which of the following mucosa has a nonkeratinized epithelium :
σ� Free gingiva.
σ� Attached gingiva.
σ� Mucosa of the floor of the mouth.
σ� Palatal mucosa.
26. Which of the following is a transiant cell in the oral epithelium:
σ� Melanocyte.
σ� Lymphocyte
σ� Merkel cell.
σ� Langerhans cell.
27. Which of the following serves as a source of the cells which form the attachment epithelium?:
σ� Dental sac
σ� Reduced enamel epithelium & gingiva.
σ� Enamel cuticle.
σ� Vestibular lamina.
28. The mode of attachment of the junctional epithelium is:
σ� Basement membrane.
σ� Basal lamina & hemidesmosome.
σ� Enamel cuticle.
σ� Odland's bodies.
29. Which of the following is true of the attachment epithelium?:
σ� Its coronal end is found at the bottom of the gingival sulcus.
σ� Its apical migration is the major causative factor in active eruption.
σ� Is impermeable to dyes and fluids.
σ� Can migrate coronally.
30. Which of the following cells synthesize protein which remains within the cell without secretion:
σ� Osteoblasts.
σ� Plasma cell
σ� Fibroblast.
σ� Keratinocyte.
31. Which of the following papillae of the tongue do not contain taste buds:
σ� Filliform.
σ� Vallate.
σ� Foliate.
σ� Fungiform.
32. Which is not true about taste buds:
σ� The supporting cells of a taste bud carry taste hairs.
σ� 10 to 20 neuroepithelial cells are the receptors of taste stimuli in a taste bud.
σ� Taste buds extend from the basal lamina to the surface of epithelium.
σ� Nerve fibers end in contact with the sensory cells in the taste buds.
33. Those papillae of the tongue which are the largest, having many:taste buds and are associated with the duct of Von Ebner's gland are:
σ� Folliate.
σ� Filliform.
σ� Fungiform.
σ� Circumvallate.
34. Glands emptying the circumvalate trough are the:
σ� Mucous glands.
σ� Serous glands.
σ� Glands of Nuhn.
σ� Mucous and serous mixed glands.
35. Tongue papillae responsible for bitter taste sensation:
σ� Filliform papillae.
σ� Fungiform papillae.
σ� Circumvallate papillae.
σ� Foliate papillae.
36. The oral mucosa ចែកច៝ញជាប៉ុន្មានស្រទាប់?:
σ� ពីរស្រទាប់ epithelium and connective tissue
បីស្រទាប់ epithelium, connective tissue and lamina propria
σ� បួនស្រទាប់ epithelium, connective tissue, lamina propria and corium
បួនស្រទាប់ epithelium, basal layer, connective tissue and corium
37. Cornified layer មាននៅក្នុងៈ
Keratinized epithelium
σ� Nonkeratinized epithelium
Parakeratinized epithelium
Orthokeratinized epithelium
40. Granular layer មាននៅក្នុងៈ
Nonkeratinized epithelium
Keratinized epithelium
Parakeratinized epithelium
Keratinized, Parakeratinized and Orthokeratinized epithelium
38. Superficial layer មាននៅក្នុងៈ
Keratinized epithelium
Nonkeratinized epithelium
Parakeratinized epithelium
Orthokeratinized epithelium
41. Basement membrane នៅចន្លោះ:
σ� Epithelium and lamina propria
Epithelium and submucosa
Epithelium and Bone
Lamina propria and submucosa
42. Taste buds are in :
Hard palate
Soft palate
Tongue
Teeth
43. Specialized cells stem from:
σ� Basal layer and prickle cell layer
Granular layer
Cornified layer
Cornified layer
44. Secialized cells migrate:
σ� to the upper layers
σ� to the lower layer
To basement membrane
to lamina propria
45. Keratohyalin granules are present in:
σ� Basal layer and prickle cell layer
Granular layer and prickle cell layer
Cornified layer
Basement membrane
46. Most areas of oral mucosa are:
Keratiniezd stratified epithelium
NonKeratiniezd stratified epithelium
ParaKeratiniezd stratified epithelium
OrthoKeratiniezd stratified epithelium
47. Stenon’s duct is of:
Parotide gland
Submandibular gland
Sublingual gland
Minor gland
48. Wharton’s duct is of:
Parotide gland
Submandibular gland
Sublingual gland
Minor gland
49. Bartholin’s duct is of:
Parotide gland
Submandibular gland
Sublingual gland
Minor gland
50. Von Ebner’s salivary gland is:
Parotide gland
Submandibular gland
Sublingual gland
Minor gland
51. What is a secretory cell in oral cavity?:
Cell producing hormone
Cell producing histamine
Cell producing gastric acid
σ� Cell producing saliva
52. Function of acini is
To produce hormone
To produce histamine
To produce gastric acid
To produce saliva
53. Lumen is:
A central opening of an oral cavity
a cental opening of an acini
a central opening of a tooth
a central opening of a gland
54. Myoepithelial cell of an acini is:
Kind of cell in a salivery gland
Kind of cell in a heart
Kind of cell in a tonsil
kind of contractile cell on an acini
55. Intercalated duct is :
σ� a duct from a salivery gland
a duct from a lumen
A duct from acinus
a duct from a paritide gland
56. Striated duct is:
a duct from a salivery gland
A duct from a system duct
A duct from a submandibular gland
a duct from intercalated ducts
57. Excretory duct is:
A duct from a striated ducts
A duct from a parotide gland
a duct from a submandibular gland
a duct from a sublimgual gland
58. នៅក្នុងមាឝ់ មាន Tosils អ្វីឝ្លះ?:
Pharyngeal tonsil
Tubal tonsil
Palatine tonsils and Lingual tonsil
All the answers in this question
59. ទីឝាំងរបស់ Palatine tonsil គឺៈ
σ� នៅលើ Pharynx
នៅលើ Larynx
σ� នៅលើ Palate
���ន្លោះ anterior pillar and posterior pillar
60. ទីឝាំងរបស់ Tubal tonsil គឺៈ
នៅលើ Pharynx
នៅលើ Larynx
នៅលើ Palate
នៅឝាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx
61. ទីឝាំងរបស់ Pharyngeal tonsil គឺៈ
នៅលើ Pharynx
នៅលើ Larynx
នៅលើ Palate
នៅឝាងលើនិងឝាងក្រោយកន្លែងបឝ់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx
62. ទីឝាំងរបស់ Lingual tonsil គឺៈ
σ� នៅលើ Pharynx
σ� នៅលើ Larynx
σ� នៅលើ Palate
σ� នៅផ្នែកឝាងក្រោយបង្អស់នៃអណ្ឝាឝ ក្នុងបំពង់ក
63. Vesicle គឺជា:
ពងទឹក
ពងឝ្ទុះ
σ� ពងទឹកលាយឝ្ទុះ
σ� ពងទឹកលាយឈាម
64. Bulla:
Vesicle
Large vesicles that are confluent
Large pustule
large lesion
65. Taste buds មិនមាននៅក្នុង៖:
Circumvallate papillae
Fungiform papillae
Foliate papillae
Filiform papillae
66. Diskeratosis គឺជាៈ
Abnormality of orientation and development of epithelial cells.
Abnormality of orientation and cells mitosis.
Abnormality of migration and cells mitosis.
Abnormality of structure and development of epithelial cells.
67. Acantholysis គឺជាៈ
Swelling in intracellular space destroying desmosome in stratum spinosum cells
Destroying desmosome in stratum spinosum cells
Destroying desmosome in stratum granulosome cells
Destroying desmosome in stratum basal cells
68. Hyperkeratosis is:
Increase in size of keratin layer or stratum corneum
σ� Increase in thickness of keratin layer or stratum corneum
σ� Increase in wideness of keratin layer or stratum corneum
σ� Increase in longevity of keratin layer or stratum corneum
69. The onecelled microorganisms also known as germs or microbes are:
σ� Viruses
σ� Fungi
σ� Bacteria
σ� Cilia
70. Parasites are types of:
σ� Disease
σ� Pathogenic virus
σ� Nonpathogenic bacteria
σ� Pathogenic bacteria
72. Disease in plant or animal tissue is caused by:
σ� Acidophilus
σ� Saprophytes
σ� Pathogenic bacteria
σ� Nonpathogenic bacteria
73. Technical term for bacteria that live on dead matter is:
σ� Parasites
σ� Viruses
σ� Saprophytes
σ� Flagella
74. The spirilla bacteria Trepnema pallida causes:
σ� Syphilis
σ� Tuberculosis
σ� Pneumonia
σ� Abscesses
75. Pus forming bacteria that cause strep throat and blood poisoning are:
σ� Streptococci
σ� Bacilli
σ� Staphylococci
σ� Diplococci
76. A disease that is transmitted from one person to another by contact is said to be:
σ� Occupational
σ� Communicable
σ� Chronic
σ� Congenital
77. A sign of bacterial infection is:
σ� Pus
σ� Bleeding
σ� A cold
σ� Parasites
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