Oral Histology Test

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Oral Histology Test

1 / 60

How are infections of the tonsils or adenoids usually treat:

a. Aspirin

b. Acetaminophen

c. Antibiotic

d. All the answers in this question are incorrect

2 / 60

Bulk of lamina propria of the gingiva is made of collagen type?

a. III

b. IV

c. II

d. I

3 / 60

Which of the following is a wrong statement about the dentogingival junction:

a. Its coronal end corresponds to the bottom of the gingival sulcus.

b. Its epithelial cells are keratinized stratified squamous.

c. It has an epithelial and a connective tissue component.

d. It shifts apically with age.

4 / 60

Bulla:

a. Large vesicles that are confluent

b. large pustule

c. large lesion

d. Vesicle

5 / 60

Excretory duct is

a. a duct from a parotide gland

b. a duct from a striated ducts

c. a duct from a sublimgual gland

d. a duct from a submandibular gland

6 / 60

Tongue papillae responsible for bitter taste sensation:

a. Foliate papillae.

b. Fungiform papillae.

c. Filliform papillae.

d. Circumvallate papillae.

7 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Glucose

b. ច្រោះ Lipids

c. ច្រោះ Proteins

d. ច្រោះ Toxic products

8 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Free gingiva.

b. Palatal mucosa.

c. Attached gingiva.

d. Mucosa of the floor of the mouth.

9 / 60

Taste buds មិនមាននៅក្នុង៖

a. Foliate papillae

b. Circumvallate papillae

c. Fungiform papillae

d. Filiform papillae

10 / 60

The normal P^Hof saliva is about :

a. 7.5

b. 9.5

c. 5.5

d. 8.5

11 / 60

Which papillae are completely keratinized?

a. Circumvallate

b. Foliate

c. Filliform

d. Fungiform

12 / 60

Superficial layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Keratinized epithelium

c. Parakeratinized epithelium

d. Nonkeratinized epithelium

13 / 60

The buccal mucosa:

a. Is continuous with the gingival mucosa.

b. Has numerous connective tissue papillae.

c. It is firmly attached to the underlying tissues.

d. Has a keratinized epithelium.

14 / 60

Which of the following cells synthesize protein which remains within the cell without secretion:

a. Fibroblast.

b. Keratinocyte.

c. Plasma cell.

d. Osteoblasts.

15 / 60

The total amount of saliva secreted by all the salivary glands about 30% is secreted by the :

a. Parotid gland

b. All the answers in this question are incorrect

c. Submandibular gland

d. Sublingual gland

16 / 60

Buccal mucosa is?

a. Para keratinized

b. Non- keratinized

c. Keratinized

d. Ortho keratinized

17 / 60

Wharton’s duct drains the:

a. Pancreas

b. Parotid

c. Submandibular gland

d. Lacrimal gland

18 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

c. នៅលើ Palate

d. នៅលើ Larynx

19 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and basement membrane.

b. Epithelium, lamina propria and muscular layer.

c. Epithelium and basement membrane.

d. Mucosa & submucosa.

20 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. ចន្លោះ anterior pillar and posterior pillar

b. នៅលើ Larynx

c. នៅលើ Palate

d. នៅលើ Pharynx

21 / 60

Salivary glands are not found in :

a. In mandible posterior to the 3rd molar

b. Posterior part of the hard palate

c. Nasopalatine canal

d. Anterior part of the hard palate

22 / 60

The sour taste come from:

a. Amino acids

b. All the answers in this question are incorrect

c. Sodium chloride

d. Citric acids

23 / 60

Technical term for bacteria that live on dead matter is:

a. Flagella

b. Viruses

c. Parasites

d. Saprophytes

24 / 60

Taste buds are in :

a. Soft palate

b. Hard palate

c. Tongue

d. Teeth

25 / 60

Basement membrane នៅចន្លោះ:

a. Lamina propria and submucosa

b. Epithelium and lamina propria

c. Epithelium and Bone

d. Epithelium and submucosa

26 / 60

Dendritic cell located in the stratified squamous keratinized epithelium of the oral cavity include?

a. Keratinocytes

b. Myoepithelial cell

c. Mast cells

d. Melanocytes

27 / 60

Cornified layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Nonkeratinized epithelium

c. Parakeratinized epithelium

d. Keratinized epithelium

28 / 60

The mucosa of the dorsal surface of the tongue is:

a. Linning mucosa.

b. Masticatory mucosa.

c. Spesialized mucosa.

d. Smooth surface.

29 / 60

Keratohyalin granules are present in:

a. Granular layer and prickle cell layer

b. Basal layer and prickle cell layer

c. Cornified layer

d. Basement membrane

30 / 60

Myoepithelial cells are present in :

a. Intercalated duct and terminal duct

b. Mucous cells

c. Striate duct

d. Serous cells

31 / 60

Wharton’s duct is of:

a. Parotide gland

b. Sub-lingual gland

c. Minor gland

d. Sub-mandibular gland

32 / 60

The sulcular epithelium:

a. Has long epithelial ridges.

b. Is keratinized.

c. Has thick epithelial layer.

d. Is nonkeratinized.

33 / 60

The peripheral nervous system includes the:

a. Brain

b. Nuclei

c. Spinal cord

d. Somatic nervous system

34 / 60

The papillae lined up in the back of the tongue are called:

a. Foliate

b. Fungiform

c. Circumvallate

d. Filliform

35 / 60

Glands are classified based on?

a. All the answers in this question are correct

b. Their secretory product

c. Branching pattern of the ducts

d. Made of secretion

36 / 60

Bartholin’s duct is of:

a. Parotide gland

b. Sub-lingual gland

c. Minor gland

d. Sub-mandibular gland

37 / 60

A sign of bacterial infection is:

a. Parasites

b. Bleeding

c. A cold

d. Pus

38 / 60

The most common cell in connective tissue proper is the?

a. Macrophage

b. Mast cell

c. Fibroblast

d. Lymphocyte

39 / 60

Displasia គឺជា៖

a. Disorder of cell in mitosis

b. Disorder of cell in migration

c. Disorder of cell distribution

d. Disorder of cell structure formation

40 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Larynx

c. នៅលើ Palate

d. នៅលើ Pharynx

41 / 60

Intercalated duct is :

a. a duct from a paritide gland

b. a duct from a lumen

c. a duct from acinus

d. a duct from a salivery gland

42 / 60

Merkel cells are found in which of the following tissue?

a. Reticular of dermis

b. Papillary layer of dermis

c. Epidermis

d. Hypodermis

43 / 60

Minor salivary glands are present in the submucosa throughout the oral mucosa except the?

a. Retromolar area and hard palate

b. Lip and posterior third of the hard palate

c. Gingiva and anterior part of hard palate

d. Tongue and soft palate

44 / 60

Which of the following is true regarding the dentogingival junction?:

a. Contains clear submucosa.

b. It is derived entirely from ectomesenchyme.

c. It moves occlusally with age.

d. It moves apically with age.

45 / 60

The ducts of glands opening into the floor of the mouth are :

a. Von Ebner

b. Submandibular and Sublingual

c. Submandibular and Parotid

d. Sublingual and Parotid

46 / 60

Which of the following is purely mucous :

a. Palatine glands

b. All the answers in this question are correct

c. Glossopalatine glands

d. Posterior lingual mucous glands

47 / 60

Which of the following is not found in saliva :

a. Triypsine

b. Bicarbonate

c. Phosphate

d. Lysozyme

48 / 60

Masticatory mucosa has:

a. Elastic fibers in its blood vessels wall.

b. No connective tissue papillae.

c. Stratum corneum.

d. Elastic fibers in its lamina propria.

49 / 60

The spirilla bacteria Trepnema pallida causes:

a. Syphilis

b. Tuberculosis

c. Abscesses

d. Pneumonia

50 / 60

Hyperkeratosis is:

a. Increase in wideness of keratin layer or stratum corneum

b. Increase in size of keratin layer or stratum corneum

c. Increase in longevity of keratin layer or stratum corneum

d. Increase in thickness of keratin layer or stratum corneum

51 / 60

Hypertrophy is?

a. Decrease in size of an organ

b. Increase in size of an organ

c. Decrease in cell number of an organ

d. Increase in cell number of an organ

52 / 60

Bartholin’s duct is the name of :

a. Parotid duct

b. Lacrimal duct

c. Sublingual duct

d. Submandibular duct

53 / 60

The tonsillar lymph node is situated at the level of?

a. Angle of the mandible

b. Vertebrae

c. Jugulodigastric crossing

d. Clavicle

54 / 60

Each taste bud has————-that pick up signals from the foods we eat:

a. Tiny hairs

b. A hard shell

c. All the answers in this question are correct

d. A sticky top

55 / 60

B-cells ( lumphocytes ) can?

a. Kill other cells

b. Give rise to plasma cells

c. Suppress T-cells

d. Secrete interferon

56 / 60

How many neurones are in the body of man:

a. 10,000,000,000,000

b. 10,000,000,000

c. 10,000,000

d. 10,000

57 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Connective Lymphatic vessels

b. Arteries

c. Capillary

d. Veins

58 / 60

The vermilion border requires frequent moistening because?

a. It contains less number of sweat glands

b. It contains more of sweat glands

c. It contains more of sebaceous glands

d. It contains less number of sebaceous glands

59 / 60

Parakeratinized epithelium is found in:

a. Ventral surface of tongue.

b. Gingiva.

c. Floor of the mouth.

d. Vestibular fornix.

60 / 60

Hyperplasia គឺជា៖

a. Increase in size of an organ or tissue

b. Decrease in cell number of an organ

c. Decrease in size of an organ

d. Increase in cell number of an organ or tissue

Your score is

The average score is 92%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត