Oral Histology Test

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Oral Histology Test

1 / 60

Stenon’s duct is of:

a. Sub-lingual gland

b. Sub-mandibular gland

c. Minor gland

d. Parotide gland

2 / 60

Myoepithelial cells are present in :

a. Serous cells

b. Intercalated duct and terminal duct

c. Mucous cells

d. Striate duct

3 / 60

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

a. Sublingual gland

b. Submandibular gland

c. Parotid gland

d. All the answers in this question are incorrect

4 / 60

The most common malignancy found in the oral cavity is :

a. Squamous cell carcinoma

b. Basal cell carcinoma

c. Transitional cell carcinoma

d. Adenocarcinoma

5 / 60

The total amount of saliva secreted by all the salivary glands about 5% is secreted by the:

a. Parotid gland

b. All the answers in this question are incorrect

c. Submandibular gland

d. Sublingual gland

6 / 60

The connective tissue of the gingiva is known as the?

a. Lamina dura

b. Dental cuticle

c. Lamina propria

d. Fibroblasts

7 / 60

Vesicle គឺជា

a. ពងទឹក

b. ពងទឹកលាយខ្ទុះ

c. ពងខ្ទុះ

d. ពងទឹកលាយឈាម

8 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type I and II collagen

b. Type IV collagen

c. Type I collagen

d. Type III collagen

9 / 60

The grooved- shaped papillae on the sides of the tongue are called:

a. Fungiform

b. Foliate

c. Circumvallate

d. Filliform

10 / 60

Which of the following are not usually found in the keratinocytes of the stratum spinosum of keratinized oral epithelium?:

a. Tonofibrils.

b. Keratohyaline granules.

c. Ribosomes.

d. Membrane coating granules.

11 / 60

In which area the connective tissue papillae are long & numerous?:

a. Alveolar mucosa.

b. Gingiva.

c. Floor of the mouth.

d. Buccal mucosa.

12 / 60

Keratohyaline granules in epithelial cells of keratinized mucosa are associated with:

a. Basal cell layer.

b. The tonofilaments.

c. Stratum granulosum.

d. Prickle cell layer.

13 / 60

Wharton’s duct is of:

a. Sub-lingual gland

b. Minor gland

c. Parotide gland

d. Sub-mandibular gland

14 / 60

Vesicle or Bullae of the mucous membrane or skin are seen in all the following except :

a. Herpes zoster

b. A granulocytosis

c. Pemphigus

d. Herpes simplex

15 / 60

Which of the following is true of the sulcular epithelium:

a. Has submucosa.

b. Contain connective tissue papillae.

c. Consists of keratinized epithelium.

d. Is nonkeratinized.

16 / 60

Tongue papillae responsible for bitter taste sensation:

a. Circumvallate papillae.

b. Filliform papillae.

c. Foliate papillae.

d. Fungiform papillae.

17 / 60

The buccal mucosa:

a. Is continuous with the gingival mucosa.

b. Has a keratinized epithelium.

c. It is firmly attached to the underlying tissues.

d. Has numerous connective tissue papillae.

18 / 60

Granular layer មាននៅក្នុងៈ

a. Para-keratinized epithelium

b. Keratinized, Para-keratinized and Ortho-keratinized epithelium

c. Non-keratinized epithelium

d. Keratinized epithelium

19 / 60

Keratohyaline granules are found in?

a. Stratum basale

b. Stratum spinosum

c. Stratum granulosum

d. Prickle cell layer

20 / 60

Bartholin’s duct drains the:

a. Sublingual gland

b. Submandibular gland

c. Parotid

d. Lacrimal gland

21 / 60

Soft palate is?

a. Looser anterior portion of the palate

b. Posterior pillar of tonsils

c. Looser posterior portion of the palate

d. Anterior pillar of tonsils

22 / 60

The total amount of saliva secreted by all the salivary glands about 60% is secreted by :

a. Parotid glands

b. Sublingual glands

c. All the answers in this question are incorrect

d. Submandibular glands

23 / 60

The floor of the mouth is lined by:

a. Linning mucosa loosely attached.

b. Masticatory mucosa.

c. Linning mucosa firmly attached.

d. Specialized mucosa.

24 / 60

Specialized cells stem from:

a. Cornified layer

b. Basement membrane

c. Basal layer and prickle cell layer

d. Granular layer

25 / 60

Vesicles or Bullae of the mucous membrane or skin are seen in all the following except?

a. A granulocytosis

b. Herpes zoster

c. Herpes simplex

d. Pemphigus

26 / 60

Excretory duct is

a. a duct from a submandibular gland

b. a duct from a parotide gland

c. a duct from a striated ducts

d. a duct from a sublimgual gland

27 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum basal cells

b. Destroying desmosome in stratum spinosum cells

c. Swelling in intracellular space destroying desmosome in stratum spinosum cells

d. Destroying desmosome in stratum granulosome cells

28 / 60

Bulla

a. Large vesicles that are confluent

b. large pustule

c. large lesion

d. Vesicle

29 / 60

Saliva is secreted by:

a. Major salivary glands

b. Major and minor salivary glands

c. Parotid glands

d. Minor salivary glands

30 / 60

The vermilion border requires frequent moistening because?

a. It contains less number of sebaceous glands

b. It contains less number of sweat glands

c. It contains more of sweat glands

d. It contains more of sebaceous glands

31 / 60

ចំពោះមនុស្សដែលមានសុខភាពល្អម្នាក់ lymph nodes ជាធម្មតា :

a. All the answers in this question are correct

b. Small

c. Soft

d. Free

32 / 60

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

a. Von Ebner

b. Submandibular and Parotid

c. Submandibular and Sublingual

d. Sublingual and Parotid

33 / 60

The most common benign tumor occurring in the oral cavity is the :

a. Papilloma

b. Adenoma

c. Hemangioma

d. Fibroma

34 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and Bone

c. Epithelium and lamina propria

d. Epithelium and submucosa

35 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and development of epithelial cells.

b. Abnormality of structure and development of epithelial cells.

c. Abnormality of migration and cells mitosis.

d. Abnormality of orientation and cells mitosis.

36 / 60

Inflammation of the lips is refered to as?

a. Glossitis migrican

b. Cheilitis

c. Vincent angina

d. Stomatitis

37 / 60

Von Ebner’s salivary gland is:

a. Minor gland

b. Sub-lingual gland

c. Parotide gland

d. Sub-mandibular gland

38 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Larynx

39 / 60

The mushroom shaped papillae on the tongue are called:

a. Foliate

b. Circumvallate

c. Filliform

d. Fungiform

40 / 60

Hyperplasia គឺជា៖

a. Decrease in size of an organ

b. Decrease in cell number of an organ

c. Increase in cell number of an organ or tissue

d. Increase in size of an organ or tissue

41 / 60

Which papillae are completely keratinized?

a. Foliate

b. Filliform

c. Fungiform

d. Circumvallate

42 / 60

Taste buds មិនមាននៅក្នុង៖

a. Foliate papillae

b. Circumvallate papillae

c. Filiform papillae

d. Fungiform papillae

43 / 60

Bacteria that cause disease are called:

a. Nonpathogenic

b. Protozoa

c. Pathogenic

d. Saprophytes

44 / 60

Submandibular gland is supplied by:

a. Lingual artery

b. Facial artery

c. Inferior alveolar artery

d. Submandibular artery

45 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Hyper parakeratosis

c. Hyper orthokeratosis

d. Sulcular epithelium

46 / 60

A sign of bacterial infection is:

a. Bleeding

b. Pus

c. Parasites

d. A cold

47 / 60

Bartholin’s duct is the name of :

a. Lacrimal duct

b. Submandibular duct

c. Sublingual duct

d. Parotid duct

48 / 60

Cornified layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Orthokeratinized epithelium

c. Keratinized epithelium

d. Nonkeratinized epithelium

49 / 60

The sweet taste come from:

a. Alcohols

b. Amino acids

c. All the answers in this question are correct

d. Sugars

50 / 60

Buccal mucosa is?

a. Para keratinized

b. Non- keratinized

c. Ortho keratinized

d. Keratinized

51 / 60

The humans, the lining epithelium of the esophagus is?

a. Transitional

b. Stratified squamous, non-keratinized

c. Stratified squamous, keratinized

d. Simple columnar

52 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and basement membrane.

b. Epithelium and basement membrane.

c. Mucosa & submucosa.

d. Epithelium, lamina propria and muscular layer.

53 / 60

Parasites are types of:

a. Pathogenic bacteria

b. Disease

c. Pathogenic virus

d. Nonpathogenic bacteria

54 / 60

Bulla:

a. Large vesicles that are confluent

b. large pustule

c. large lesion

d. Vesicle

55 / 60

Keratohyalin granules are present in

a. Cornified layer

b. Basement membrane

c. Basal layer and prickle cell layer

d. Granular layer and prickle cell layer

56 / 60

Tonsils are on the back of the throat.Where are the adenoids located:

a. All the answers in this question are incorrect

b. In the ears

c. Behind the nose and roof of the mouth

d. Under the tongue

57 / 60

The areas of the tongue with the most taste buds is the:

a. Top

b. Back

c. Underneath

d. Tip and sides

58 / 60

The three laterally paired major salivary glands are located :

a. In neck

b. Intra orally

c. Extra orally

d. In tongue

59 / 60

Function of acini is:

a. to produce saliva

b. to produce gastric acid

c. to produce histamine

d. to produce hormone

60 / 60

Which of the following is true of the attachment epithelium?:

a. Its apical migration is the major causative factor in active eruption.

b. Its coronal end is found at the bottom of the gingival sulcus.

c. Can migrate coronally.

d. Is impermeable to dyes and fluids.

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត