Oral Histology Test

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Oral Histology Test

1 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and submucosa

b. Lamina propria and submucosa

c. Epithelium and lamina propria

d. Epithelium and Bone

2 / 60

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

a. Submandibular gland

b. Sublingual gland

c. Parotid gland

d. All the answers in this question are incorrect

3 / 60

Striated duct is:

a. a duct from a system duct

b. a duct from a salivery gland

c. a duct from intercalated ducts

d. a duct from a submandibular gland

4 / 60

Which of the following is a transiant cell in the oral epithelium:

a. Melanocyte.

b. Langerhans cell.

c. Merkel cell.

d. Lymphocyte.

5 / 60

Vesicle គឺជា

a. ពងខ្ទុះ

b. ពងទឹកលាយខ្ទុះ

c. ពងទឹក

d. ពងទឹកលាយឈាម

6 / 60

Which of the following regions has a nonkeratinized epithelium and is loosely attached to the underlying structures?:

a. Vestibular fornix.

b. Attached gingiva.

c. Hard palate.

d. Buccal mucosa.

7 / 60

The p^H of whole saliva is :

a. 7.0 – 8.2

b. 6.7 – 7.4

c. 1.2 – 2.4

d. 3.0 – 5.6

8 / 60

All of the following is lined by stratified squamous epithelium except?

a. Tongue

b. Roof of the soft plate

c. Oropharynx

d. Lips

9 / 60

Cornified layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Parakeratinized epithelium

c. Nonkeratinized epithelium

d. Orthokeratinized epithelium

10 / 60

Endothelium and mesothelium form cellular membranes which have the same histologic structure as?

a. Simple squamous epithelium

b. Stratified squamous epithelium

c. Stratified cuboidal epithelium

d. Simple columnar epithelium

11 / 60

Tongue papillae responsible for bitter taste sensation:

a. Circumvallate papillae.

b. Foliate papillae.

c. Filliform papillae.

d. Fungiform papillae.

12 / 60

The basket cells are also known as :

a. Myoepithelial cells

b. All the answers in this question are incorrect

c. Endothelial cells

d. Parenchymal cells

13 / 60

Atrophy គឺជា៖

a. Lack of nutrition for cells

b. Acute inflammation

c. Chronic inflammation

d. Lack of oxygen for cells

14 / 60

Intermediate layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Keratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

15 / 60

Circumvallate papillae are supplied by?

a. Vagus

b. Hypoglossal nerve

c. Lingual nerve

d. Glossopharyngeal nerve

16 / 60

Superficial layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Parakeratinized epithelium

c. Keratinized epithelium

d. Nonkeratinized epithelium

17 / 60

Larges amount of saliva is produced by :

a. Submandibular glands

b. Von Ebner glands

c. Parotid glands

d. Sublingual glands

18 / 60

A disease that is transmitted from one person to another by contact is said to be:

a. Communicable

b. Occupational

c. Congenital

d. Chronic

19 / 60

Specialized cells stem from

a. Basal layer and prickle cell layer

b. Cornified layer

c. Granular layer

d. Basement membrane

20 / 60

The mucous membrane of cheek and lips?

a. It attached to orbicularis oris in lips

b. It attached to buccinators muscle in cheek

c. A and B are correct

d. All the answers in this question are incorrect

21 / 60

Technical term for bacteria that live on dead matter is:

a. Flagella

b. Saprophytes

c. Viruses

d. Parasites

22 / 60

Taste buds មិនមាននៅក្នុង៖

a. Filiform papillae

b. Foliate papillae

c. Fungiform papillae

d. Circumvallate papillae

23 / 60

Wharton’s duct is of:

a. Sub-lingual gland

b. Minor gland

c. Sub-mandibular gland

d. Parotide gland

24 / 60

The immunoglobulin present in saliva is :

a. IgM

b. IgA

c. IgG

d. IgE

25 / 60

The three laterally paired major salivary glands are located :

a. Intra orally

b. In neck

c. In tongue

d. Extra orally

26 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Wharton’s duct

c. Blandin’s duct

d. Stensen’s duct

27 / 60

Supporting cells of taste buds are called as?

a. Sustenticular cells

b. Taste cells

c. Von Ebner cells

d. Acini

28 / 60

Bartholin’s duct is the name of :

a. Lacrimal duct

b. Submandibular duct

c. Sublingual duct

d. Parotid duct

29 / 60

Hyperkeratosis is:

a. Increase in thickness of keratin layer or stratum corneum

b. Increase in size of keratin layer or stratum corneum

c. Increase in wideness of keratin layer or stratum corneum

d. Increase in longevity of keratin layer or stratum corneum

30 / 60

Granular cell myoblastoma of tongue is?

a. Developmental anomaly of the tongue.

b. Malignant tumor of the tongue

c. Benign tumor

d. Lymphatic enlargement of the tongue

31 / 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.

32 / 60

Stratum germinativum of the oral epithelium is the term given to?

a. Basal cells and parabasal spinous cslls

b. Granular cell layer

c. Spinous cells and granular cells

d. Basal cell layer

33 / 60

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

a. Circumvallate

b. Fungiform

c. Foliate

d. Filliform

34 / 60

Which of the following is not present in the stratum spinosum?:

a. Desmosomes.

b. Keratohyaline granules.

c. Odland's bodies.

d. Tonofilaments.

35 / 60

Excretory duct is

a. a duct from a sublimgual gland

b. a duct from a parotide gland

c. a duct from a striated ducts

d. a duct from a submandibular gland

36 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum granulosome cells

b. Destroying desmosome in stratum basal cells

c. Destroying desmosome in stratum spinosum cells

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

37 / 60

Disease in plant or animal tissue is caused by:

a. Acidophilus

b. Nonpathogenic bacteria

c. Saprophytes

d. Pathogenic bacteria

38 / 60

Which of the following conditions present as complete vesicle?

a. Dermatitis

b. Aphthous ulcer

c. Pyostomatitis

d. Pemphigus

39 / 60

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

a. Can migrate coronally.

b. Is impermeable to dyes and fluids.

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

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

40 / 60

A long with a sore throat and fever ,which of these can be a symptom of an adenoid infection:

a. All the answers in this question are correct

b. Ear infections that keep coming back

c. Snoring during sleep

d. Noisy breathing while a wake

e. Breathing mostly through the mouth, rather than through the nose

41 / 60

Long connective tissue papillae and keratinized epithelium are a feature of these parts of oral mucosa?

a. Buccal and alveolar mucosa

b. Hard and soft palate

c. Gingiva and alveolar mucosa

d. Hard palate and gingiva

42 / 60

The mushroom shaped papillae on the tongue are called:

a. Foliate

b. Circumvallate

c. Filliform

d. Fungiform

43 / 60

Keratohyaline granules are more evident in?

a. Para keratinized

b. Ortho keratinized

c. Keratinized

d. Non keratinized

44 / 60

Bulla

a. Vesicle

b. large pustule

c. large lesion

d. Large vesicles that are confluent

45 / 60

Bulla:

a. large lesion

b. Large vesicles that are confluent

c. large pustule

d. Vesicle

46 / 60

What is a secretory cell in oral cavity:

a. Cell producing histamine

b. Cell producing saliva

c. Cell producing hormone

d. Cell producing gastric acid

47 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

48 / 60

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

a. III

b. II

c. I

d. IV

49 / 60

The function of myoepithelial cells may be :

a. Support for the end piece during active secretion of saliva

b. All the answers in this question are correct

c. Initiating contraction

d. Provide signals to the acinar secretory cells for structural reorganization

50 / 60

The mode of attachment of the junctional epithelium is:

a. Basal lamina & hemidesmosome.

b. Odland's bodies.

c. Basement membrane.

d. Enamel cuticle.

51 / 60

Which one of the following epithelium is least common?

a. Transitional

b. Simple columnar

c. Pseudo stratified columnar ( ciliated )

d. Stratified columnar

52 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type I collagen

b. Type III collagen

c. Type I and II collagen

d. Type IV collagen

53 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Larynx

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Palate

54 / 60

Parakeratinized epithelium is found in:

a. Gingiva.

b. Floor of the mouth.

c. Vestibular fornix.

d. Ventral surface of tongue.

55 / 60

The sour taste come from:

a. All the answers in this question are incorrect

b. Amino acids

c. Sodium chloride

d. Citric acids

56 / 60

Keratohyalin is found in the?

a. Stratum granulosum

b. Stratum corneum

c. Hyalin cartilage

d. Stratum reticularis

57 / 60

The oral mucosa ចែកចេញជា:

a. ពីរស្រទាប់ epithelium and connective tissue

b. បួនស្រទាប់ epithelium, basal layer, connective tissue and corium

c. បីស្រទាប់ epithelium, connective tissue and lamina propria

d. បួនស្រទាប់ epithelium, connective tissue, lamina propria and corium

58 / 60

Most areas of oral mucosa are:

a. OrthoKeratiniezd stratified epithelium

b. Keratiniezd stratified epithelium

c. ParaKeratiniezd stratified epithelium

d. NonKeratiniezd stratified epithelium

59 / 60

Stratum granulosum is not present in?

a. Sulcular epithelium

b. Non keratinized epithelium

c. Hyper orthokeratosis

d. Hyper parakeratosis

60 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

c. នៅលើ Larynx

d. នៅលើ Palate

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត