Oral Histology Test

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Oral Histology Test

1 / 60

A sign of bacterial infection is:

a. Bleeding

b. Parasites

c. A cold

d. Pus

2 / 60

Epithelium of oral mucous membrane is?

a. Keratinized

b. Non keratinized

c. Only parakeratinized

d. Ortho,Para and nonkeratinized

3 / 60

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

a. Submandibular and Parotid

b. Submandibular and Sublingual

c. Sublingual and Parotid

d. Von Ebner

4 / 60

Intermediate layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Nonkeratinized epithelium

c. Parakeratinized epithelium

d. Keratinized epithelium

5 / 60

B-cells ( lumphocytes ) can?

a. Kill other cells

b. Secrete interferon

c. Give rise to plasma cells

d. Suppress T-cells

6 / 60

Myoepithelial cells are present in :

a. Intercalated duct and terminal duct

b. Serous cells

c. Striate duct

d. Mucous cells

7 / 60

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

a. Hard palate and gingiva

b. Buccal and alveolar mucosa

c. Gingiva and alveolar mucosa

d. Hard and soft palate

8 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. នៅលើ Palate

9 / 60

Tongue papillae responsible for bitter taste sensation:

a. Circumvallate papillae.

b. Foliate papillae.

c. Filliform papillae.

d. Fungiform papillae.

10 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Attached gingiva.

b. Palatal mucosa.

c. Mucosa of the floor of the mouth.

d. Free gingiva.

11 / 60

Superficial layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Keratinized epithelium

c. Parakeratinized epithelium

d. Orthokeratinized epithelium

12 / 60

Parakeratinized epithelium is found in:

a. Floor of the mouth.

b. Ventral surface of tongue.

c. Gingiva.

d. Vestibular fornix.

13 / 60

Wharton’s duct is of:

a. Sub-lingual gland

b. Parotide gland

c. Minor gland

d. Sub-mandibular gland

14 / 60

Which of the following is not found in saliva :

a. Phosphate

b. Lysozyme

c. Bicarbonate

d. Triypsine

15 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and Bone

c. Epithelium and submucosa

d. Epithelium and lamina propria

16 / 60

Granular cell myoblastoma of tongue is?

a. Malignant tumor of the tongue

b. Developmental anomaly of the tongue.

c. Benign tumor

d. Lymphatic enlargement of the tongue

17 / 60

The total volume of saliva secreted daily is :

a. 3 litres

b. 2 litres

c. 750 ml

d. 1.5 litres

18 / 60

Lumen is:

a. a cental opening of an acini

b. a central opening of a gland

c. a central opening of a tooth

d. a central opening of an oral cavity

19 / 60

Specialized cells migrate

a. to lamina propria

b. to the upper layers

c. to basement membrane

d. to the lower layer

20 / 60

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

a. All the answers in this question are incorrect

b. Submandibular glands

c. Sublingual glands

d. Parotid glands

21 / 60

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

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

b. Is impermeable to dyes and fluids.

c. Can migrate coronally.

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

22 / 60

The thinnest epithelium of oral cavity is found in the?

a. Lingual gingiva

b. Oral surface of lip

c. Sublingual mucosa (floor of mouth)

d. Buccal gingiva

23 / 60

Myoepithelial cell of an acini is:

a. kind of cell in a tonsil

b. kind of cell in a salivery gland

c. kind of cell in a heart

d. kind of contractile cell on an acini

24 / 60

The floor of the mouth is lined by:

a. Masticatory mucosa.

b. Linning mucosa firmly attached.

c. Linning mucosa loosely attached.

d. Specialized mucosa.

25 / 60

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

a. All the answers in this question are incorrect

b. Behind the nose and roof of the mouth

c. In the ears

d. Under the tongue

26 / 60

How many neurones are in the body of man:

a. 10,000

b. 10,000,000

c. 10,000,000,000,000

d. 10,000,000,000

27 / 60

When do tonsils or adenoids need to be removed:

a. When a child is 10 years old

b. When a child is 5 years old

c. When a child is having learning problems

d. All the answers in this question are incorrect

28 / 60

The parotid gland opens :

a. At the caruncular

b. At the side of the lingual frenum

c. On the buccal mucosa opposite the maxillary second molar

d. On the floor of the mouth

29 / 60

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

a. Fungiform

b. Foliate

c. Filliform

d. Circumvallate

30 / 60

Masticatory mucosa is?

a. Sub keratinized

b. Ortho keratinized

c. Para keratinized

d. Non keratinized

31 / 60

A node of Ranvier is?

a. A junction between two schwann cells

b. A constriction of the axon

c. A nerve receptor

d. Characteristic of unmyelinated fibers

32 / 60

Which one of the following epithelium is least common?

a. Pseudo stratified columnar ( ciliated )

b. Stratified columnar

c. Simple columnar

d. Transitional

33 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Proteins

b. ច្រោះ Toxic products

c. ច្រោះ Glucose

d. ច្រោះ Lipids

34 / 60

Soft palate is?

a. Looser posterior portion of the palate

b. Looser anterior portion of the palate

c. Posterior pillar of tonsils

d. Anterior pillar of tonsils

35 / 60

Atrophy គឺជា៖

a. Chronic inflammation

b. Acute inflammation

c. Lack of oxygen for cells

d. Lack of nutrition for cells

36 / 60

The most important indication of malignant lesion is?

a. Paresthesia

b. Teeth movement

c. Pain

d. Tooth resorption

37 / 60

Granular layer មាននៅក្នុងៈ

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

b. Keratinized epithelium

c. Non-keratinized epithelium

d. Para-keratinized epithelium

38 / 60

Keratohyaline granules are more evident in?

a. Non keratinized

b. Keratinized

c. Ortho keratinized

d. Para keratinized

39 / 60

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

a. Submandibular gland

b. All the answers in this question are incorrect

c. Parotid gland

d. Sublingual gland

40 / 60

Which of the following serves as a source of the cells which form the attachment epithelium?:

a. Vestibular lamina.

b. Dental sac.

c. Reduced enamel epithelium & gingiva.

d. Enamel cuticle.

41 / 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

42 / 60

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

a. Herpes zoster

b. Herpes simplex

c. Pemphigus

d. A granulocytosis

43 / 60

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

a. Papilloma

b. Fibroma

c. Adenoma

d. Hemangioma

44 / 60

A cyst occurring under the tongue caused by obstruction of salivary gland duct is called a?

a. Ranula

b. Dentigerous cyst

c. Follicular cyst

d. Dermiod cyst

45 / 60

Which of the following is found in the cerebellum:

a. Schwann cells

b. Basket cells

c. Neuroglia

d. Ganglion

46 / 60

Taste buds មិនមាននៅក្នុង:

a. Fungiform papillae

b. Filiform papillae

c. Foliate papillae

d. Circumvallate papillae

47 / 60

Which papillae are completely keratinized?

a. Fungiform

b. Circumvallate

c. Foliate

d. Filliform

48 / 60

The mode of attachment of the junctional epithelium is:

a. Basement membrane.

b. Odland's bodies.

c. Basal lamina & hemidesmosome.

d. Enamel cuticle.

49 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

c. នៅលើ Palate

d. នៅលើ Larynx

50 / 60

The basket cells are also known as :

a. All the answers in this question are incorrect

b. Parenchymal cells

c. Endothelial cells

d. Myoepithelial cells

51 / 60

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

a. A hard shell

b. A sticky top

c. All the answers in this question are correct

d. Tiny hairs

52 / 60

Which of the following conditions present as complete vesicle?

a. Aphthous ulcer

b. Pemphigus

c. Dermatitis

d. Pyostomatitis

53 / 60

Which of the following represents the correct innervation of fungiform papilla?:

a. Trigeminal nerve.

b. Glossopharyngeal nerve.

c. Chorda tympani.

d. Facial nerve.

54 / 60

Most areas of oral mucosa are:

a. Keratiniezd stratified epithelium

b. OrthoKeratiniezd stratified epithelium

c. NonKeratiniezd stratified epithelium

d. ParaKeratiniezd stratified epithelium

55 / 60

Bartholin’s duct is the name of :

a. Submandibular duct

b. Parotid duct

c. Sublingual duct

d. Lacrimal duct

56 / 60

Glands are classified based on?

a. Their secretory product

b. Made of secretion

c. All the answers in this question are correct

d. Branching pattern of the ducts

57 / 60

Von Ebner’s salivary gland is:

a. Minor gland

b. Parotide gland

c. Sub-mandibular gland

d. Sub-lingual gland

58 / 60

Specialized cells stem from

a. Basement membrane

b. Cornified layer

c. Granular layer

d. Basal layer and prickle cell layer

59 / 60

Basement membrane?

a. Consists of lamina densa and lamina lucida

b. Consists of desmosomes and hemidesmosomes

c. Consists lurati hyaline granules

d. Contains lamina lucida and lamina dura

60 / 60

Which these is a common problem with tonsils:

a. They can become infected themselves

b. They become swollen and They can become infected themselves

c. They become swollen

d. They make an infection worse

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត