Oral Histology Test

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Oral Histology Test

1 / 60

The vermilion border requires frequent moistening because?

a. It contains more of sebaceous glands

b. It contains less number of sebaceous glands

c. It contains more of sweat glands

d. It contains less number of sweat glands

2 / 60

What is the end of an axon called:

a. Perikaryon

b. Terminal bouton

c. Ganglion

d. Astrocyte

3 / 60

Intercalated duct is :

a. a duct from a salivery gland

b. a duct from a paritide gland

c. a duct from acinus

d. a duct from a lumen

4 / 60

Most areas of oral mucosa are:

a. ParaKeratiniezd stratified epithelium

b. NonKeratiniezd stratified epithelium

c. OrthoKeratiniezd stratified epithelium

d. Keratiniezd stratified epithelium

5 / 60

Specialized cells stem from

a. Basal layer and prickle cell layer

b. Basement membrane

c. Granular layer

d. Cornified layer

6 / 60

Stenon’s duct is of:

a. Sub-mandibular gland

b. Sub-lingual gland

c. Parotide gland

d. Minor gland

7 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Arteries

b. Connective Lymphatic vessels

c. Veins

d. Capillary

8 / 60

Granular layer មាននៅក្នុងៈ

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

b. Keratinized epithelium

c. Para-keratinized epithelium

d. Non-keratinized epithelium

9 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type III collagen

b. Type I and II collagen

c. Type I collagen

d. Type IV collagen

10 / 60

Stratum granulosum is not present in?

a. Sulcular epithelium

b. Hyper orthokeratosis

c. Hyper parakeratosis

d. Non keratinized epithelium

11 / 60

Taste buds are not found on:

a. Foliate papillae.

b. Filliform papillae.

c. Circumvallate papillae.

d. Fungiform papillae.

12 / 60

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

a. Von Ebner

b. Sublingual and Parotid

c. Submandibular and Parotid

d. Submandibular and Sublingual

13 / 60

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

a. Dermoid cyst

b. Follicular cyst

c. Dentigerous cyst

d. Ranula

14 / 60

Superficial layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Keratinized epithelium

c. Nonkeratinized epithelium

d. Parakeratinized epithelium

15 / 60

Inflammation of the lips is refered to as?

a. Vincent angina

b. Glossitis migrican

c. Cheilitis

d. Stomatitis

16 / 60

Hypertrophy គឺជា៖

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

17 / 60

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

a. Alveolar mucosa.

b. Gingiva.

c. Floor of the mouth.

d. Buccal mucosa.

18 / 60

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

a. Granular cell layer

b. Spinous cells and granular cells

c. Basal cell layer

d. Basal cells and parabasal spinous cslls

19 / 60

The most common cell in connective tissue proper is the?

a. Lymphocyte

b. Macrophage

c. Mast cell

d. Fibroblast

20 / 60

Difference between the skin and mucosa of cheek is?

a. Thick lamina propria on skin of cheek

b. Thin lamina and non keratinized mucosa of cheek

c. Keratinized mucosa of cheek

d. Rete pegs

21 / 60

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

a. Roof of the soft plate

b. Tongue

c. Lips

d. Oropharynx

22 / 60

The thinnest epithelium of oral cavity is found in the?

a. Lingual gingiva

b. Sublingual mucosa (floor of mouth)

c. Oral surface of lip

d. Buccal gingiva

23 / 60

Which one of the following epithelium is least common?

a. Pseudo stratified columnar ( ciliated )

b. Transitional

c. Simple columnar

d. Stratified columnar

24 / 60

The taste buds are rubbed off and replaced every:

a. Year

b. 7-10 days

c. Day

d. 30 days

25 / 60

Basement membrane?

a. Consists of desmosomes and hemidesmosomes

b. Contains lamina lucida and lamina dura

c. Consists of lamina densa and lamina lucida

d. Consists lurati hyaline granules

26 / 60

Sublingual glands is a :

a. Mixed glands

b. Mucous gland

c. Present in root of the tongue

d. Serous gland

27 / 60

Wharton’s duct drains the:

a. Lacrimal gland

b. Pancreas

c. Parotid

d. Submandibular gland

28 / 60

Diskeratosis គឺជាៈ

a. Abnormality of migration and cells mitosis.

b. Abnormality of structure and development of epithelial cells.

c. Abnormality of orientation and development of epithelial cells.

d. Abnormality of orientation and cells mitosis.

29 / 60

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

a. Submandibular gland

b. All the answers in this question are incorrect

c. Sublingual gland

d. Parotid gland

30 / 60

Keratohyalin is found in the?

a. Stratum corneum

b. Hyalin cartilage

c. Stratum reticularis

d. Stratum granulosum

31 / 60

The humans, the lining epithelium of the esophagus is?

a. Simple columnar

b. Stratified squamous, non-keratinized

c. Transitional

d. Stratified squamous, keratinized

32 / 60

The most common malignancy found in the oral cavity is :

a. Adenocarcinoma

b. Transitional cell carcinoma

c. Basal cell carcinoma

d. Squamous cell carcinoma

33 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Larynx

c. នៅលើ Pharynx

d. នៅលើ Palate

34 / 60

Keratohyaline granules are found in?

a. Stratum spinosum

b. Stratum granulosum

c. Stratum basale

d. Prickle cell layer

35 / 60

Merkel cells are found in which of the following tissue?

a. Papillary layer of dermis

b. Hypodermis

c. Reticular of dermis

d. Epidermis

36 / 60

A node of Ranvier is?

a. A nerve receptor

b. A constriction of the axon

c. A junction between two schwann cells

d. Characteristic of unmyelinated fibers

37 / 60

Striated duct is:

a. a duct from a submandibular gland

b. a duct from a system duct

c. a duct from intercalated ducts

d. a duct from a salivery gland

38 / 60

B-cells ( lumphocytes ) can?

a. Secrete interferon

b. Give rise to plasma cells

c. Kill other cells

d. Suppress T-cells

39 / 60

The miner salivary glands begin their development in fetal life during :

a. 1st month

b. 4th month

c. 2nd month

d. 3rd month

40 / 60

Which papillae are completely keratinized?

a. Fungiform

b. Circumvallate

c. Foliate

d. Filliform

41 / 60

20 Which of the following contributes to the reddish coloration of the vermilion border?:

a. Thichness of oral epithelium.

b. Vascularity of the lamina propria.

c. Existance of high number of langerhans cells.

d. Epithelial keratinization.

42 / 60

Taste buds are in

a. Teeth

b. Soft palate

c. Hard palate

d. Tongue

43 / 60

Hyperplasia គឺជា៖

a. Decrease in size of an organ

b. Increase in cell number of an organ or tissue

c. Increase in size of an organ or tissue

d. Decrease in cell number of an organ

44 / 60

Function of acini is:

a. to produce saliva

b. to produce hormone

c. to produce gastric acid

d. to produce histamine

45 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Tubal tonsil

b. Pharyngeal tonsil

c. All are corrects

d. Palatine tonsils and Lingual tonsil

46 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Palate

c. នៅលើ Larynx

d. នៅលើ Pharynx

47 / 60

Which of the following is purely mucous :

a. Posterior lingual mucous glands

b. Palatine glands

c. Glossopalatine glands

d. All the answers in this question are correct

48 / 60

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

a. Plasma cell.

b. Fibroblast.

c. Osteoblasts.

d. Keratinocyte.

49 / 60

Specialized cells stem from:

a. Basal layer and prickle cell layer

b. Cornified layer

c. Granular layer

d. Basement membrane

50 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Larynx

51 / 60

The mode of attachment of the junctional epithelium is:

a. Odland's bodies.

b. Basement membrane.

c. Basal lamina & hemidesmosome.

d. Enamel cuticle.

52 / 60

The total volume of saliva secreted daily is :

a. 2 litres

b. 1.5 litres

c. 750 ml

d. 3 litres

53 / 60

Facial artery is the branch of the:

a. External carotid artery

b. Internal carotid artery

c. Superficial temporal

54 / 60

The high level clear cell present in the oral epithelium is?

a. Langerhans cell

b. Melanocyte

c. Lymphocyte

d. Merkel cell

55 / 60

The mucous membrane of cheek and lips?

a. It attached to buccinators muscle in cheek

b. A and B are correct

c. All the answers in this question are incorrect

d. It attached to orbicularis oris in lips

56 / 60

The mucosa of the dorsal surface of the tongue is:

a. Spesialized mucosa.

b. Linning mucosa.

c. Smooth surface.

d. Masticatory mucosa.

57 / 60

Healthy line is represented in:

a. Free gingival groove.

b. Mucogingival junction.

c. Junction of the palatine gingiva and the lateral surface of the palate.

d. Junction of the buccal and labial mucosa.

58 / 60

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

a. Communicable

b. Occupational

c. Chronic

d. Congenital

59 / 60

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

a. Circumvallate

b. Foliate

c. Fungiform

d. Filliform

60 / 60

Saliva is secreted by:

a. Major salivary glands

b. Parotid glands

c. Major and minor salivary glands

d. Minor salivary glands

Your score is

The average score is 84%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត