Oral Histology Test

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Oral Histology Test

1 / 60

Superficial layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Nonkeratinized epithelium

c. Orthokeratinized epithelium

d. Keratinized epithelium

2 / 60

Hypertrophy គឺជា៖

a. Decrease in cell number of an organ

b. Increase in cell number of an organ

c. Decrease in size of an organ

d. Increase in size of an organ

3 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and Bone

b. Epithelium and lamina propria

c. Epithelium and submucosa

d. Lamina propria and submucosa

4 / 60

The mode of attachment of the junctional epithelium is:

a. Basal lamina & hemidesmosome.

b. Enamel cuticle.

c. Basement membrane.

d. Odland's bodies.

5 / 60

Which of the following appears to play an important role in attachment of its cells:

a. Keratohyaline granules.

b. Glycogen contents.

c. Lysosomes.

d. Desmosomes.

6 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Palatine tonsils and Lingual tonsil

b. Tubal tonsil

c. Pharyngeal tonsil

d. All are corrects

7 / 60

B-cells ( lumphocytes ) can?

a. Secrete interferon

b. Kill other cells

c. Give rise to plasma cells

d. Suppress T-cells

8 / 60

The mucogingival junction is the junction of:

a. Sulcular epithelium & free gingiva.

b. Alveolar mucosa and attached gingiva.

c. Sulcular epithelium & free gingiva.

d. Palatine gingival & rougae zone.

9 / 60

Saliva is secreted by:

a. Major salivary glands

b. Parotid glands

c. Major and minor salivary glands

d. Minor salivary glands

10 / 60

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

a. Adenoma

b. Fibroma

c. Papilloma

d. Hemangioma

11 / 60

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

a. Fibroblast.

b. Plasma cell.

c. Osteoblasts.

d. Keratinocyte.

12 / 60

Secialized cells migrate:

a. to basement membrane

b. to lamina propria

c. to the lower layer

d. to the upper layers

13 / 60

ចំពោះមនុស្សដែលមានសុខភាពល្អម្នាក់ lymph nodes ជាធម្មតា :

a. Soft

b. Free

c. Small

d. All the answers in this question are correct

14 / 60

Non keratinized epithelium is found over?

a. Interdental papilla

b. Free gingiva

c. Attached gingiva

d. Gingival sulcus

15 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Palate

c. នៅលើ Larynx

d. នៅលើ Pharynx

16 / 60

Stenon’s duct is of:

a. Minor gland

b. Sub-mandibular gland

c. Parotide gland

d. Sub-lingual gland

17 / 60

Displasia គឺជា៖

a. Disorder of cell structure formation

b. Disorder of cell in migration

c. Disorder of cell in mitosis

d. Disorder of cell distribution

18 / 60

The connective tissue of the gingiva is known as the?

a. Lamina propria

b. Fibroblasts

c. Dental cuticle

d. Lamina dura

19 / 60

Specialized cells stem from:

a. Basal layer and prickle cell layer

b. Cornified layer

c. Granular layer

d. Basement membrane

20 / 60

Which of the following papillae of the tongue do not contain taste buds:

a. Filliform.

b. Foliate.

c. Vallate.

d. Fungiform.

21 / 60

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

a. Tip and sides

b. Back

c. Underneath

d. Top

22 / 60

Striated duct is:

a. a duct from a submandibular gland

b. a duct from a salivery gland

c. a duct from a system duct

d. a duct from intercalated ducts

23 / 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

24 / 60

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

a. 4th month

b. 1st month

c. 2nd month

d. 3rd month

25 / 60

Inflammation of the lips is refered to as?

a. Cheilitis

b. Glossitis migrican

c. Stomatitis

d. Vincent angina

26 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

c. នៅលើ Larynx

d. នៅលើ Palate

27 / 60

Basement membrane?

a. Contains lamina lucida and lamina dura

b. Consists lurati hyaline granules

c. Consists of lamina densa and lamina lucida

d. Consists of desmosomes and hemidesmosomes

28 / 60

Diskeratosis គឺជាៈ

a. Abnormality of migration and cells mitosis.

b. Abnormality of orientation and development of epithelial cells.

c. Abnormality of structure and development of epithelial cells.

d. Abnormality of orientation and cells mitosis.

29 / 60

Labial and buccal miner salivary glands are:

a. All the answers in this question are incorrect

b. Purely serous

c. Purely mucous

d. Mixed

30 / 60

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

a. Langerhans cell

b. Merkel cell

c. Lymphocyte

d. Melanocyte

31 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type I collagen

b. Type I and II collagen

c. Type IV collagen

d. Type III collagen

32 / 60

The mucous membrane of cheek and lips?

a. It attached to orbicularis oris in lips

b. A and B are correct

c. It attached to buccinators muscle in cheek

d. All the answers in this question are incorrect

33 / 60

How many neurones are in the body of man:

a. 10,000,000,000

b. 10,000,000

c. 10,000

d. 10,000,000,000,000

34 / 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

35 / 60

Bulla

a. large lesion

b. Large vesicles that are confluent

c. Vesicle

d. large pustule

36 / 60

The structure of the oral mucosa is:

a. Epithelium and basement membrane.

b. Epithelium, lamina propria and muscular layer.

c. Mucosa & submucosa.

d. Epithelium, lamina propria and basement membrane.

37 / 60

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

a. Sublingual gland

b. All the answers in this question are incorrect

c. Submandibular gland

d. Parotid gland

38 / 60

Facial artery is the branch of the:

a. External carotid artery

b. Internal carotid artery

c. Superficial temporal

39 / 60

Submandibular gland is supplied by:

a. Inferior alveolar artery

b. Lingual artery

c. Submandibular artery

d. Facial artery

40 / 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. Parotid glands

c. Sublingual glands

d. Submandibular glands

41 / 60

Technical term for bacteria that live on dead matter is:

a. Parasites

b. Saprophytes

c. Viruses

d. Flagella

42 / 60

Granular cell tumors of the adult is commonly seen on?

a. Lower lip

b. Gingiva

c. Tongue

d. Upper lip

43 / 60

The normal P^Hof saliva is about :

a. 7.5

b. 8.5

c. 5.5

d. 9.5

44 / 60

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

a. Reduced enamel epithelium & gingiva.

b. Dental sac.

c. Enamel cuticle.

d. Vestibular lamina.

45 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Connective Lymphatic vessels

b. Arteries

c. Veins

d. Capillary

46 / 60

Myoepithelial cell of an acini is:

a. kind of contractile cell on an acini

b. kind of cell in a tonsil

c. kind of cell in a heart

d. kind of cell in a salivery gland

47 / 60

When do tonsils or adenoids need to be removed:

a. When a child is 10 years old

b. All the answers in this question are incorrect

c. When a child is 5 years old

d. When a child is having learning problems

48 / 60

The thinnest epithelium of oral cavity is found in the?

a. Buccal gingiva

b. Oral surface of lip

c. Sublingual mucosa (floor of mouth)

d. Lingual gingiva

49 / 60

The floor of the mouth is lined by:

a. Specialized mucosa.

b. Linning mucosa loosely attached.

c. Masticatory mucosa.

d. Linning mucosa firmly attached.

50 / 60

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

a. Snoring during sleep

b. All the answers in this question are correct

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

d. Ear infections that keep coming back

e. Noisy breathing while a wake

51 / 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

52 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Mucosa of the floor of the mouth.

b. Free gingiva.

c. Palatal mucosa.

d. Attached gingiva.

53 / 60

Cornified layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Orthokeratinized epithelium

c. Parakeratinized epithelium

d. Keratinized epithelium

54 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Viruses

b. Bacteria

c. Fungi

d. Cilia

55 / 60

Sublingual glands is a :

a. Mucous gland

b. Mixed glands

c. Present in root of the tongue

d. Serous gland

56 / 60

Taste buds are in

a. Soft palate

b. Tongue

c. Hard palate

d. Teeth

57 / 60

Soft palate is?

a. Anterior pillar of tonsils

b. Looser anterior portion of the palate

c. Looser posterior portion of the palate

d. Posterior pillar of tonsils

58 / 60

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

a. Hard and soft palate

b. Gingiva and alveolar mucosa

c. Buccal and alveolar mucosa

d. Hard palate and gingiva

59 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Larynx

60 / 60

Taste buds are in :

a. Hard palate

b. Soft palate

c. Tongue

d. Teeth

Your score is

The average score is 92%

Any comments?

Any problems/errors or mistakes found while testing, please let us know for modification!

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត