Oral Histology Test

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Oral Histology Test

1 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Proteins

b. ច្រោះ Glucose

c. ច្រោះ Lipids

d. ច្រោះ Toxic products

2 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Viruses

b. Cilia

c. Fungi

d. Bacteria

3 / 60

Taste buds are not found on:

a. Circumvallate papillae.

b. Fungiform papillae.

c. Filliform papillae.

d. Foliate papillae.

4 / 60

There are————— taste buds ,most of them on the tongue:

a. 100,000

b. 100

c. 10,000

d. 1,000

5 / 60

The most common cell in connective tissue proper is the?

a. Fibroblast

b. Macrophage

c. Mast cell

d. Lymphocyte

6 / 60

Specialized cells stem from:

a. Granular layer

b. Basement membrane

c. Cornified layer

d. Basal layer and prickle cell layer

7 / 60

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

a. Spinous cells and granular cells

b. Basal cells and parabasal spinous cslls

c. Basal cell layer

d. Granular cell layer

8 / 60

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

a. Fibroma

b. Papilloma

c. Adenoma

d. Hemangioma

9 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Tubal tonsil

b. Pharyngeal tonsil

c. All the answers in this question are correct

d. Palatine tonsils and Lingual tonsil

10 / 60

The thinnest epithelium of oral cavity is found in the?

a. Oral surface of lip

b. Buccal gingiva

c. Lingual gingiva

d. Sublingual mucosa (floor of mouth)

11 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Palate

c. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

d. នៅលើ Pharynx

12 / 60

Myoepithelial cell of an acini is:

a. kind of contractile cell on an acini

b. kind of cell in a heart

c. kind of cell in a salivery gland

d. kind of cell in a tonsil

13 / 60

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

a. Submandibular gland

b. Parotid gland

c. Sublingual gland

d. All the answers in this question are incorrect

14 / 60

The mushroom shaped papillae on the tongue are called:

a. Fungiform

b. Filliform

c. Circumvallate

d. Foliate

15 / 60

Taste buds are in

a. Soft palate

b. Tongue

c. Hard palate

d. Teeth

16 / 60

Specialized cells stem from

a. Basement membrane

b. Cornified layer

c. Basal layer and prickle cell layer

d. Granular layer

17 / 60

Sublingual glands is a :

a. Present in root of the tongue

b. Mixed glands

c. Mucous gland

d. Serous gland

18 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

c. នៅលើ Larynx

d. នៅលើ Palate

19 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type IV collagen

b. Type I collagen

c. Type I and II collagen

d. Type III collagen

20 / 60

Bartholin’s duct is of:

a. Sub-mandibular gland

b. Sub-lingual gland

c. Parotide gland

d. Minor gland

21 / 60

The mode of attachment of the junctional epithelium is:

a. Odland's bodies.

b. Basal lamina & hemidesmosome.

c. Basement membrane.

d. Enamel cuticle.

22 / 60

The buccal mucosa:

a. Has a keratinized epithelium.

b. It is firmly attached to the underlying tissues.

c. Has numerous connective tissue papillae.

d. Is continuous with the gingival mucosa.

23 / 60

Labial and buccal miner salivary glands are:

a. Mixed

b. Purely mucous

c. Purely serous

d. All the answers in this question are incorrect

24 / 60

Vesicle គឺជា

a. ពងទឹកលាយខ្ទុះ

b. ពងខ្ទុះ

c. ពងទឹកលាយឈាម

d. ពងទឹក

25 / 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

26 / 60

What is a secretory cell in oral cavity:

a. Cell producing hormone

b. Cell producing saliva

c. Cell producing gastric acid

d. Cell producing histamine

27 / 60

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

a. Tonofilaments.

b. Desmosomes.

c. Odland's bodies.

d. Keratohyaline granules.

28 / 60

Non keratinized epithelium is found over?

a. Attached gingiva

b. Gingival sulcus

c. Interdental papilla

d. Free gingiva

29 / 60

Basement membrane នៅចន្លោះ

a. Epithelium and submucosa

b. Lamina propria and submucosa

c. Epithelium and lamina propria

d. Epithelium and Bone

30 / 60

Granular layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Para-keratinized epithelium

c. Non-keratinized epithelium

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

31 / 60

The somatic nervous system is part of the:

a. Sympathetic nervous system

b. Autonomic nervous system

c. Parasympathetic nervous system

d. All the answers in this question are incorrect

32 / 60

Hyperkeratosis is:

a. Increase in longevity of keratin layer or stratum corneum

b. Increase in thickness of keratin layer or stratum corneum

c. Increase in wideness of keratin layer or stratum corneum

d. Increase in size of keratin layer or stratum corneum

33 / 60

Which of the following is true of the sulcular epithelium:

a. Consists of keratinized epithelium.

b. Contain connective tissue papillae.

c. Is nonkeratinized.

d. Has submucosa.

34 / 60

The sweet taste come from:

a. Amino acids

b. Sugars

c. Alcohols

d. All the answers in this question are correct

35 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Palatine tonsils and Lingual tonsil

b. Pharyngeal tonsil

c. All are corrects

d. Tubal tonsil

36 / 60

Intermediate layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Keratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

37 / 60

Taste buds are in :

a. Hard palate

b. Soft palate

c. Tongue

d. Teeth

38 / 60

Which these may be a symptom of tonsillitis:

a. All the answers in this question are correct

b. Fever

c. Swollen lymph nodes in the neck

d. Bad breath

e. Sore throat

39 / 60

Atrophy is?

a. Acute inflammation

b. Lack of nutrition for cells

c. Lack of oxygen for cells

d. Chronic inflammation

40 / 60

Which of the following is a wrong statement about the dentogingival junction:

a. It has an epithelial and a connective tissue component.

b. Its epithelial cells are keratinized stratified squamous.

c. Its coronal end corresponds to the bottom of the gingival sulcus.

d. It shifts apically with age.

41 / 60

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

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

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

c. Can migrate coronally.

d. Is impermeable to dyes and fluids.

42 / 60

The mucous membrane of cheek and lips?

a. All the answers in this question are incorrect

b. A and B are correct

c. It attached to orbicularis oris in lips

d. It attached to buccinators muscle in cheek

43 / 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.

44 / 60

Healthy line is represented in:

a. Free gingival groove.

b. Mucogingival junction.

c. Junction of the buccal and labial mucosa.

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

45 / 60

The normal P^Hof saliva is about :

a. 9.5

b. 5.5

c. 8.5

d. 7.5

46 / 60

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

a. Melanocyte

b. Langerhans cell

c. Lymphocyte

d. Merkel cell

47 / 60

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

a. Epithelial keratinization.

b. Thichness of oral epithelium.

c. Vascularity of the lamina propria.

d. Existance of high number of langerhans cells.

48 / 60

Most cases of tonsillitis occur in which age group:

a. 40 to 65

b. 11 to 21

c. 21 to 40

d. 10 and under

49 / 60

When do tonsils or adenoids need to be removed:

a. All the answers in this question are incorrect

b. When a child is 10 years old

c. When a child is 5 years old

d. When a child is having learning problems

50 / 60

A node of Ranvier is?

a. Characteristic of unmyelinated fibers

b. A nerve receptor

c. A constriction of the axon

d. A junction between two schwann cells

51 / 60

The taste buds are rubbed off and replaced every:

a. Year

b. 30 days

c. Day

d. 7-10 days

52 / 60

What is the end of an axon called:

a. Ganglion

b. Terminal bouton

c. Perikaryon

d. Astrocyte

53 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Free gingiva.

b. Palatal mucosa.

c. Mucosa of the floor of the mouth.

d. Attached gingiva.

54 / 60

Myoepithelial cells are present in :

a. Striate duct

b. Mucous cells

c. Serous cells

d. Intercalated duct and terminal duct

55 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Palate

b. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

c. នៅលើ Larynx

d. នៅលើ Pharynx

56 / 60

Lumen is:

a. a central opening of a gland

b. a central opening of an oral cavity

c. a central opening of a tooth

d. a cental opening of an acini

57 / 60

The connective tissue of the gingiva is known as the?

a. Fibroblasts

b. Lamina propria

c. Lamina dura

d. Dental cuticle

58 / 60

The oral mucosa ចែកចេញជា:

a. ពីរស្រទាប់ epithelium and connective tissue

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

c. បីស្រទាប់ epithelium, connective tissue and lamina propria

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

59 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. It does not contain basal lamina.

b. No tonofilaments are found in it.

c. It contains granular cell layer.

d. Contain a higher glycogen content.

60 / 60

Buccal mucosa is?

a. Non- keratinized

b. Ortho keratinized

c. Para keratinized

d. Keratinized

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត