Oral Histology Test

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Oral Histology Test

1 / 60

Superficial layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Parakeratinized epithelium

c. Keratinized epithelium

d. Nonkeratinized epithelium

2 / 60

Soft palate is?

a. Posterior pillar of tonsils

b. Looser anterior portion of the palate

c. Anterior pillar of tonsils

d. Looser posterior portion of the palate

3 / 60

Von Ebner’s salivary gland is:

a. Sub-lingual gland

b. Parotide gland

c. Sub-mandibular gland

d. Minor gland

4 / 60

The most important indication of malignant lesion is?

a. Teeth movement

b. Paresthesia

c. Tooth resorption

d. Pain

5 / 60

Which of the following is true regarding the dentogingival junction?:

a. It moves occlusally with age.

b. It is derived entirely from ectomesenchyme.

c. It moves apically with age.

d. Contains clear submucosa.

6 / 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.

7 / 60

Which papillae are completely keratinized?

a. Foliate

b. Fungiform

c. Circumvallate

d. Filliform

8 / 60

The thinnest epithelium of oral cavity is found in the?

a. Lingual gingiva

b. Sublingual mucosa (floor of mouth)

c. Buccal gingiva

d. Oral surface of lip

9 / 60

Taste buds are not found on:

a. Foliate papillae.

b. Filliform papillae.

c. Fungiform papillae.

d. Circumvallate papillae.

10 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

11 / 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

12 / 60

Specialized cells stem from:

a. Basement membrane

b. Basal layer and prickle cell layer

c. Cornified layer

d. Granular layer

13 / 60

The oral mucosa ចែកចេញជា:

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

b. ពីរស្រទាប់ epithelium and connective tissue

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

d. បីស្រទាប់ epithelium, connective tissue and lamina propria

14 / 60

Inflammation of the lips is refered to as?

a. Stomatitis

b. Vincent angina

c. Glossitis migrican

d. Cheilitis

15 / 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

16 / 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. Rete pegs

d. Keratinized mucosa of cheek

17 / 60

Which these may be a symptom of tonsillitis:

a. Bad breath

b. Sore throat

c. Fever

d. All the answers in this question are correct

e. Swollen lymph nodes in the neck

18 / 60

Hypertrophy is?

a. Decrease in cell number of an organ

b. Increase in size of an organ

c. Increase in cell number of an organ

d. Decrease in size of an organ

19 / 60

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

a. Tiny hairs

b. A hard shell

c. A sticky top

d. All the answers in this question are correct

20 / 60

Intercalated duct is :

a. a duct from a lumen

b. a duct from a salivery gland

c. a duct from acinus

d. a duct from a paritide gland

21 / 60

Vesicle or Bullae of the mucous membrane or skin are seen in all the following except :

a. Herpes simplex

b. A granulocytosis

c. Herpes zoster

d. Pemphigus

22 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Toxic products

b. ច្រោះ Proteins

c. ច្រោះ Glucose

d. ច្រោះ Lipids

23 / 60

The sweet taste come from:

a. Sugars

b. Amino acids

c. Alcohols

d. All the answers in this question are correct

24 / 60

Secialized cells migrate:

a. to the lower layer

b. to lamina propria

c. to basement membrane

d. to the upper layers

25 / 60

The buccal mucosa:

a. It is firmly attached to the underlying tissues.

b. Has numerous connective tissue papillae.

c. Has a keratinized epithelium.

d. Is continuous with the gingival mucosa.

26 / 60

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

a. Hard palate and gingiva

b. Gingiva and alveolar mucosa

c. Buccal and alveolar mucosa

d. Hard and soft palate

27 / 60

The most common cell in connective tissue proper is the?

a. Fibroblast

b. Mast cell

c. Macrophage

d. Lymphocyte

28 / 60

Bartholin’s duct is the name of :

a. Submandibular duct

b. Lacrimal duct

c. Sublingual duct

d. Parotid duct

29 / 60

Atrophy គឺជា៖

a. Lack of oxygen for cells

b. Chronic inflammation

c. Acute inflammation

d. Lack of nutrition for cells

30 / 60

The p^H of whole saliva is :

a. 3.0 – 5.6

b. 1.2 – 2.4

c. 7.0 – 8.2

d. 6.7 – 7.4

31 / 60

What is a secretory cell in oral cavity:

a. Cell producing gastric acid

b. Cell producing hormone

c. Cell producing saliva

d. Cell producing histamine

32 / 60

The gland’s present in between the muscle fibres of the tongue below vallate papillae are:

a. Sublingual gland

b. Lacrimal gland

c. Submandibular gland

d. Von Ebner’s gland

33 / 60

Diskeratosis is?

a. Chronic inflammation

b. Acute inflammation

c. Precancerous state

d. Increasing in the number of cells

34 / 60

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

a. Glycogen contents.

b. Keratohyaline granules.

c. Lysosomes.

d. Desmosomes.

35 / 60

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

a. Sublingual and Parotid

b. Von Ebner

c. Submandibular and Sublingual

d. Submandibular and Parotid

36 / 60

B-cells ( lumphocytes ) can?

a. Kill other cells

b. Secrete interferon

c. Give rise to plasma cells

d. Suppress T-cells

37 / 60

Bulla:

a. Vesicle

b. large pustule

c. Large vesicles that are confluent

d. large lesion

38 / 60

The humans, the lining epithelium of the esophagus is?

a. Simple columnar

b. Stratified squamous, keratinized

c. Transitional

d. Stratified squamous, non-keratinized

39 / 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

40 / 60

Hyperplasia គឺជា៖

a. Decrease in cell number of an organ

b. Increase in size of an organ or tissue

c. Increase in cell number of an organ or tissue

d. Decrease in size of an organ

41 / 60

The sour taste come from:

a. Amino acids

b. Sodium chloride

c. All the answers in this question are incorrect

d. Citric acids

42 / 60

Basement membrane នៅចន្លោះ

a. Epithelium and lamina propria

b. Epithelium and submucosa

c. Epithelium and Bone

d. Lamina propria and submucosa

43 / 60

Technical term for bacteria that live on dead matter is:

a. Parasites

b. Saprophytes

c. Flagella

d. Viruses

44 / 60

Keratohyaline granules are found in?

a. Prickle cell layer

b. Stratum granulosum

c. Stratum basale

d. Stratum spinosum

45 / 60

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

a. Alveolar mucosa.

b. Buccal mucosa.

c. Floor of the mouth.

d. Gingiva.

46 / 60

What do your tonsils and adenoids do:

a. They are part of your immune system

b. They don’t do anything

c. All the answers in this question are incorrect

d. They help your nose with the sense of smell

47 / 60

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

a. Tongue

b. Roof of the soft plate

c. Oropharynx

d. Lips

48 / 60

Healthy line is represented in:

a. Free gingival groove.

b. Junction of the buccal and labial mucosa.

c. Mucogingival junction.

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

49 / 60

Labial and buccal miner salivary glands are:

a. All the answers in this question are incorrect

b. Purely mucous

c. Purely serous

d. Mixed

50 / 60

Basement membrane?

a. Consists lurati hyaline granules

b. Contains lamina lucida and lamina dura

c. Consists of desmosomes and hemidesmosomes

d. Consists of lamina densa and lamina lucida

51 / 60

The basket cells are also known as :

a. Parenchymal cells

b. All the answers in this question are incorrect

c. Endothelial cells

d. Myoepithelial cells

52 / 60

Submandibular gland is supplied by:

a. Lingual artery

b. Submandibular artery

c. Inferior alveolar artery

d. Facial artery

53 / 60

Which of the following is true of the sulcular epithelium:

a. Has submucosa.

b. Is nonkeratinized.

c. Contain connective tissue papillae.

d. Consists of keratinized epithelium.

54 / 60

The function of myoepithelial cells may be :

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

b. Initiating contraction

c. All the answers in this question are correct

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

55 / 60

Function of acini is:

a. to produce histamine

b. to produce gastric acid

c. to produce hormone

d. to produce saliva

56 / 60

Facial artery is the branch of the:

a. External carotid artery

b. Internal carotid artery

c. Superficial temporal

57 / 60

When do tonsils or adenoids need to be removed:

a. When a child is having learning problems

b. All the answers in this question are incorrect

c. When a child is 10 years old

d. When a child is 5 years old

58 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Viruses

b. Fungi

c. Bacteria

d. Cilia

59 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Larynx

60 / 60

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

a. Melanocyte

b. Langerhans cell

c. Merkel cell

d. Lymphocyte

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត