Oral Histology Test

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Oral Histology Test

1 / 60

The mode of attachment of the junctional epithelium is:

a. Odland's bodies.

b. Basal lamina & hemidesmosome.

c. Basement membrane.

d. Enamel cuticle.

2 / 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

3 / 60

Lumen is:

a. a central opening of a tooth

b. a central opening of a gland

c. a cental opening of an acini

d. a central opening of an oral cavity

4 / 60

Dendritic cell located in the stratified squamous keratinized epithelium of the oral cavity include?

a. Mast cells

b. Myoepithelial cell

c. Melanocytes

d. Keratinocytes

5 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. All the answers in this question are correct

b. Tubal tonsil

c. Palatine tonsils and Lingual tonsil

d. Pharyngeal tonsil

6 / 60

The sweet taste come from:

a. All the answers in this question are correct

b. Alcohols

c. Sugars

d. Amino acids

7 / 60

Bartholin’s duct drains the:

a. Sublingual gland

b. Lacrimal gland

c. Submandibular gland

d. Parotid

8 / 60

The vermilion border requires frequent moistening because?

a. It contains more of sebaceous glands

b. It contains more of sweat glands

c. It contains less number of sweat glands

d. It contains less number of sebaceous glands

9 / 60

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

a. Tip and sides

b. Underneath

c. Top

d. Back

10 / 60

Diskeratosis is?

a. Increasing in the number of cells

b. Acute inflammation

c. Precancerous state

d. Chronic inflammation

11 / 60

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

a. All the answers in this question are correct

b. Tiny hairs

c. A sticky top

d. A hard shell

12 / 60

The three laterally paired major salivary glands are located :

a. Extra orally

b. In tongue

c. In neck

d. Intra orally

13 / 60

The peripheral nervous system includes the:

a. Brain

b. Somatic nervous system

c. Nuclei

d. Spinal cord

14 / 60

Which these may be a symptom of tonsillitis:

a. Bad breath

b. All the answers in this question are correct

c. Swollen lymph nodes in the neck

d. Fever

e. Sore throat

15 / 60

Keratohyaline granules in epithelial cells of keratinized mucosa are associated with:

a. Basal cell layer.

b. Prickle cell layer.

c. Stratum granulosum.

d. The tonofilaments.

16 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. ចន្លោះ anterior pillar and posterior pillar

d. នៅលើ Larynx

17 / 60

Secialized cells migrate:

a. to basement membrane

b. to the upper layers

c. to the lower layer

d. to lamina propria

18 / 60

Parakeratinized epithelium is found in:

a. Ventral surface of tongue.

b. Vestibular fornix.

c. Gingiva.

d. Floor of the mouth.

19 / 60

The parotid gland opens :

a. On the floor of the mouth

b. At the side of the lingual frenum

c. On the buccal mucosa opposite the maxillary second molar

d. At the caruncular

20 / 60

Labial and buccal miner salivary glands are:

a. Purely serous

b. Mixed

c. All the answers in this question are incorrect

d. Purely mucous

21 / 60

Basement membrane?

a. Consists of desmosomes and hemidesmosomes

b. Consists lurati hyaline granules

c. Contains lamina lucida and lamina dura

d. Consists of lamina densa and lamina lucida

22 / 60

Displasia គឺជា៖

a. Disorder of cell distribution

b. Disorder of cell in mitosis

c. Disorder of cell in migration

d. Disorder of cell structure formation

23 / 60

Supporting cells of taste buds are called as?

a. Acini

b. Sustenticular cells

c. Taste cells

d. Von Ebner cells

24 / 60

Larges amount of saliva is produced by :

a. Parotid glands

b. Submandibular glands

c. Von Ebner glands

d. Sublingual glands

25 / 60

Parasites are types of:

a. Nonpathogenic bacteria

b. Pathogenic virus

c. Pathogenic bacteria

d. Disease

26 / 60

Saliva is secreted by:

a. Parotid glands

b. Major salivary glands

c. Minor salivary glands

d. Major and minor salivary glands

27 / 60

The mucogingival junction is the junction of:

a. Palatine gingival & rougae zone.

b. Sulcular epithelium & free gingiva.

c. Sulcular epithelium & free gingiva.

d. Alveolar mucosa and attached gingiva.

28 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The tonsil

b. All the answers in this question are correct

c. The adenoid

d. The lingual tonsil

29 / 60

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

a. All the answers in this question are incorrect

b. Under the tongue

c. In the ears

d. Behind the nose and roof of the mouth

30 / 60

The most common cell in connective tissue proper is the?

a. Lymphocyte

b. Fibroblast

c. Macrophage

d. Mast cell

31 / 60

Which of the following is not found in saliva :

a. Triypsine

b. Bicarbonate

c. Lysozyme

d. Phosphate

32 / 60

Keratohyalin granules are present in

a. Cornified layer

b. Basement membrane

c. Basal layer and prickle cell layer

d. Granular layer and prickle cell layer

33 / 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. Parotid glands

d. Sublingual glands

34 / 60

Circumvallate papillae are supplied by?

a. Lingual nerve

b. Glossopharyngeal nerve

c. Hypoglossal nerve

d. Vagus

35 / 60

Which of the following is a transiant cell in the oral epithelium:

a. Melanocyte.

b. Langerhans cell.

c. Merkel cell.

d. Lymphocyte.

36 / 60

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

a. Papilloma

b. Adenoma

c. Hemangioma

d. Fibroma

37 / 60

The spirilla bacteria Trepnema pallida causes:

a. Abscesses

b. Syphilis

c. Tuberculosis

d. Pneumonia

38 / 60

Specialized cells migrate

a. to the lower layer

b. to basement membrane

c. to the upper layers

d. to lamina propria

39 / 60

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

a. Reduced enamel epithelium & gingiva.

b. Vestibular lamina.

c. Dental sac.

d. Enamel cuticle.

40 / 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

41 / 60

Color of the normal gingiva is?

a. Red

b. Pink

c. Coral pink

d. All the answers in this question are incorrect

42 / 60

Hyperkeratosis is:

a. Increase in wideness of keratin layer or stratum corneum

b. Increase in longevity of keratin layer or stratum corneum

c. Increase in size of keratin layer or stratum corneum

d. Increase in thickness of keratin layer or stratum corneum

43 / 60

Which of the following is purely mucous :

a. Palatine glands

b. Glossopalatine glands

c. Posterior lingual mucous glands

d. All the answers in this question are correct

44 / 60

The most important indication of malignant lesion is?

a. Tooth resorption

b. Teeth movement

c. Pain

d. Paresthesia

45 / 60

Superficial layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Parakeratinized epithelium

c. Keratinized epithelium

d. Nonkeratinized epithelium

46 / 60

The sour taste come from:

a. Citric acids

b. Amino acids

c. Sodium chloride

d. All the answers in this question are incorrect

47 / 60

The function of myoepithelial cells may be :

a. All the answers in this question are correct

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

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

d. Initiating contraction

48 / 60

Function of acini is:

a. to produce saliva

b. to produce hormone

c. to produce histamine

d. to produce gastric acid

49 / 60

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

a. Filliform

b. Circumvallate

c. Foliate

d. Fungiform

50 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

51 / 60

Masticatory mucosa has:

a. Elastic fibers in its blood vessels wall.

b. No connective tissue papillae.

c. Stratum corneum.

d. Elastic fibers in its lamina propria.

52 / 60

Bulla

a. large lesion

b. large pustule

c. Large vesicles that are confluent

d. Vesicle

53 / 60

Atrophy គឺជា៖

a. Chronic inflammation

b. Lack of nutrition for cells

c. Acute inflammation

d. Lack of oxygen for cells

54 / 60

How many neurones are in the body of man:

a. 10,000,000,000

b. 10,000

c. 10,000,000

d. 10,000,000,000,000

55 / 60

Myoepithelial cells are present in :

a. Striate duct

b. Mucous cells

c. Serous cells

d. Intercalated duct and terminal duct

56 / 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. Granular cell layer

d. Basal cell layer

57 / 60

The mucosa of the dorsal surface of the tongue is:

a. Spesialized mucosa.

b. Linning mucosa.

c. Smooth surface.

d. Masticatory mucosa.

58 / 60

Intercalated duct is :

a. a duct from acinus

b. a duct from a salivery gland

c. a duct from a paritide gland

d. a duct from a lumen

59 / 60

What do your tonsils and adenoids do:

a. All the answers in this question are incorrect

b. They are part of your immune system

c. They don’t do anything

d. They help your nose with the sense of smell

60 / 60

The connective tissue of the gingiva is known as the?

a. Dental cuticle

b. Fibroblasts

c. Lamina propria

d. Lamina dura

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត