Oral Histology Test

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Oral Histology Test

1 / 60

The mode of attachment of the junctional epithelium is:

a. Enamel cuticle.

b. Basement membrane.

c. Odland's bodies.

d. Basal lamina & hemidesmosome.

2 / 60

Diskeratosis is?

a. Increasing in the number of cells

b. Precancerous state

c. Acute inflammation

d. Chronic inflammation

3 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Larynx

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Palate

4 / 60

Which one of the following epithelium is least common?

a. Stratified columnar

b. Pseudo stratified columnar ( ciliated )

c. Transitional

d. Simple columnar

5 / 60

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Which is not true about taste buds:

a. The supporting cells of a taste bud carry taste hairs.

b. Taste buds extend from the basal lamina to the surface of epithelium.

c. Nerve fibers end in contact with the sensory cells in the taste buds.

d. 10 to 20 neuroepithelial cells are the receptors of taste stimuli in a taste bud.

6 / 60

Soft palate is?

a. Posterior pillar of tonsils

b. Anterior pillar of tonsils

c. Looser anterior portion of the palate

d. Looser posterior portion of the palate

7 / 60

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

a. 1st month

b. 4th month

c. 3rd month

d. 2nd month

8 / 60

The cells most frequently found in a granuloma are :

a. Giant cells

b. Lymphocytes

c. Neutrophil

d. Mast cells

9 / 60

Which these is a common problem with tonsils:

a. They become swollen

b. They become swollen and They can become infected themselves

c. They make an infection worse

d. They can become infected themselves

10 / 60

Which of the following regions has a nonkeratinized epithelium and is loosely attached to the underlying structures?:

a. Attached gingiva.

b. Vestibular fornix.

c. Buccal mucosa.

d. Hard palate.

11 / 60

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

a. Basal cells and parabasal spinous cslls

b. Spinous cells and granular cells

c. Granular cell layer

d. Basal cell layer

12 / 60

How are infections of the tonsils or adenoids usually treat:

a. All the answers in this question are incorrect

b. Acetaminophen

c. Antibiotic

d. Aspirin

13 / 60

The mucogingival junction is the junction of:

a. Sulcular epithelium & free gingiva.

b. Sulcular epithelium & free gingiva.

c. Alveolar mucosa and attached gingiva.

d. Palatine gingival & rougae zone.

14 / 60

Cornified layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Nonkeratinized epithelium

c. Orthokeratinized epithelium

d. Parakeratinized epithelium

15 / 60

Stenon’s duct is of:

a. Sub-mandibular gland

b. Sub-lingual gland

c. Minor gland

d. Parotide gland

16 / 60

Taste buds are in

a. Tongue

b. Soft palate

c. Hard palate

d. Teeth

17 / 60

Sublingual glands is a :

a. Mixed glands

b. Present in root of the tongue

c. Mucous gland

d. Serous gland

18 / 60

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

a. Basal cell layer.

b. Stratum granulosum.

c. The tonofilaments.

d. Prickle cell layer.

19 / 60

The most important indication of malignant lesion is?

a. Tooth resorption

b. Teeth movement

c. Paresthesia

d. Pain

20 / 60

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

a. Desmosomes.

b. Keratohyaline granules.

c. Tonofilaments.

d. Odland's bodies.

21 / 60

Facial artery is the branch of the:

a. Internal carotid artery

b. External carotid artery

c. Superficial temporal

22 / 60

The sour taste come from:

a. All the answers in this question are incorrect

b. Citric acids

c. Sodium chloride

d. Amino acids

23 / 60

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

a. Its epithelial cells are keratinized stratified squamous.

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

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

d. It shifts apically with age.

24 / 60

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

a. Fungiform

b. Foliate

c. Circumvallate

d. Filliform

25 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

d. នៅលើ Larynx

26 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and development of epithelial cells.

b. Abnormality of orientation and cells mitosis.

c. Abnormality of structure and development of epithelial cells.

d. Abnormality of migration and cells mitosis.

27 / 60

The mucosa of the dorsal surface of the tongue is:

a. Masticatory mucosa.

b. Smooth surface.

c. Linning mucosa.

d. Spesialized mucosa.

28 / 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

29 / 60

Difference between the skin and mucosa of cheek is?

a. Thick lamina propria on skin of cheek

b. Keratinized mucosa of cheek

c. Rete pegs

d. Thin lamina and non keratinized mucosa of cheek

30 / 60

The papillae lined up in the back of the tongue are called:

a. Foliate

b. Fungiform

c. Circumvallate

d. Filliform

31 / 60

The oral mucosa ចែកចេញជា:

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

b. ពីរស្រទាប់ epithelium and connective tissue

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

d. បីស្រទាប់ epithelium, connective tissue and lamina propria

32 / 60

Those papillae of the tongue which are the largest, having many taste buds and are associated with the duct of Von Ebner’s gland are:

a. Folliate.

b. Fungiform.

c. Filliform.

d. Circumvallate.

33 / 60

Supporting cells of taste buds are called as?

a. Von Ebner cells

b. Sustenticular cells

c. Acini

d. Taste cells

34 / 60

The thinnest epithelium of oral cavity is found in the?

a. Sublingual mucosa (floor of mouth)

b. Lingual gingiva

c. Buccal gingiva

d. Oral surface of lip

35 / 60

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

a. Can migrate coronally.

b. Is impermeable to dyes and fluids.

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

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

36 / 60

Hypertrophy គឺជា៖

a. Decrease in size of an organ

b. Increase in size of an organ

c. Increase in cell number of an organ

d. Decrease in cell number of an organ

37 / 60

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

a. Tongue

b. Oropharynx

c. Lips

d. Roof of the soft plate

38 / 60

Granular cell myoblastoma of tongue is?

a. Benign tumor

b. Lymphatic enlargement of the tongue

c. Malignant tumor of the tongue

d. Developmental anomaly of the tongue.

39 / 60

Tongue papillae responsible for bitter taste sensation:

a. Filliform papillae.

b. Foliate papillae.

c. Circumvallate papillae.

d. Fungiform papillae.

40 / 60

The spirilla bacteria Trepnema pallida causes:

a. Syphilis

b. Pneumonia

c. Abscesses

d. Tuberculosis

41 / 60

Bartholin’s duct is of:

a. Sub-lingual gland

b. Sub-mandibular gland

c. Minor gland

d. Parotide gland

42 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The adenoid

b. The lingual tonsil

c. All the answers in this question are correct

d. The tonsil

43 / 60

Circumvallate papillae are supplied by?

a. Vagus

b. Glossopharyngeal nerve

c. Lingual nerve

d. Hypoglossal nerve

44 / 60

Von Ebner’s salivary gland is:

a. Minor gland

b. Sub-lingual gland

c. Sub-mandibular gland

d. Parotide gland

45 / 60

Keratohyalin granules are present in:

a. Basal layer and prickle cell layer

b. Cornified layer

c. Granular layer and prickle cell layer

d. Basement membrane

46 / 60

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

a. Papilloma

b. Hemangioma

c. Adenoma

d. Fibroma

47 / 60

Taste buds are in :

a. Hard palate

b. Soft palate

c. Teeth

d. Tongue

48 / 60

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

a. All the answers in this question are incorrect

b. Submandibular gland

c. Parotid gland

d. Sublingual gland

49 / 60

Specialized cells stem from

a. Basal layer and prickle cell layer

b. Cornified layer

c. Granular layer

d. Basement membrane

50 / 60

Epithelium of oral mucous membrane is?

a. Only parakeratinized

b. Ortho,Para and nonkeratinized

c. Keratinized

d. Non keratinized

51 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and submucosa

c. Epithelium and Bone

d. Epithelium and lamina propria

52 / 60

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

a. Keratohyaline granules.

b. Lysosomes.

c. Glycogen contents.

d. Desmosomes.

53 / 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

54 / 60

Function of acini is:

a. to produce hormone

b. to produce histamine

c. to produce gastric acid

d. to produce saliva

55 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. It contains granular cell layer.

b. Contain a higher glycogen content.

c. It does not contain basal lamina.

d. No tonofilaments are found in it.

56 / 60

Larges amount of saliva is produced by :

a. Submandibular glands

b. Von Ebner glands

c. Parotid glands

d. Sublingual glands

57 / 60

Lumen is:

a. a central opening of an oral cavity

b. a central opening of a tooth

c. a central opening of a gland

d. a cental opening of an acini

58 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

c. នៅលើ Palate

d. នៅលើ Pharynx

59 / 60

Taste buds មិនមាននៅក្នុង៖

a. Fungiform papillae

b. Circumvallate papillae

c. Foliate papillae

d. Filiform papillae

60 / 60

Masticatory mucosa has:

a. Elastic fibers in its lamina propria.

b. Elastic fibers in its blood vessels wall.

c. No connective tissue papillae.

d. Stratum corneum.

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត