Oral Histology Test

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Oral Histology Test

1 / 60

Keratohyalin is found in the?

a. Stratum granulosum

b. Stratum corneum

c. Stratum reticularis

d. Hyalin cartilage

2 / 60

Which of the following is found in the cerebellum:

a. Schwann cells

b. Neuroglia

c. Ganglion

d. Basket cells

3 / 60

Bacteria that cause disease are called:

a. Saprophytes

b. Pathogenic

c. Nonpathogenic

d. Protozoa

4 / 60

The parotid glands open through the :

a. Wharton’s duct

b. Blandin’s duct

c. Stensen’s duct

d. Bartholin’s duct

5 / 60

Diskeratosis is?

a. Increasing in the number of cells

b. Chronic inflammation

c. Precancerous state

d. Acute inflammation

6 / 60

Wharton’s duct is of:

a. Sub-mandibular gland

b. Sub-lingual gland

c. Minor gland

d. Parotide gland

7 / 60

Bartholin’s duct is of:

a. Sub-mandibular gland

b. Sub-lingual gland

c. Minor gland

d. Parotide gland

8 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

c. នៅលើ Palate

d. នៅលើ Larynx

9 / 60

The oral mucosa ចែកចេញជា:

a. ពីរស្រទាប់ epithelium and connective tissue

b. បីស្រទាប់ epithelium, connective tissue and lamina propria

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

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

10 / 60

Taste buds មិនមាននៅក្នុង៖

a. Filiform papillae

b. Foliate papillae

c. Circumvallate papillae

d. Fungiform papillae

11 / 60

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

a. Foliate.

b. Fungiform.

c. Filliform.

d. Vallate.

12 / 60

Hypertrophy គឺជា៖

a. Increase in cell number of an organ

b. Decrease in size of an organ

c. Decrease in cell number of an organ

d. Increase in size of an organ

13 / 60

Von Ebner’s salivary gland is:

a. Sub-mandibular gland

b. Sub-lingual gland

c. Minor gland

d. Parotide gland

14 / 60

Salivary glands are not found in :

a. Nasopalatine canal

b. Anterior part of the hard palate

c. In mandible posterior to the 3rd molar

d. Posterior part of the hard palate

15 / 60

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

a. Filliform

b. Circumvallate

c. Foliate

d. Fungiform

16 / 60

Which of the following is not found in saliva :

a. Phosphate

b. Triypsine

c. Bicarbonate

d. Lysozyme

17 / 60

Pus forming bacteria that cause strep throat and blood poisoning are:

a. Streptococci

b. Staphylococci

c. Bacilli

d. Diplococci

18 / 60

Bulla:

a. Vesicle

b. large pustule

c. Large vesicles that are confluent

d. large lesion

19 / 60

Parakeratinized epithelium is found in:

a. Ventral surface of tongue.

b. Vestibular fornix.

c. Floor of the mouth.

d. Gingiva.

20 / 60

Striated duct is:

a. a duct from a system duct

b. a duct from a salivery gland

c. a duct from a submandibular gland

d. a duct from intercalated ducts

21 / 60

The tonsillar lymph node is situated at the level of?

a. Angle of the mandible

b. Clavicle

c. Jugulodigastric crossing

d. Vertebrae

22 / 60

Most cases of tonsillitis occur in which age group:

a. 10 and under

b. 21 to 40

c. 40 to 65

d. 11 to 21

23 / 60

What is a secretory cell in oral cavity:

a. Cell producing gastric acid

b. Cell producing saliva

c. Cell producing hormone

d. Cell producing histamine

24 / 60

The peripheral nervous system includes the:

a. Somatic nervous system

b. Nuclei

c. Brain

d. Spinal cord

25 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum basal cells

b. Destroying desmosome in stratum spinosum cells

c. Destroying desmosome in stratum granulosome cells

d. Swelling in intracellular space destroying desmosome in stratum spinosum cells

26 / 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.

27 / 60

The mushroom shaped papillae on the tongue are called:

a. Foliate

b. Circumvallate

c. Fungiform

d. Filliform

28 / 60

A node of Ranvier is?

a. A nerve receptor

b. Characteristic of unmyelinated fibers

c. A junction between two schwann cells

d. A constriction of the axon

29 / 60

Excretory duct is

a. a duct from a submandibular gland

b. a duct from a parotide gland

c. a duct from a sublimgual gland

d. a duct from a striated ducts

30 / 60

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

a. Melanocyte.

b. Langerhans cell.

c. Lymphocyte.

d. Merkel cell.

31 / 60

Myoepithelial cells are present in :

a. Intercalated duct and terminal duct

b. Striate duct

c. Serous cells

d. Mucous cells

32 / 60

Masticatory mucosa is?

a. Ortho keratinized

b. Non keratinized

c. Para keratinized

d. Sub keratinized

33 / 60

The spirilla bacteria Trepnema pallida causes:

a. Abscesses

b. Syphilis

c. Tuberculosis

d. Pneumonia

34 / 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.

35 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Mucosa of the floor of the mouth.

b. Palatal mucosa.

c. Attached gingiva.

d. Free gingiva.

36 / 60

The vermilion border requires frequent moistening because?

a. It contains more of sweat glands

b. It contains more of sebaceous glands

c. It contains less number of sweat glands

d. It contains less number of sebaceous glands

37 / 60

Submandibular gland is supplied by:

a. Lingual artery

b. Inferior alveolar artery

c. Facial artery

d. Submandibular artery

38 / 60

The function of myoepithelial cells may be :

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

b. All the answers in this question are correct

c. Initiating contraction

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

39 / 60

Epithelium of oral mucous membrane is?

a. Only parakeratinized

b. Keratinized

c. Ortho,Para and nonkeratinized

d. Non keratinized

40 / 60

The connective tissue of the gingiva is known as the?

a. Fibroblasts

b. Lamina dura

c. Dental cuticle

d. Lamina propria

41 / 60

Larges amount of saliva is produced by :

a. Submandibular glands

b. Von Ebner glands

c. Parotid glands

d. Sublingual glands

42 / 60

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

a. Herpes zoster

b. Herpes simplex

c. Pemphigus

d. A granulocytosis

43 / 60

How many neurones are in the body of man:

a. 10,000,000,000,000

b. 10,000

c. 10,000,000,000

d. 10,000,000

44 / 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

45 / 60

Non keratinized epithelium is found over?

a. Free gingiva

b. Gingival sulcus

c. Interdental papilla

d. Attached gingiva

46 / 60

Function of acini is:

a. to produce histamine

b. to produce hormone

c. to produce gastric acid

d. to produce saliva

47 / 60

Most areas of oral mucosa are:

a. Keratiniezd stratified epithelium

b. OrthoKeratiniezd stratified epithelium

c. ParaKeratiniezd stratified epithelium

d. NonKeratiniezd stratified epithelium

48 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Palate

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Pharynx

49 / 60

The mucous membrane of cheek and lips?

a. All the answers in this question are incorrect

b. It attached to buccinators muscle in cheek

c. A and B are correct

d. It attached to orbicularis oris in lips

50 / 60

In the tongue bitter taste is more perceived at?

a. Front

b. Back

c. Tip

d. Sides

51 / 60

Stenon’s duct is of:

a. Parotide gland

b. Sub-mandibular gland

c. Minor gland

d. Sub-lingual gland

52 / 60

Atrophy គឺជា៖

a. Acute inflammation

b. Chronic inflammation

c. Lack of oxygen for cells

d. Lack of nutrition for cells

53 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and Bone

b. Lamina propria and submucosa

c. Epithelium and submucosa

d. Epithelium and lamina propria

54 / 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

55 / 60

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

a. Floor of the mouth.

b. Alveolar mucosa.

c. Buccal mucosa.

d. Gingiva.

56 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

b. នៅលើ Larynx

c. នៅលើ Pharynx

d. នៅលើ Palate

57 / 60

Bulla

a. Vesicle

b. Large vesicles that are confluent

c. large pustule

d. large lesion

58 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type IV collagen

b. Type I and II collagen

c. Type III collagen

d. Type I collagen

59 / 60

Sublingual glands is a :

a. Mucous gland

b. Present in root of the tongue

c. Mixed glands

d. Serous gland

60 / 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. Sublingual gland

d. Parotid gland

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត