Oral Histology Test

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Oral Histology Test

1 / 60

Diskeratosis is?

a. Chronic inflammation

b. Increasing in the number of cells

c. Precancerous state

d. Acute inflammation

2 / 60

Submandibular gland is supplied by:

a. Submandibular artery

b. Lingual artery

c. Inferior alveolar artery

d. Facial artery

3 / 60

Most cases of tonsillitis occur in which age group:

a. 10 and under

b. 11 to 21

c. 40 to 65

d. 21 to 40

4 / 60

The basket cells are also known as :

a. Parenchymal cells

b. Endothelial cells

c. All the answers in this question are incorrect

d. Myoepithelial cells

5 / 60

What is the end of an axon called:

a. Ganglion

b. Perikaryon

c. Astrocyte

d. Terminal bouton

6 / 60

Glands emptying the circumvalate trough are the:

a. Mucous and serous mixed glands.

b. Mucous glands.

c. Serous glands.

d. Glands of Nuhn.

7 / 60

Color of the normal gingiva is?

a. All the answers in this question are incorrect

b. Red

c. Coral pink

d. Pink

8 / 60

Basement membrane នៅចន្លោះ:

a. Lamina propria and submucosa

b. Epithelium and Bone

c. Epithelium and lamina propria

d. Epithelium and submucosa

9 / 60

ចំពោះមនុស្សដែលមានសុខភាពល្អម្នាក់ lymph nodes ជាធម្មតា :

a. All the answers in this question are correct

b. Free

c. Soft

d. Small

10 / 60

Which of the following is true of the sulcular epithelium:

a. Has submucosa.

b. Contain connective tissue papillae.

c. Is nonkeratinized.

d. Consists of keratinized epithelium.

11 / 60

Normal
0

false
false
false

EN-US
JA
KHM

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Fungiform papillae:

a. Have a lamina propria which is poorly vascularized.

b. Carry taste buds.

c. Are seen as white spots.

d. Have a stratum corneum.

12 / 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. Fungiform.

b. Filliform.

c. Circumvallate.

d. Folliate.

13 / 60

Wharton’s duct drains the:

a. Lacrimal gland

b. Pancreas

c. Submandibular gland

d. Parotid

14 / 60

Specialized cells stem from:

a. Cornified layer

b. Basal layer and prickle cell layer

c. Granular layer

d. Basement membrane

15 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum basal cells

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

c. Destroying desmosome in stratum granulosome cells

d. Destroying desmosome in stratum spinosum cells

16 / 60

Normal
0

false
false
false

EN-US
JA
KHM

Which is not true about taste buds:

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

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

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

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

17 / 60

Atrophy គឺជា៖

a. Chronic inflammation

b. Lack of nutrition for cells

c. Acute inflammation

d. Lack of oxygen for cells

18 / 60

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

a. Vallate.

b. Fungiform.

c. Foliate.

d. Filliform.

19 / 60

Which papillae are completely keratinized?

a. Foliate

b. Circumvallate

c. Fungiform

d. Filliform

20 / 60

Endothelium and mesothelium form cellular membranes which have the same histologic structure as?

a. Simple columnar epithelium

b. Stratified cuboidal epithelium

c. Simple squamous epithelium

d. Stratified squamous epithelium

21 / 60

A disease that is transmitted from one person to another by contact is said to be:

a. Occupational

b. Congenital

c. Communicable

d. Chronic

22 / 60

Supporting cells of taste buds are called as?

a. Sustenticular cells

b. Von Ebner cells

c. Acini

d. Taste cells

23 / 60

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

a. Gingiva.

b. Buccal mucosa.

c. Alveolar mucosa.

d. Floor of the mouth.

24 / 60

Labial and buccal miner salivary glands are:

a. Purely mucous

b. Purely serous

c. All the answers in this question are incorrect

d. Mixed

25 / 60

Intercalated duct is :

a. a duct from a paritide gland

b. a duct from a salivery gland

c. a duct from a lumen

d. a duct from acinus

26 / 60

Excretory duct is

a. a duct from a striated ducts

b. a duct from a parotide gland

c. a duct from a sublimgual gland

d. a duct from a submandibular gland

27 / 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

28 / 60

Bulla:

a. Large vesicles that are confluent

b. large lesion

c. large pustule

d. Vesicle

29 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Larynx

c. ចន្លោះ anterior pillar and posterior pillar

d. នៅលើ Pharynx

30 / 60

Merkel cells are found in which of the following tissue?

a. Papillary layer of dermis

b. Hypodermis

c. Reticular of dermis

d. Epidermis

31 / 60

The humans, the lining epithelium of the esophagus is?

a. Stratified squamous, non-keratinized

b. Transitional

c. Stratified squamous, keratinized

d. Simple columnar

32 / 60

Which of the following are not usually found in the keratinocytes of the stratum spinosum of keratinized oral epithelium?:

a. Keratohyaline granules.

b. Ribosomes.

c. Membrane coating granules.

d. Tonofibrils.

33 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type III collagen

b. Type I collagen

c. Type I and II collagen

d. Type IV collagen

34 / 60

Keratohyalin is found in the?

a. Stratum granulosum

b. Stratum reticularis

c. Hyalin cartilage

d. Stratum corneum

35 / 60

Which one of the following epithelium is least common?

a. Simple columnar

b. Pseudo stratified columnar ( ciliated )

c. Transitional

d. Stratified columnar

36 / 60

The sweet taste come from:

a. All the answers in this question are correct

b. Alcohols

c. Sugars

d. Amino acids

37 / 60

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

a. 100

b. 1,000

c. 10,000

d. 100,000

38 / 60

The most important indication of malignant lesion is?

a. Paresthesia

b. Tooth resorption

c. Teeth movement

d. Pain

39 / 60

Glands are classified based on?

a. All the answers in this question are correct

b. Branching pattern of the ducts

c. Made of secretion

d. Their secretory product

40 / 60

Vesicle គឺជា

a. ពងខ្ទុះ

b. ពងទឹក

c. ពងទឹកលាយខ្ទុះ

d. ពងទឹកលាយឈាម

41 / 60

The most common cell in connective tissue proper is the?

a. Mast cell

b. Fibroblast

c. Macrophage

d. Lymphocyte

42 / 60

The peripheral nervous system includes the:

a. Spinal cord

b. Nuclei

c. Somatic nervous system

d. Brain

43 / 60

The floor of the mouth is lined by:

a. Linning mucosa loosely attached.

b. Masticatory mucosa.

c. Specialized mucosa.

d. Linning mucosa firmly attached.

44 / 60

Superficial layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Keratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

45 / 60

The three laterally paired major salivary glands are located :

a. Extra orally

b. In tongue

c. In neck

d. Intra orally

46 / 60

Which of the following conditions present as complete vesicle?

a. Pyostomatitis

b. Pemphigus

c. Dermatitis

d. Aphthous ulcer

47 / 60

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

a. 2nd month

b. 1st month

c. 3rd month

d. 4th month

48 / 60

Bacteria that cause disease are called:

a. Saprophytes

b. Protozoa

c. Nonpathogenic

d. Pathogenic

49 / 60

What do your tonsils and adenoids do:

a. They are part of your immune system

b. All the answers in this question are incorrect

c. They help your nose with the sense of smell

d. They don’t do anything

50 / 60

A cyst occurring under the tongue caused by obstruction of salivary gland duct is called a :

a. Dentigerous cyst

b. Ranula

c. Follicular cyst

d. Dermoid cyst

51 / 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. Initiating contraction

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

52 / 60

Hypertrophy is?

a. Increase in size of an organ

b. Increase in cell number of an organ

c. Decrease in size of an organ

d. Decrease in cell number of an organ

53 / 60

Most areas of oral mucosa are:

a. NonKeratiniezd stratified epithelium

b. OrthoKeratiniezd stratified epithelium

c. ParaKeratiniezd stratified epithelium

d. Keratiniezd stratified epithelium

54 / 60

Larges amount of saliva is produced by :

a. Submandibular glands

b. Sublingual glands

c. Von Ebner glands

d. Parotid glands

55 / 60

Taste buds មិនមាននៅក្នុង៖

a. Circumvallate papillae

b. Foliate papillae

c. Fungiform papillae

d. Filiform papillae

56 / 60

How many neurones are in the body of man:

a. 10,000

b. 10,000,000,000,000

c. 10,000,000

d. 10,000,000,000

57 / 60

Specialized cells migrate

a. to the upper layers

b. to basement membrane

c. to lamina propria

d. to the lower layer

58 / 60

Basement membrane?

a. Consists lurati hyaline granules

b. Consists of desmosomes and hemidesmosomes

c. Consists of lamina densa and lamina lucida

d. Contains lamina lucida and lamina dura

59 / 60

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

a. Epithelial keratinization.

b. Thichness of oral epithelium.

c. Existance of high number of langerhans cells.

d. Vascularity of the lamina propria.

60 / 60

Bartholin’s duct is the name of :

a. Sublingual duct

b. Lacrimal duct

c. Submandibular duct

d. Parotid duct

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត