Oral Histology Test

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Oral Histology Test

1 / 60

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

a. Enamel cuticle.

b. Dental sac.

c. Vestibular lamina.

d. Reduced enamel epithelium & gingiva.

2 / 60

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

a. Sublingual gland

b. All the answers in this question are incorrect

c. Parotid gland

d. Submandibular gland

3 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Wharton’s duct

c. Blandin’s duct

d. Stensen’s duct

4 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type III collagen

b. Type I collagen

c. Type IV collagen

d. Type I and II collagen

5 / 60

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

a. 1st month

b. 3rd month

c. 4th month

d. 2nd month

6 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Palatine tonsils and Lingual tonsil

b. Pharyngeal tonsil

c. All the answers in this question are correct

d. Tubal tonsil

7 / 60

Superficial layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Orthokeratinized epithelium

c. Keratinized epithelium

d. Parakeratinized epithelium

8 / 60

Granular layer មាននៅក្នុងៈ

a. Keratinized, Para-keratinized and Ortho-keratinized epithelium

b. Keratinized epithelium

c. Para-keratinized epithelium

d. Non-keratinized epithelium

9 / 60

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

a. In the ears

b. Behind the nose and roof of the mouth

c. All the answers in this question are incorrect

d. Under the tongue

10 / 60

How are infections of the tonsils or adenoids usually treat:

a. Acetaminophen

b. Antibiotic

c. Aspirin

d. All the answers in this question are incorrect

11 / 60

Atrophy គឺជា៖

a. Lack of oxygen for cells

b. Lack of nutrition for cells

c. Chronic inflammation

d. Acute inflammation

12 / 60

Diskeratosis is?

a. Acute inflammation

b. Increasing in the number of cells

c. Precancerous state

d. Chronic inflammation

13 / 60

The total amount of saliva secreted by all the salivary glands about 5% is secreted by the:

a. Parotid gland

b. Submandibular gland

c. All the answers in this question are incorrect

d. Sublingual gland

14 / 60

Which one of the following epithelium is least common?

a. Pseudo stratified columnar ( ciliated )

b. Transitional

c. Stratified columnar

d. Simple columnar

15 / 60

In the tongue bitter taste is more perceived at?

a. Sides

b. Tip

c. Back

d. Front

16 / 60

Taste buds មិនមាននៅក្នុង៖

a. Circumvallate papillae

b. Foliate papillae

c. Fungiform papillae

d. Filiform papillae

17 / 60

Partially keratinized papilla is?

a. Filliform

b. Foliate

c. Fungiform

d. Circumvallate

18 / 60

Epithelium of oral mucous membrane is?

a. Only parakeratinized

b. Non keratinized

c. Keratinized

d. Ortho,Para and nonkeratinized

19 / 60

Myoepithelial cells are present in :

a. Serous cells

b. Striate duct

c. Intercalated duct and terminal duct

d. Mucous cells

20 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Keratinized or not keratinized

b. Simple or stratified

c. Squamous cuboidal or columnar

d. Lining or granular

21 / 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

22 / 60

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

a. Foliate.

b. Fungiform.

c. Filliform.

d. Vallate.

23 / 60

Buccal mucosa is?

a. Ortho keratinized

b. Non- keratinized

c. Keratinized

d. Para keratinized

24 / 60

Taste buds are not found on:

a. Filliform papillae.

b. Foliate papillae.

c. Fungiform papillae.

d. Circumvallate papillae.

25 / 60

ចំពោះមនុស្សដែលមានសុខភាពល្អម្នាក់ lymph nodes ជាធម្មតា :

a. All the answers in this question are correct

b. Small

c. Free

d. Soft

26 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

c. នៅលើ Palate

d. នៅលើ Pharynx

27 / 60

The mucogingival junction is the junction of:

a. Palatine gingival & rougae zone.

b. Alveolar mucosa and attached gingiva.

c. Sulcular epithelium & free gingiva.

d. Sulcular epithelium & free gingiva.

28 / 60

Hypertrophy គឺជា៖

a. Increase in cell number of an organ

b. Increase in size of an organ

c. Decrease in size of an organ

d. Decrease in cell number of an organ

29 / 60

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

a. Existance of high number of langerhans cells.

b. Thichness of oral epithelium.

c. Epithelial keratinization.

d. Vascularity of the lamina propria.

30 / 60

The mucous membrane of cheek and lips?

a. It attached to orbicularis oris in lips

b. All the answers in this question are incorrect

c. It attached to buccinators muscle in cheek

d. A and B are correct

31 / 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

32 / 60

Circumvallate papillae are supplied by?

a. Vagus

b. Glossopharyngeal nerve

c. Lingual nerve

d. Hypoglossal nerve

33 / 60

Basement membrane?

a. Consists of lamina densa and lamina lucida

b. Consists lurati hyaline granules

c. Contains lamina lucida and lamina dura

d. Consists of desmosomes and hemidesmosomes

34 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and lamina propria

b. Epithelium and Bone

c. Lamina propria and submucosa

d. Epithelium and submucosa

35 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Pharynx

b. ចន្លោះ anterior pillar and posterior pillar

c. នៅលើ Larynx

d. នៅលើ Palate

36 / 60

The peripheral nervous system includes the:

a. Brain

b. Spinal cord

c. Nuclei

d. Somatic nervous system

37 / 60

The sour taste come from:

a. Citric acids

b. All the answers in this question are incorrect

c. Sodium chloride

d. Amino acids

38 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Palate

b. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

c. នៅលើ Pharynx

d. នៅលើ Larynx

39 / 60

Intermediate layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Keratinized epithelium

c. Parakeratinized epithelium

d. Nonkeratinized epithelium

40 / 60

The normal P^Hof saliva is about :

a. 5.5

b. 9.5

c. 8.5

d. 7.5

41 / 60

A sign of bacterial infection is:

a. Parasites

b. A cold

c. Pus

d. Bleeding

42 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Cilia

b. Viruses

c. Bacteria

d. Fungi

43 / 60

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

a. Foliate

b. Circumvallate

c. Filliform

d. Fungiform

44 / 60

The three laterally paired major salivary glands are located :

a. In tongue

b. In neck

c. Intra orally

d. Extra orally

45 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and muscular layer.

b. Epithelium, lamina propria and basement membrane.

c. Epithelium and basement membrane.

d. Mucosa & submucosa.

46 / 60

The total volume of saliva secreted daily is :

a. 2 litres

b. 750 ml

c. 3 litres

d. 1.5 litres

47 / 60

The sweet taste come from:

a. All the answers in this question are correct

b. Sugars

c. Alcohols

d. Amino acids

48 / 60

The p^H of whole saliva is :

a. 7.0 – 8.2

b. 1.2 – 2.4

c. 6.7 – 7.4

d. 3.0 – 5.6

49 / 60

The floor of the mouth is lined by:

a. Linning mucosa loosely attached.

b. Linning mucosa firmly attached.

c. Masticatory mucosa.

d. Specialized mucosa.

50 / 60

Keratohyalin granules are present in:

a. Basement membrane

b. Cornified layer

c. Granular layer and prickle cell layer

d. Basal layer and prickle cell layer

51 / 60

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

a. Back

b. Top

c. Underneath

d. Tip and sides

52 / 60

How many neurones are in the body of man:

a. 10,000

b. 10,000,000,000

c. 10,000,000,000,000

d. 10,000,000

53 / 60

Hypertrophy is?

a. Decrease in size of an organ

b. Increase in cell number of an organ

c. Increase in size of an organ

d. Decrease in cell number of an organ

54 / 60

Healthy line is represented in:

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

b. Free gingival groove.

c. Mucogingival junction.

d. Junction of the buccal and labial mucosa.

55 / 60

Parasites are types of:

a. Disease

b. Nonpathogenic bacteria

c. Pathogenic virus

d. Pathogenic bacteria

56 / 60

The total amount of saliva secreted by all the salivary glands about 60% is secreted by :

a. Parotid glands

b. All the answers in this question are incorrect

c. Submandibular glands

d. Sublingual glands

57 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

58 / 60

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

a. Keratohyaline granules.

b. Tonofilaments.

c. Desmosomes.

d. Odland's bodies.

59 / 60

What is the end of an axon called:

a. Perikaryon

b. Ganglion

c. Astrocyte

d. Terminal bouton

60 / 60

Von Ebner’s salivary gland is:

a. Minor gland

b. Parotide gland

c. Sub-lingual gland

d. Sub-mandibular gland

Your score is

The average score is 84%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត