Oral Histology Test

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Oral Histology Test

1 / 60

Most cases of tonsillitis occur in which age group:

a. 40 to 65

b. 11 to 21

c. 10 and under

d. 21 to 40

2 / 60

Masticatory mucosa in the oral cavity covers the?

a. Alveolar mucosa and vestibular fornix

b. Lip and cheek

c. Floor of the mouth and soft palate

d. Gingiva and hard palate

3 / 60

Diskeratosis គឺជាៈ

a. Abnormality of migration and cells mitosis.

b. Abnormality of orientation and development of epithelial cells.

c. Abnormality of orientation and cells mitosis.

d. Abnormality of structure and development of epithelial cells.

4 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Larynx

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Palate

5 / 60

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

a. Basal cell layer

b. Granular cell layer

c. Spinous cells and granular cells

d. Basal cells and parabasal spinous cslls

6 / 60

Specialized cells stem from

a. Basal layer and prickle cell layer

b. Basement membrane

c. Cornified layer

d. Granular layer

7 / 60

Bartholin’s duct is the name of :

a. Submandibular duct

b. Sublingual duct

c. Parotid duct

d. Lacrimal duct

8 / 60

B-cells ( lumphocytes ) can?

a. Secrete interferon

b. Suppress T-cells

c. Give rise to plasma cells

d. Kill other cells

9 / 60

Tongue papillae responsible for bitter taste sensation:

a. Foliate papillae.

b. Circumvallate papillae.

c. Filliform papillae.

d. Fungiform papillae.

10 / 60

Which of the following is found in the cerebellum:

a. Ganglion

b. Basket cells

c. Schwann cells

d. Neuroglia

11 / 60

A node of Ranvier is?

a. A constriction of the axon

b. A junction between two schwann cells

c. A nerve receptor

d. Characteristic of unmyelinated fibers

12 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. ចន្លោះ anterior pillar and posterior pillar

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅលើ Larynx

13 / 60

The sour taste come from:

a. All the answers in this question are incorrect

b. Amino acids

c. Citric acids

d. Sodium chloride

14 / 60

Long connective tissue papillae and keratinized epithelium are a feature of these parts of oral mucosa?

a. Hard palate and gingiva

b. Buccal and alveolar mucosa

c. Hard and soft palate

d. Gingiva and alveolar mucosa

15 / 60

Intermediate layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Nonkeratinized epithelium

c. Keratinized epithelium

d. Orthokeratinized epithelium

16 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. All are corrects

b. Pharyngeal tonsil

c. Tubal tonsil

d. Palatine tonsils and Lingual tonsil

17 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Proteins

b. ច្រោះ Toxic products

c. ច្រោះ Lipids

d. ច្រោះ Glucose

18 / 60

The vermilion border requires frequent moistening because?

a. It contains less number of sweat glands

b. It contains more of sweat glands

c. It contains less number of sebaceous glands

d. It contains more of sebaceous glands

19 / 60

How are infections of the tonsils or adenoids usually treat:

a. Antibiotic

b. Aspirin

c. Acetaminophen

d. All the answers in this question are incorrect

20 / 60

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

a. Chronic

b. Congenital

c. Occupational

d. Communicable

21 / 60

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

a. 3rd month

b. 1st month

c. 4th month

d. 2nd month

22 / 60

The connective tissue of the gingiva is known as the?

a. Lamina dura

b. Dental cuticle

c. Lamina propria

d. Fibroblasts

23 / 60

Function of acini is:

a. to produce histamine

b. to produce hormone

c. to produce saliva

d. to produce gastric acid

24 / 60

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

a. Tonofibrils.

b. Membrane coating granules.

c. Ribosomes.

d. Keratohyaline granules.

25 / 60

The most common cell in connective tissue proper is the?

a. Lymphocyte

b. Mast cell

c. Fibroblast

d. Macrophage

26 / 60

Taste buds មិនមាននៅក្នុង:

a. Filiform papillae

b. Fungiform papillae

c. Circumvallate papillae

d. Foliate papillae

27 / 60

Specialized cells stem from:

a. Basement membrane

b. Basal layer and prickle cell layer

c. Cornified layer

d. Granular layer

28 / 60

Keratohyaline granules are more evident in?

a. Non keratinized

b. Keratinized

c. Ortho keratinized

d. Para keratinized

29 / 60

The p^H of whole saliva is :

a. 1.2 – 2.4

b. 3.0 – 5.6

c. 7.0 – 8.2

d. 6.7 – 7.4

30 / 60

Which one of the following epithelium is least common?

a. Transitional

b. Stratified columnar

c. Simple columnar

d. Pseudo stratified columnar ( ciliated )

31 / 60

Masticatory mucosa has:

a. Elastic fibers in its blood vessels wall.

b. Stratum corneum.

c. Elastic fibers in its lamina propria.

d. No connective tissue papillae.

32 / 60

Keratohyalin is found in the?

a. Stratum corneum

b. Stratum reticularis

c. Hyalin cartilage

d. Stratum granulosum

33 / 60

Myoepithelial cells are present in :

a. Striate duct

b. Mucous cells

c. Serous cells

d. Intercalated duct and terminal duct

34 / 60

The sulcular epithelium:

a. Is nonkeratinized.

b. Is keratinized.

c. Has thick epithelial layer.

d. Has long epithelial ridges.

35 / 60

Which of the following is true regarding the dentogingival junction?:

a. It is derived entirely from ectomesenchyme.

b. It moves apically with age.

c. It moves occlusally with age.

d. Contains clear submucosa.

36 / 60

The parotid gland opens :

a. On the floor of the mouth

b. On the buccal mucosa opposite the maxillary second molar

c. At the caruncular

d. At the side of the lingual frenum

37 / 60

The mucogingival junction is the junction of:

a. Palatine gingival & rougae zone.

b. Sulcular epithelium & free gingiva.

c. Alveolar mucosa and attached gingiva.

d. Sulcular epithelium & free gingiva.

38 / 60

The mushroom shaped papillae on the tongue are called:

a. Filliform

b. Fungiform

c. Circumvallate

d. Foliate

39 / 60

The most important indication of malignant lesion is?

a. Paresthesia

b. Tooth resorption

c. Pain

d. Teeth movement

40 / 60

The sweet taste come from:

a. Amino acids

b. Sugars

c. Alcohols

d. All the answers in this question are correct

41 / 60

Bartholin’s duct drains the:

a. Lacrimal gland

b. Sublingual gland

c. Submandibular gland

d. Parotid

42 / 60

Taste buds are not found on:

a. Fungiform papillae.

b. Circumvallate papillae.

c. Filliform papillae.

d. Foliate papillae.

43 / 60

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

a. Keratinocytes

b. Melanocytes

c. Mast cells

d. Myoepithelial cell

44 / 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

45 / 60

The mode of attachment of the junctional epithelium is:

a. Basal lamina & hemidesmosome.

b. Basement membrane.

c. Enamel cuticle.

d. Odland's bodies.

46 / 60

Stratum granulosum is not present in?

a. Hyper parakeratosis

b. Sulcular epithelium

c. Non keratinized epithelium

d. Hyper orthokeratosis

47 / 60

Hypertrophy គឺជា៖

a. Decrease in cell number of an organ

b. Increase in cell number of an organ

c. Increase in size of an organ

d. Decrease in size of an organ

48 / 60

Hypertrophy is?

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

49 / 60

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

a. Herpes simplex

b. Herpes zoster

c. A granulocytosis

d. Pemphigus

50 / 60

The high level clear cell present in the oral epithelium is?

a. Melanocyte

b. Langerhans cell

c. Merkel cell

d. Lymphocyte

51 / 60

Diskeratosis is?

a. Precancerous state

b. Chronic inflammation

c. Acute inflammation

d. Increasing in the number of cells

52 / 60

Submandibular gland is supplied by:

a. Inferior alveolar artery

b. Lingual artery

c. Facial artery

d. Submandibular artery

53 / 60

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

a. Desmosomes.

b. Lysosomes.

c. Glycogen contents.

d. Keratohyaline granules.

54 / 60

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

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

b. It shifts apically with age.

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

d. Its epithelial cells are keratinized stratified squamous.

55 / 60

Acantholysis គឺជាៈ

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

b. Destroying desmosome in stratum granulosome cells

c. Destroying desmosome in stratum basal cells

d. Destroying desmosome in stratum spinosum cells

56 / 60

Partially keratinized papilla is?

a. Filliform

b. Circumvallate

c. Fungiform

d. Foliate

57 / 60

Difference between the skin and mucosa of cheek is?

a. Rete pegs

b. Thin lamina and non keratinized mucosa of cheek

c. Thick lamina propria on skin of cheek

d. Keratinized mucosa of cheek

58 / 60

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

a. Roof of the soft plate

b. Lips

c. Oropharynx

d. Tongue

59 / 60

Healthy line is represented in:

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

b. Mucogingival junction.

c. Free gingival groove.

d. Junction of the buccal and labial mucosa.

60 / 60

What is the end of an axon called:

a. Terminal bouton

b. Perikaryon

c. Ganglion

d. Astrocyte

Your score is

The average score is 86%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត