Oral Histology Test

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Oral Histology Test

1 / 60

Diskeratosis គឺជាៈ

a. Abnormality of structure and development of epithelial cells.

b. Abnormality of orientation and cells mitosis.

c. Abnormality of migration and cells mitosis.

d. Abnormality of orientation and development of epithelial cells.

2 / 60

Buccal mucosa is?

a. Non- keratinized

b. Ortho keratinized

c. Para keratinized

d. Keratinized

3 / 60

The immunoglobulin present in saliva is :

a. IgG

b. IgE

c. IgM

d. IgA

4 / 60

Myoepithelial cell of an acini is:

a. kind of cell in a tonsil

b. kind of cell in a heart

c. kind of cell in a salivery gland

d. kind of contractile cell on an acini

5 / 60

What do your tonsils and adenoids do:

a. All the answers in this question are incorrect

b. They don’t do anything

c. They are part of your immune system

d. They help your nose with the sense of smell

6 / 60

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

a. Underneath

b. Top

c. Back

d. Tip and sides

7 / 60

The mode of attachment of the junctional epithelium is:

a. Odland's bodies.

b. Enamel cuticle.

c. Basal lamina & hemidesmosome.

d. Basement membrane.

8 / 60

Granular cell myoblastoma of tongue is?

a. Malignant tumor of the tongue

b. Lymphatic enlargement of the tongue

c. Benign tumor

d. Developmental anomaly of the tongue.

9 / 60

The vermilion border requires frequent moistening because?

a. It contains more of sebaceous glands

b. It contains less number of sweat glands

c. It contains more of sweat glands

d. It contains less number of sebaceous glands

10 / 60

Sublingual glands is a :

a. Mucous gland

b. Serous gland

c. Mixed glands

d. Present in root of the tongue

11 / 60

Which of the following cells synthesize protein which remains within the cell without secretion:

a. Plasma cell.

b. Keratinocyte.

c. Osteoblasts.

d. Fibroblast.

12 / 60

Basement membrane?

a. Consists lurati hyaline granules

b. Contains lamina lucida and lamina dura

c. Consists of lamina densa and lamina lucida

d. Consists of desmosomes and hemidesmosomes

13 / 60

Specialized cells migrate

a. to basement membrane

b. to lamina propria

c. to the lower layer

d. to the upper layers

14 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

b. នៅលើ Palate

c. នៅលើ Larynx

d. នៅលើ Pharynx

15 / 60

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

a. Adenoma

b. Hemangioma

c. Papilloma

d. Fibroma

16 / 60

Most cases of tonsillitis occur in which age group:

a. 11 to 21

b. 21 to 40

c. 40 to 65

d. 10 and under

17 / 60

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

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

b. Its epithelial cells are keratinized stratified squamous.

c. It shifts apically with age.

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

18 / 60

Supporting cells of taste buds are called as?

a. Sustenticular cells

b. Von Ebner cells

c. Acini

d. Taste cells

19 / 60

The most common malignancy found in the oral cavity is :

a. Transitional cell carcinoma

b. Squamous cell carcinoma

c. Adenocarcinoma

d. Basal cell carcinoma

20 / 60

Merkel cells are found in which of the following tissue?

a. Hypodermis

b. Epidermis

c. Reticular of dermis

d. Papillary layer of dermis

21 / 60

Normal
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false

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Fungiform papillae:

a. Carry taste buds.

b. Have a stratum corneum.

c. Are seen as white spots.

d. Have a lamina propria which is poorly vascularized.

22 / 60

Bacteria that cause disease are called:

a. Pathogenic

b. Saprophytes

c. Nonpathogenic

d. Protozoa

23 / 60

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

a. In the ears

b. All the answers in this question are incorrect

c. Under the tongue

d. Behind the nose and roof of the mouth

24 / 60

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

a. Glycogen contents.

b. Lysosomes.

c. Keratohyaline granules.

d. Desmosomes.

25 / 60

The sulcular epithelium:

a. Is keratinized.

b. Has long epithelial ridges.

c. Has thick epithelial layer.

d. Is nonkeratinized.

26 / 60

How many neurones are in the body of man:

a. 10,000,000

b. 10,000,000,000

c. 10,000

d. 10,000,000,000,000

27 / 60

The buccal mucosa:

a. Is continuous with the gingival mucosa.

b. Has numerous connective tissue papillae.

c. It is firmly attached to the underlying tissues.

d. Has a keratinized epithelium.

28 / 60

Vesicles or Bullae of the mucous membrane or skin are seen in all the following except?

a. A granulocytosis

b. Pemphigus

c. Herpes simplex

d. Herpes zoster

29 / 60

Saliva is secreted by:

a. Major and minor salivary glands

b. Parotid glands

c. Minor salivary glands

d. Major salivary glands

30 / 60

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

a. It is derived entirely from ectomesenchyme.

b. It moves occlusally with age.

c. It moves apically with age.

d. Contains clear submucosa.

31 / 60

Hyperkeratosis is:

a. Increase in wideness of keratin layer or stratum corneum

b. Increase in thickness of keratin layer or stratum corneum

c. Increase in longevity of keratin layer or stratum corneum

d. Increase in size of keratin layer or stratum corneum

32 / 60

Larges amount of saliva is produced by :

a. Parotid glands

b. Von Ebner glands

c. Submandibular glands

d. Sublingual glands

33 / 60

Which of the following represents the correct innervation of fungiform papilla?:

a. Trigeminal nerve.

b. Chorda tympani.

c. Facial nerve.

d. Glossopharyngeal nerve.

34 / 60

Taste buds are in

a. Hard palate

b. Teeth

c. Tongue

d. Soft palate

35 / 60

Difference between the skin and mucosa of cheek is?

a. Keratinized mucosa of cheek

b. Rete pegs

c. Thin lamina and non keratinized mucosa of cheek

d. Thick lamina propria on skin of cheek

36 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Bacteria

b. Viruses

c. Cilia

d. Fungi

37 / 60

The cells most frequently found in a granuloma are :

a. Mast cells

b. Neutrophil

c. Giant cells

d. Lymphocytes

38 / 60

Salivary glands are not found in :

a. Nasopalatine canal

b. Posterior part of the hard palate

c. In mandible posterior to the 3rd molar

d. Anterior part of the hard palate

39 / 60

Specialized cells stem from:

a. Basement membrane

b. Granular layer

c. Basal layer and prickle cell layer

d. Cornified layer

40 / 60

Partially keratinized papilla is?

a. Filliform

b. Circumvallate

c. Fungiform

d. Foliate

41 / 60

Labial and buccal miner salivary glands are:

a. Mixed

b. Purely mucous

c. Purely serous

d. All the answers in this question are incorrect

42 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type I and II collagen

b. Type I collagen

c. Type IV collagen

d. Type III collagen

43 / 60

Healthy line is represented in:

a. Free gingival groove.

b. Junction of the buccal and labial mucosa.

c. Mucogingival junction.

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

44 / 60

The parotid glands open through the :

a. Stensen’s duct

b. Bartholin’s duct

c. Wharton’s duct

d. Blandin’s duct

45 / 60

Epithelium of oral mucous membrane is?

a. Only parakeratinized

b. Non keratinized

c. Ortho,Para and nonkeratinized

d. Keratinized

46 / 60

Which of the following is true of the sulcular epithelium:

a. Is nonkeratinized.

b. Has submucosa.

c. Contain connective tissue papillae.

d. Consists of keratinized epithelium.

47 / 60

When do tonsils or adenoids need to be removed:

a. When a child is 5 years old

b. When a child is having learning problems

c. When a child is 10 years old

d. All the answers in this question are incorrect

48 / 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

49 / 60

A long with a sore throat and fever ,which of these can be a symptom of an adenoid infection:

a. Breathing mostly through the mouth, rather than through the nose

b. All the answers in this question are correct

c. Snoring during sleep

d. Ear infections that keep coming back

e. Noisy breathing while a wake

50 / 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

51 / 60

Which papillae are completely keratinized?

a. Foliate

b. Circumvallate

c. Filliform

d. Fungiform

52 / 60

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

a. Dermiod cyst

b. Dentigerous cyst

c. Follicular cyst

d. Ranula

53 / 60

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

a. Floor of the mouth.

b. Gingiva.

c. Alveolar mucosa.

d. Buccal mucosa.

54 / 60

The p^H of whole saliva is :

a. 6.7 – 7.4

b. 7.0 – 8.2

c. 3.0 – 5.6

d. 1.2 – 2.4

55 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and Bone

c. Epithelium and lamina propria

d. Epithelium and submucosa

56 / 60

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

a. Dental sac.

b. Vestibular lamina.

c. Reduced enamel epithelium & gingiva.

d. Enamel cuticle.

57 / 60

Displasia គឺជា៖

a. Disorder of cell in mitosis

b. Disorder of cell structure formation

c. Disorder of cell in migration

d. Disorder of cell distribution

58 / 60

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

a. Hard palate and gingiva

b. Gingiva and alveolar mucosa

c. Buccal and alveolar mucosa

d. Hard and soft palate

59 / 60

The oral mucosa ចែកចេញជា:

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

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

c. ពីរស្រទាប់ epithelium and connective tissue

d. បីស្រទាប់ epithelium, connective tissue and lamina propria

60 / 60

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

a. Occupational

b. Communicable

c. Congenital

d. Chronic

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត