Oral Histology Test

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Oral Histology Test

1 / 60

The mucogingival junction is the junction of:

a. Alveolar mucosa and attached gingiva.

b. Sulcular epithelium & free gingiva.

c. Sulcular epithelium & free gingiva.

d. Palatine gingival & rougae zone.

2 / 60

Color of the normal gingiva is?

a. Red

b. Pink

c. All the answers in this question are incorrect

d. Coral pink

3 / 60

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

a. Floor of the mouth.

b. Buccal mucosa.

c. Alveolar mucosa.

d. Gingiva.

4 / 60

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

a. Fungiform.

b. Filliform.

c. Vallate.

d. Foliate.

5 / 60

Taste buds are in :

a. Hard palate

b. Teeth

c. Tongue

d. Soft palate

6 / 60

Bartholin’s duct is the name of :

a. Submandibular duct

b. Lacrimal duct

c. Parotid duct

d. Sublingual duct

7 / 60

Specialized cells stem from:

a. Basal layer and prickle cell layer

b. Granular layer

c. Cornified layer

d. Basement membrane

8 / 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

9 / 60

Hypertrophy គឺជា៖

a. Increase in size of an organ

b. Decrease in size of an organ

c. Decrease in cell number of an organ

d. Increase in cell number of an organ

10 / 60

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

a. Sublingual glands

b. Submandibular glands

c. Parotid glands

d. All the answers in this question are incorrect

11 / 60

Intercalated duct is :

a. a duct from a paritide gland

b. a duct from a salivery gland

c. a duct from acinus

d. a duct from a lumen

12 / 60

The tonsillar lymph node is situated at the level of?

a. Clavicle

b. Angle of the mandible

c. Jugulodigastric crossing

d. Vertebrae

13 / 60

Inflammation of the lips is refered to as?

a. Glossitis migrican

b. Stomatitis

c. Cheilitis

d. Vincent angina

14 / 60

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

a. Tip and sides

b. Back

c. Underneath

d. Top

15 / 60

When do tonsils or adenoids need to be removed:

a. When a child is having learning problems

b. All the answers in this question are incorrect

c. When a child is 5 years old

d. When a child is 10 years old

16 / 60

Keratohyaline granules in epithelial cells of keratinized mucosa are associated with:

a. Stratum granulosum.

b. Prickle cell layer.

c. Basal cell layer.

d. The tonofilaments.

17 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Bacteria

b. Cilia

c. Fungi

d. Viruses

18 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅលើ Larynx

19 / 60

Granular cell myoblastoma of tongue is?

a. Developmental anomaly of the tongue.

b. Lymphatic enlargement of the tongue

c. Malignant tumor of the tongue

d. Benign tumor

20 / 60

Saliva is secreted by:

a. Major salivary glands

b. Major and minor salivary glands

c. Minor salivary glands

d. Parotid glands

21 / 60

B-cells ( lumphocytes ) can?

a. Give rise to plasma cells

b. Kill other cells

c. Suppress T-cells

d. Secrete interferon

22 / 60

Displasia គឺជា៖

a. Disorder of cell in mitosis

b. Disorder of cell in migration

c. Disorder of cell distribution

d. Disorder of cell structure formation

23 / 60

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

a. Thichness of oral epithelium.

b. Epithelial keratinization.

c. Vascularity of the lamina propria.

d. Existance of high number of langerhans cells.

24 / 60

The ducts of glands opening into the floor of the mouth are :

a. Sublingual and Parotid

b. Submandibular and Parotid

c. Submandibular and Sublingual

d. Von Ebner

25 / 60

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

a. Circumvallate

b. Fungiform

c. Foliate

d. Filliform

26 / 60

Keratohyalin is found in the?

a. Hyalin cartilage

b. Stratum granulosum

c. Stratum reticularis

d. Stratum corneum

27 / 60

What is the end of an axon called:

a. Astrocyte

b. Terminal bouton

c. Ganglion

d. Perikaryon

28 / 60

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

a. Sublingual gland

b. Submandibular gland

c. All the answers in this question are incorrect

d. Parotid gland

29 / 60

Diskeratosis is?

a. Precancerous state

b. Acute inflammation

c. Increasing in the number of cells

d. Chronic inflammation

30 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Pharynx

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Palate

31 / 60

Keratohyalin granules are present in:

a. Basal layer and prickle cell layer

b. Cornified layer

c. Basement membrane

d. Granular layer and prickle cell layer

32 / 60

Specialized cells migrate

a. to the lower layer

b. to the upper layers

c. to basement membrane

d. to lamina propria

33 / 60

How are infections of the tonsils or adenoids usually treat:

a. All the answers in this question are incorrect

b. Antibiotic

c. Aspirin

d. Acetaminophen

34 / 60

Myoepithelial cells are present in :

a. Striate duct

b. Intercalated duct and terminal duct

c. Serous cells

d. Mucous cells

35 / 60

Taste buds are in

a. Soft palate

b. Tongue

c. Hard palate

d. Teeth

36 / 60

Healthy line is represented in:

a. Junction of the buccal and labial mucosa.

b. Free gingival groove.

c. Mucogingival junction.

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

37 / 60

Salivary glands are not found in :

a. Nasopalatine canal

b. In mandible posterior to the 3rd molar

c. Posterior part of the hard palate

d. Anterior part of the hard palate

38 / 60

Stratum granulosum is not present in?

a. Hyper orthokeratosis

b. Non keratinized epithelium

c. Sulcular epithelium

d. Hyper parakeratosis

39 / 60

Bartholin’s duct is of:

a. Sub-mandibular gland

b. Parotide gland

c. Minor gland

d. Sub-lingual gland

40 / 60

The humans, the lining epithelium of the esophagus is?

a. Stratified squamous, non-keratinized

b. Stratified squamous, keratinized

c. Transitional

d. Simple columnar

41 / 60

The most common malignancy found in the oral cavity is :

a. Squamous cell carcinoma

b. Basal cell carcinoma

c. Transitional cell carcinoma

d. Adenocarcinoma

42 / 60

The mucosa of the dorsal surface of the tongue is:

a. Linning mucosa.

b. Smooth surface.

c. Spesialized mucosa.

d. Masticatory mucosa.

43 / 60

The floor of the mouth is lined by:

a. Linning mucosa loosely attached.

b. Specialized mucosa.

c. Masticatory mucosa.

d. Linning mucosa firmly attached.

44 / 60

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

a. Buccal and alveolar mucosa

b. Gingiva and alveolar mucosa

c. Hard and soft palate

d. Hard palate and gingiva

45 / 60

The spirilla bacteria Trepnema pallida causes:

a. Tuberculosis

b. Pneumonia

c. Abscesses

d. Syphilis

46 / 60

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

a. Melanocyte

b. Lymphocyte

c. Merkel cell

d. Langerhans cell

47 / 60

Lumen is:

a. a central opening of an oral cavity

b. a central opening of a gland

c. a cental opening of an acini

d. a central opening of a tooth

48 / 60

Which of the following is true of the sulcular epithelium:

a. Is nonkeratinized.

b. Consists of keratinized epithelium.

c. Has submucosa.

d. Contain connective tissue papillae.

49 / 60

Masticatory mucosa is?

a. Non keratinized

b. Sub keratinized

c. Para keratinized

d. Ortho keratinized

50 / 60

The cells most frequently found in a granuloma are :

a. Neutrophil

b. Giant cells

c. Lymphocytes

d. Mast cells

51 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Tubal tonsil

b. Pharyngeal tonsil

c. All are corrects

d. Palatine tonsils and Lingual tonsil

52 / 60

Submandibular gland is supplied by:

a. Submandibular artery

b. Lingual artery

c. Inferior alveolar artery

d. Facial artery

53 / 60

Stenon’s duct is of:

a. Sub-lingual gland

b. Parotide gland

c. Minor gland

d. Sub-mandibular gland

54 / 60

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

a. Langerhans cell.

b. Lymphocyte.

c. Merkel cell.

d. Melanocyte.

55 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Pharyngeal tonsil

b. Palatine tonsils and Lingual tonsil

c. Tubal tonsil

d. All the answers in this question are correct

56 / 60

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

a. Plasma cell.

b. Osteoblasts.

c. Fibroblast.

d. Keratinocyte.

57 / 60

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

a. Fibroma

b. Adenoma

c. Hemangioma

d. Papilloma

58 / 60

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

a. Desmosomes.

b. Tonofilaments.

c. Keratohyaline granules.

d. Odland's bodies.

59 / 60

The p^H of whole saliva is :

a. 1.2 – 2.4

b. 6.7 – 7.4

c. 7.0 – 8.2

d. 3.0 – 5.6

60 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Simple or stratified

b. Squamous cuboidal or columnar

c. Lining or granular

d. Keratinized or not keratinized

Your score is

The average score is 0%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត