Oral Histology Test

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Oral Histology Test

1 / 60

The tonsillar lymph node is situated at the level of?

a. Clavicle

b. Jugulodigastric crossing

c. Vertebrae

d. Angle of the mandible

2 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Glucose

b. ច្រោះ Toxic products

c. ច្រោះ Proteins

d. ច្រោះ Lipids

3 / 60

Bulk of lamina propria of the gingiva is made of collagen type?

a. II

b. IV

c. I

d. III

4 / 60

Labial and buccal miner salivary glands are:

a. Mixed

b. All the answers in this question are incorrect

c. Purely mucous

d. Purely serous

5 / 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. A and B are correct

d. It attached to buccinators muscle in cheek

6 / 60

Partially keratinized papilla is?

a. Fungiform

b. Filliform

c. Circumvallate

d. Foliate

7 / 60

The mode of attachment of the junctional epithelium is:

a. Basal lamina & hemidesmosome.

b. Odland's bodies.

c. Basement membrane.

d. Enamel cuticle.

8 / 60

In the tongue bitter taste is more perceived at?

a. Tip

b. Sides

c. Back

d. Front

9 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Has long epithelial ridges.

c. Is nonkeratinized.

d. Is keratinized.

10 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Larynx

c. នៅលើ Pharynx

d. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

11 / 60

Diskeratosis is?

a. Acute inflammation

b. Chronic inflammation

c. Increasing in the number of cells

d. Precancerous state

12 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and lamina propria

b. Epithelium and submucosa

c. Epithelium and Bone

d. Lamina propria and submucosa

13 / 60

Bulla

a. large pustule

b. Vesicle

c. Large vesicles that are confluent

d. large lesion

14 / 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. Tonofibrils.

d. Membrane coating granules.

15 / 60

Superficial layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Keratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

16 / 60

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

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

b. Its epithelial cells are keratinized stratified squamous.

c. It shifts apically with age.

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

17 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Attached gingiva.

b. Palatal mucosa.

c. Mucosa of the floor of the mouth.

d. Free gingiva.

18 / 60

Keratohyaline granules are found in?

a. Stratum basale

b. Stratum spinosum

c. Prickle cell layer

d. Stratum granulosum

19 / 60

Intercalated duct is :

a. a duct from a lumen

b. a duct from a salivery gland

c. a duct from acinus

d. a duct from a paritide gland

20 / 60

Diskeratosis គឺជាៈ

a. Abnormality of structure and development of epithelial cells.

b. Abnormality of migration and cells mitosis.

c. Abnormality of orientation and development of epithelial cells.

d. Abnormality of orientation and cells mitosis.

21 / 60

The gland’s present in between the muscle fibres of the tongue below vallate papillae are:

a. Von Ebner’s gland

b. Submandibular gland

c. Lacrimal gland

d. Sublingual gland

22 / 60

Hypertrophy គឺជា៖

a. Increase in cell number of an organ

b. Decrease in size of an organ

c. Increase in size of an organ

d. Decrease in cell number of an organ

23 / 60

Bulla:

a. Large vesicles that are confluent

b. large pustule

c. Vesicle

d. large lesion

24 / 60

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

a. Ranula

b. Follicular cyst

c. Dentigerous cyst

d. Dermoid cyst

25 / 60

Which of the following is found in the cerebellum:

a. Ganglion

b. Neuroglia

c. Basket cells

d. Schwann cells

26 / 60

Excretory duct is

a. a duct from a parotide gland

b. a duct from a striated ducts

c. a duct from a sublimgual gland

d. a duct from a submandibular gland

27 / 60

The immunoglobulin present in saliva is :

a. IgE

b. IgM

c. IgA

d. IgG

28 / 60

Epithelium of oral mucous membrane is?

a. Keratinized

b. Only parakeratinized

c. Non keratinized

d. Ortho,Para and nonkeratinized

29 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

30 / 60

Pus forming bacteria that cause strep throat and blood poisoning are:

a. Staphylococci

b. Streptococci

c. Diplococci

d. Bacilli

31 / 60

Masticatory mucosa has:

a. Elastic fibers in its lamina propria.

b. Elastic fibers in its blood vessels wall.

c. Stratum corneum.

d. No connective tissue papillae.

32 / 60

Larges amount of saliva is produced by :

a. Submandibular glands

b. Sublingual glands

c. Parotid glands

d. Von Ebner glands

33 / 60

The mucosa of the dorsal surface of the tongue is:

a. Linning mucosa.

b. Smooth surface.

c. Masticatory mucosa.

d. Spesialized mucosa.

34 / 60

Function of acini is:

a. to produce histamine

b. to produce hormone

c. to produce saliva

d. to produce gastric acid

35 / 60

The connective tissue of the gingiva is known as the?

a. Lamina dura

b. Lamina propria

c. Fibroblasts

d. Dental cuticle

36 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. នៅលើ Palate

37 / 60

The oral mucosa ចែកចេញជា:

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

b. ពីរស្រទាប់ epithelium and connective tissue

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

d. បីស្រទាប់ epithelium, connective tissue and lamina propria

38 / 60

Buccal mucosa is?

a. Ortho keratinized

b. Keratinized

c. Para keratinized

d. Non- keratinized

39 / 60

Salivary glands are not found in :

a. In mandible posterior to the 3rd molar

b. Anterior part of the hard palate

c. Posterior part of the hard palate

d. Nasopalatine canal

40 / 60

How many neurones are in the body of man:

a. 10,000,000,000,000

b. 10,000,000

c. 10,000

d. 10,000,000,000

41 / 60

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

a. Roof of the soft plate

b. Tongue

c. Oropharynx

d. Lips

42 / 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. Filliform.

b. Circumvallate.

c. Fungiform.

d. Folliate.

43 / 60

The taste buds are rubbed off and replaced every:

a. 30 days

b. 7-10 days

c. Year

d. Day

44 / 60

A node of Ranvier is?

a. A junction between two schwann cells

b. A constriction of the axon

c. Characteristic of unmyelinated fibers

d. A nerve receptor

45 / 60

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

a. Plasma cell.

b. Osteoblasts.

c. Fibroblast.

d. Keratinocyte.

46 / 60

Granular cell myoblastoma of tongue is?

a. Lymphatic enlargement of the tongue

b. Benign tumor

c. Malignant tumor of the tongue

d. Developmental anomaly of the tongue.

47 / 60

The normal P^Hof saliva is about :

a. 7.5

b. 8.5

c. 9.5

d. 5.5

48 / 60

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

a. Odland's bodies.

b. Desmosomes.

c. Keratohyaline granules.

d. Tonofilaments.

49 / 60

How are infections of the tonsils or adenoids usually treat:

a. Acetaminophen

b. Aspirin

c. Antibiotic

d. All the answers in this question are incorrect

50 / 60

The function of myoepithelial cells may be :

a. All the answers in this question are correct

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

c. Initiating contraction

d. Provide signals to the acinar secretory cells for structural reorganization

51 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Wharton’s duct

c. Stensen’s duct

d. Blandin’s duct

52 / 60

Keratohyaline granules are more evident in?

a. Non keratinized

b. Keratinized

c. Ortho keratinized

d. Para keratinized

53 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

b. នៅលើ Palate

c. នៅលើ Larynx

d. នៅលើ Pharynx

54 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. ចន្លោះ anterior pillar and posterior pillar

55 / 60

The mucogingival junction is the junction of:

a. Sulcular epithelium & free gingiva.

b. Sulcular epithelium & free gingiva.

c. Palatine gingival & rougae zone.

d. Alveolar mucosa and attached gingiva.

56 / 60

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

a. Behind the nose and roof of the mouth

b. Under the tongue

c. In the ears

d. All the answers in this question are incorrect

57 / 60

Which of the following is purely mucous :

a. Glossopalatine glands

b. All the answers in this question are correct

c. Palatine glands

d. Posterior lingual mucous glands

58 / 60

Which of the following is not found in saliva :

a. Lysozyme

b. Bicarbonate

c. Triypsine

d. Phosphate

59 / 60

The somatic nervous system is part of the:

a. Parasympathetic nervous system

b. Autonomic nervous system

c. Sympathetic nervous system

d. All the answers in this question are incorrect

60 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type IV collagen

b. Type I collagen

c. Type I and II collagen

d. Type III collagen

Your score is

The average score is 78%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត