Oral Histology Test

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Oral Histology Test

1 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type I collagen

b. Type I and II collagen

c. Type IV collagen

d. Type III collagen

2 / 60

Hyperplasia គឺជា៖

a. Decrease in size of an organ

b. Decrease in cell number of an organ

c. Increase in size of an organ or tissue

d. Increase in cell number of an organ or tissue

3 / 60

Superficial layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Orthokeratinized epithelium

c. Keratinized epithelium

d. Parakeratinized epithelium

4 / 60

The parotid glands open through the :

a. Blandin’s duct

b. Bartholin’s duct

c. Wharton’s duct

d. Stensen’s duct

5 / 60

Taste buds are not found on:

a. Circumvallate papillae.

b. Filliform papillae.

c. Fungiform papillae.

d. Foliate papillae.

6 / 60

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

a. Keratinocytes

b. Myoepithelial cell

c. Melanocytes

d. Mast cells

7 / 60

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

a. Tonofibrils.

b. Keratohyaline granules.

c. Membrane coating granules.

d. Ribosomes.

8 / 60

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

a. Granular cell layer

b. Basal cells and parabasal spinous cslls

c. Spinous cells and granular cells

d. Basal cell layer

9 / 60

Basement membrane នៅចន្លោះ:

a. Lamina propria and submucosa

b. Epithelium and submucosa

c. Epithelium and Bone

d. Epithelium and lamina propria

10 / 60

Lumen is:

a. a central opening of a tooth

b. a central opening of a gland

c. a cental opening of an acini

d. a central opening of an oral cavity

11 / 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

12 / 60

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

a. Submandibular and Sublingual

b. Submandibular and Parotid

c. Von Ebner

d. Sublingual and Parotid

13 / 60

Specialized cells stem from:

a. Basal layer and prickle cell layer

b. Cornified layer

c. Basement membrane

d. Granular layer

14 / 60

The floor of the mouth is lined by:

a. Linning mucosa firmly attached.

b. Linning mucosa loosely attached.

c. Masticatory mucosa.

d. Specialized mucosa.

15 / 60

What is the end of an axon called:

a. Ganglion

b. Terminal bouton

c. Perikaryon

d. Astrocyte

16 / 60

Striated duct is:

a. a duct from a salivery gland

b. a duct from intercalated ducts

c. a duct from a system duct

d. a duct from a submandibular gland

17 / 60

Which these may be a symptom of tonsillitis:

a. Swollen lymph nodes in the neck

b. All the answers in this question are correct

c. Sore throat

d. Fever

e. Bad breath

18 / 60

The most important indication of malignant lesion is?

a. Tooth resorption

b. Teeth movement

c. Paresthesia

d. Pain

19 / 60

The parotid gland opens :

a. On the floor of the mouth

b. At the side of the lingual frenum

c. On the buccal mucosa opposite the maxillary second molar

d. At the caruncular

20 / 60

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

a. II

b. IV

c. III

d. I

21 / 60

The structure of the oral mucosa is:

a. Mucosa & submucosa.

b. Epithelium and basement membrane.

c. Epithelium, lamina propria and basement membrane.

d. Epithelium, lamina propria and muscular layer.

22 / 60

Granular cell tumors of the adult is commonly seen on?

a. Gingiva

b. Lower lip

c. Upper lip

d. Tongue

23 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Lining or granular

b. Squamous cuboidal or columnar

c. Simple or stratified

d. Keratinized or not keratinized

24 / 60

Which of the following is not found in saliva :

a. Bicarbonate

b. Triypsine

c. Lysozyme

d. Phosphate

25 / 60

Which of the following is found in the cerebellum:

a. Neuroglia

b. Ganglion

c. Schwann cells

d. Basket cells

26 / 60

Parasites are types of:

a. Disease

b. Nonpathogenic bacteria

c. Pathogenic bacteria

d. Pathogenic virus

27 / 60

Secialized cells migrate:

a. to basement membrane

b. to the upper layers

c. to the lower layer

d. to lamina propria

28 / 60

Healthy line is represented in:

a. Free gingival groove.

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

c. Junction of the buccal and labial mucosa.

d. Mucogingival junction.

29 / 60

Specialized cells stem from

a. Basal layer and prickle cell layer

b. Basement membrane

c. Cornified layer

d. Granular layer

30 / 60

Each taste bud has————-that pick up signals from the foods we eat:

a. A sticky top

b. Tiny hairs

c. All the answers in this question are correct

d. A hard shell

31 / 60

Sublingual glands is a :

a. Mixed glands

b. Mucous gland

c. Present in root of the tongue

d. Serous gland

32 / 60

Wharton’s duct drains the:

a. Lacrimal gland

b. Parotid

c. Pancreas

d. Submandibular gland

33 / 60

Salivary glands are not found in :

a. Nasopalatine canal

b. Posterior part of the hard palate

c. Anterior part of the hard palate

d. In mandible posterior to the 3rd molar

34 / 60

How are infections of the tonsils or adenoids usually treat:

a. Acetaminophen

b. All the answers in this question are incorrect

c. Antibiotic

d. Aspirin

35 / 60

Wharton’s duct is of:

a. Sub-lingual gland

b. Minor gland

c. Parotide gland

d. Sub-mandibular gland

36 / 60

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

a. Filliform.

b. Vallate.

c. Fungiform.

d. Foliate.

37 / 60

Color of the normal gingiva is?

a. Pink

b. Coral pink

c. All the answers in this question are incorrect

d. Red

38 / 60

Supporting cells of taste buds are called as?

a. Taste cells

b. Von Ebner cells

c. Acini

d. Sustenticular cells

39 / 60

Von Ebner’s salivary gland is:

a. Sub-lingual gland

b. Parotide gland

c. Sub-mandibular gland

d. Minor gland

40 / 60

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

a. Submandibular glands

b. All the answers in this question are incorrect

c. Parotid glands

d. Sublingual glands

41 / 60

Atrophy is?

a. Acute inflammation

b. Lack of oxygen for cells

c. Chronic inflammation

d. Lack of nutrition for cells

42 / 60

What do your tonsils and adenoids do:

a. They help your nose with the sense of smell

b. They don’t do anything

c. They are part of your immune system

d. All the answers in this question are incorrect

43 / 60

Disease in plant or animal tissue is caused by:

a. Pathogenic bacteria

b. Acidophilus

c. Saprophytes

d. Nonpathogenic bacteria

44 / 60

The mucosa of the dorsal surface of the tongue is:

a. Masticatory mucosa.

b. Spesialized mucosa.

c. Smooth surface.

d. Linning mucosa.

45 / 60

Which of the following conditions present as complete vesicle?

a. Aphthous ulcer

b. Pyostomatitis

c. Dermatitis

d. Pemphigus

46 / 60

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

a. Ranula

b. Follicular cyst

c. Dermiod cyst

d. Dentigerous cyst

47 / 60

Cornified layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Orthokeratinized epithelium

c. Parakeratinized epithelium

d. Keratinized epithelium

48 / 60

Endothelium and mesothelium form cellular membranes which have the same histologic structure as?

a. Simple squamous epithelium

b. Stratified squamous epithelium

c. Simple columnar epithelium

d. Stratified cuboidal epithelium

49 / 60

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

a. Top

b. Back

c. Tip and sides

d. Underneath

50 / 60

The sweet taste come from:

a. All the answers in this question are correct

b. Alcohols

c. Sugars

d. Amino acids

51 / 60

The mushroom shaped papillae on the tongue are called:

a. Circumvallate

b. Filliform

c. Fungiform

d. Foliate

52 / 60

Hypertrophy is?

a. Increase in size of an organ

b. Decrease in cell number of an organ

c. Increase in cell number of an organ

d. Decrease in size of an organ

53 / 60

Circumvallate papillae are supplied by?

a. Lingual nerve

b. Glossopharyngeal nerve

c. Vagus

d. Hypoglossal nerve

54 / 60

Which of the following is true of the attachment epithelium?:

a. Can migrate coronally.

b. Its coronal end is found at the bottom of the gingival sulcus.

c. Is impermeable to dyes and fluids.

d. Its apical migration is the major causative factor in active eruption.

55 / 60

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

a. Stratum granulosum.

b. The tonofilaments.

c. Prickle cell layer.

d. Basal cell layer.

56 / 60

Merkel cells are found in which of the following tissue?

a. Epidermis

b. Reticular of dermis

c. Hypodermis

d. Papillary layer of dermis

57 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

b. នៅលើ Pharynx

c. នៅលើ Palate

d. នៅលើ Larynx

58 / 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. Folliate.

b. Filliform.

c. Fungiform.

d. Circumvallate.

59 / 60

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

a. All the answers in this question are incorrect

b. Parotid gland

c. Submandibular gland

d. Sublingual gland

60 / 60

The immunoglobulin present in saliva is :

a. IgE

b. IgM

c. IgA

d. IgG

Your score is

The average score is 0%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត