Oral Histology Test

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Oral Histology Test

1 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Veins

b. Connective Lymphatic vessels

c. Arteries

d. Capillary

2 / 60

The connective tissue of the gingiva is known as the?

a. Lamina propria

b. Fibroblasts

c. Dental cuticle

d. Lamina dura

3 / 60

Epithelium of oral mucous membrane is?

a. Keratinized

b. Only parakeratinized

c. Non keratinized

d. Ortho,Para and nonkeratinized

4 / 60

Excretory duct is

a. a duct from a parotide gland

b. a duct from a striated ducts

c. a duct from a submandibular gland

d. a duct from a sublimgual gland

5 / 60

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

a. Staphylococci

b. Bacilli

c. Diplococci

d. Streptococci

6 / 60

The buccal mucosa:

a. Is continuous with the gingival mucosa.

b. Has a keratinized epithelium.

c. Has numerous connective tissue papillae.

d. It is firmly attached to the underlying tissues.

7 / 60

Hypertrophy is?

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

8 / 60

Submandibular gland is supplied by:

a. Facial artery

b. Lingual artery

c. Inferior alveolar artery

d. Submandibular artery

9 / 60

Granular cell tumors of the adult is commonly seen on?

a. Gingiva

b. Tongue

c. Lower lip

d. Upper lip

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Specialized cells stem from

a. Granular layer

b. Basal layer and prickle cell layer

c. Basement membrane

d. Cornified layer

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Soft palate is?

a. Looser anterior portion of the palate

b. Anterior pillar of tonsils

c. Looser posterior portion of the palate

d. Posterior pillar of tonsils

12 / 60

Saliva is secreted by:

a. Parotid glands

b. Major salivary glands

c. Major and minor salivary glands

d. Minor salivary glands

13 / 60

Secialized cells migrate:

a. to the upper layers

b. to basement membrane

c. to the lower layer

d. to lamina propria

14 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. ចន្លោះ anterior pillar and posterior pillar

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. នៅលើ Palate

15 / 60

Specialized cells stem from:

a. Basal layer and prickle cell layer

b. Granular layer

c. Cornified layer

d. Basement membrane

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

a. Epithelial keratinization.

b. Existance of high number of langerhans cells.

c. Thichness of oral epithelium.

d. Vascularity of the lamina propria.

17 / 60

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

a. Foliate.

b. Vallate.

c. Filliform.

d. Fungiform.

18 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Has long epithelial ridges.

c. Is nonkeratinized.

d. Is keratinized.

19 / 60

The mucous membrane of cheek and lips?

a. It attached to orbicularis oris in lips

b. It attached to buccinators muscle in cheek

c. All the answers in this question are incorrect

d. A and B are correct

20 / 60

Masticatory mucosa has:

a. Elastic fibers in its blood vessels wall.

b. Elastic fibers in its lamina propria.

c. No connective tissue papillae.

d. Stratum corneum.

21 / 60

Von Ebner’s salivary gland is:

a. Parotide gland

b. Sub-lingual gland

c. Sub-mandibular gland

d. Minor gland

22 / 60

Wharton’s duct drains the:

a. Pancreas

b. Lacrimal gland

c. Submandibular gland

d. Parotid

23 / 60

Inflammation of the lips is refered to as?

a. Stomatitis

b. Glossitis migrican

c. Vincent angina

d. Cheilitis

24 / 60

Hyperkeratosis is:

a. Increase in longevity of keratin layer or stratum corneum

b. Increase in wideness of keratin layer or stratum corneum

c. Increase in thickness of keratin layer or stratum corneum

d. Increase in size of keratin layer or stratum corneum

25 / 60

Cornified layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Parakeratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

26 / 60

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

a. Parotid gland

b. All the answers in this question are incorrect

c. Submandibular gland

d. Sublingual gland

27 / 60

Sublingual glands is a :

a. Mucous gland

b. Mixed glands

c. Serous gland

d. Present in root of the tongue

28 / 60

Masticatory mucosa is?

a. Ortho keratinized

b. Sub keratinized

c. Non keratinized

d. Para keratinized

29 / 60

Function of acini is:

a. to produce histamine

b. to produce gastric acid

c. to produce saliva

d. to produce hormone

30 / 60

Taste buds are not found on:

a. Filliform papillae.

b. Fungiform papillae.

c. Foliate papillae.

d. Circumvallate papillae.

31 / 60

Minor salivary glands are present in the submucosa throughout the oral mucosa except the?

a. Retromolar area and hard palate

b. Lip and posterior third of the hard palate

c. Gingiva and anterior part of hard palate

d. Tongue and soft palate

32 / 60

Healthy line is represented in:

a. Mucogingival junction.

b. Junction of the buccal and labial mucosa.

c. Free gingival groove.

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

33 / 60

Keratohyaline granules are more evident in?

a. Keratinized

b. Non keratinized

c. Para keratinized

d. Ortho keratinized

34 / 60

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

a. Stratum granulosum.

b. Prickle cell layer.

c. The tonofilaments.

d. Basal cell layer.

35 / 60

Which of the following regions has a nonkeratinized epithelium and is loosely attached to the underlying structures?:

a. Buccal mucosa.

b. Vestibular fornix.

c. Attached gingiva.

d. Hard palate.

36 / 60

What is a secretory cell in oral cavity:

a. Cell producing gastric acid

b. Cell producing hormone

c. Cell producing saliva

d. Cell producing histamine

37 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. No tonofilaments are found in it.

b. Contain a higher glycogen content.

c. It contains granular cell layer.

d. It does not contain basal lamina.

38 / 60

Disease in plant or animal tissue is caused by:

a. Saprophytes

b. Nonpathogenic bacteria

c. Acidophilus

d. Pathogenic bacteria

39 / 60

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

a. Odland's bodies.

b. Desmosomes.

c. Keratohyaline granules.

d. Tonofilaments.

40 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. All the answers in this question are correct

b. Tubal tonsil

c. Pharyngeal tonsil

d. Palatine tonsils and Lingual tonsil

41 / 60

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

a. Lymphocyte

b. Merkel cell

c. Melanocyte

d. Langerhans cell

42 / 60

Intermediate layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Keratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

43 / 60

The mucogingival junction is the junction of:

a. Sulcular epithelium & free gingiva.

b. Sulcular epithelium & free gingiva.

c. Alveolar mucosa and attached gingiva.

d. Palatine gingival & rougae zone.

44 / 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

45 / 60

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

a. All the answers in this question are incorrect

b. Behind the nose and roof of the mouth

c. In the ears

d. Under the tongue

46 / 60

Keratohyalin granules are present in:

a. Basement membrane

b. Basal layer and prickle cell layer

c. Cornified layer

d. Granular layer and prickle cell layer

47 / 60

When do tonsils or adenoids need to be removed:

a. When a child is 5 years old

b. When a child is 10 years old

c. All the answers in this question are incorrect

d. When a child is having learning problems

48 / 60

Bartholin’s duct drains the:

a. Submandibular gland

b. Lacrimal gland

c. Parotid

d. Sublingual gland

49 / 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

50 / 60

The vermilion border requires frequent moistening because?

a. It contains less number of sweat glands

b. It contains more of sebaceous glands

c. It contains less number of sebaceous glands

d. It contains more of sweat glands

51 / 60

Larges amount of saliva is produced by :

a. Sublingual glands

b. Parotid glands

c. Submandibular glands

d. Von Ebner glands

52 / 60

A sign of bacterial infection is:

a. Parasites

b. A cold

c. Pus

d. Bleeding

53 / 60

The most common cell in connective tissue proper is the?

a. Mast cell

b. Fibroblast

c. Lymphocyte

d. Macrophage

54 / 60

Striated duct is:

a. a duct from intercalated ducts

b. a duct from a system duct

c. a duct from a submandibular gland

d. a duct from a salivery gland

55 / 60

Superficial layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Keratinized epithelium

c. Parakeratinized epithelium

d. Nonkeratinized epithelium

56 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅលើ Larynx

57 / 60

Technical term for bacteria that live on dead matter is:

a. Flagella

b. Viruses

c. Parasites

d. Saprophytes

58 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Mucosa of the floor of the mouth.

b. Free gingiva.

c. Attached gingiva.

d. Palatal mucosa.

59 / 60

Merkel cells are found in which of the following tissue?

a. Reticular of dermis

b. Papillary layer of dermis

c. Epidermis

d. Hypodermis

60 / 60

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

a. Ribosomes.

b. Keratohyaline granules.

c. Membrane coating granules.

d. Tonofibrils.

Your score is

The average score is 78%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត