Oral Histology Test

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Oral Histology Test

1 / 60

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

a. Facial nerve.

b. Chorda tympani.

c. Glossopharyngeal nerve.

d. Trigeminal nerve.

2 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum spinosum cells

b. Swelling in intracellular space destroying desmosome in stratum spinosum cells

c. Destroying desmosome in stratum granulosome cells

d. Destroying desmosome in stratum basal cells

3 / 60

Specialized cells stem from

a. Cornified layer

b. Granular layer

c. Basal layer and prickle cell layer

d. Basement membrane

4 / 60

Excretory duct is

a. a duct from a sublimgual gland

b. a duct from a parotide gland

c. a duct from a submandibular gland

d. a duct from a striated ducts

5 / 60

The sulcular epithelium:

a. Has long epithelial ridges.

b. Is nonkeratinized.

c. Has thick epithelial layer.

d. Is keratinized.

6 / 60

Intercalated duct is :

a. a duct from a paritide gland

b. a duct from a lumen

c. a duct from a salivery gland

d. a duct from acinus

7 / 60

Normal
0

false
false
false

EN-US
JA
KHM

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Fungiform papillae:

a. Have a stratum corneum.

b. Have a lamina propria which is poorly vascularized.

c. Are seen as white spots.

d. Carry taste buds.

8 / 60

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

a. Prickle cell layer.

b. Stratum granulosum.

c. Basal cell layer.

d. The tonofilaments.

9 / 60

Hyperplasia គឺជា៖

a. Decrease in size of an organ

b. Increase in size of an organ or tissue

c. Increase in cell number of an organ or tissue

d. Decrease in cell number of an organ

10 / 60

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

a. Circumvallate

b. Fungiform

c. Foliate

d. Filliform

11 / 60

The normal P^Hof saliva is about :

a. 5.5

b. 7.5

c. 8.5

d. 9.5

12 / 60

Non keratinized epithelium is found over?

a. Attached gingiva

b. Gingival sulcus

c. Interdental papilla

d. Free gingiva

13 / 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 coronal end corresponds to the bottom of the gingival sulcus.

c. Its epithelial cells are keratinized stratified squamous.

d. It shifts apically with age.

14 / 60

Masticatory mucosa in the oral cavity covers the?

a. Floor of the mouth and soft palate

b. Gingiva and hard palate

c. Alveolar mucosa and vestibular fornix

d. Lip and cheek

15 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Glucose

b. ច្រោះ Lipids

c. ច្រោះ Toxic products

d. ច្រោះ Proteins

16 / 60

A node of Ranvier is?

a. A constriction of the axon

b. A nerve receptor

c. Characteristic of unmyelinated fibers

d. A junction between two schwann cells

17 / 60

Disease in plant or animal tissue is caused by:

a. Pathogenic bacteria

b. Nonpathogenic bacteria

c. Acidophilus

d. Saprophytes

18 / 60

Bartholin’s duct is the name of :

a. Sublingual duct

b. Lacrimal duct

c. Parotid duct

d. Submandibular duct

19 / 60

Bulla:

a. Large vesicles that are confluent

b. Vesicle

c. large pustule

d. large lesion

20 / 60

Labial and buccal miner salivary glands are:

a. Purely serous

b. All the answers in this question are incorrect

c. Purely mucous

d. Mixed

21 / 60

The vermilion border requires frequent moistening because?

a. It contains more of sebaceous glands

b. It contains less number of sebaceous glands

c. It contains less number of sweat glands

d. It contains more of sweat glands

22 / 60

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

a. Follicular cyst

b. Dentigerous cyst

c. Ranula

d. Dermoid cyst

23 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Stensen’s duct

c. Blandin’s duct

d. Wharton’s duct

24 / 60

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

a. Keratohyaline granules.

b. Glycogen contents.

c. Desmosomes.

d. Lysosomes.

25 / 60

Glands emptying the circumvalate trough are the:

a. Mucous and serous mixed glands.

b. Glands of Nuhn.

c. Mucous glands.

d. Serous glands.

26 / 60

Diskeratosis is?

a. Increasing in the number of cells

b. Precancerous state

c. Acute inflammation

d. Chronic inflammation

27 / 60

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

a. III

b. IV

c. I

d. II

28 / 60

Displasia គឺជា៖

a. Disorder of cell structure formation

b. Disorder of cell in mitosis

c. Disorder of cell in migration

d. Disorder of cell distribution

29 / 60

How are infections of the tonsils or adenoids usually treat:

a. Aspirin

b. All the answers in this question are incorrect

c. Acetaminophen

d. Antibiotic

30 / 60

Which of the following conditions present as complete vesicle?

a. Dermatitis

b. Aphthous ulcer

c. Pemphigus

d. Pyostomatitis

31 / 60

Basement membrane?

a. Contains lamina lucida and lamina dura

b. Consists of desmosomes and hemidesmosomes

c. Consists lurati hyaline granules

d. Consists of lamina densa and lamina lucida

32 / 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.

33 / 60

Stenon’s duct is of:

a. Minor gland

b. Sub-lingual gland

c. Sub-mandibular gland

d. Parotide gland

34 / 60

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

a. Lacrimal gland

b. Von Ebner’s gland

c. Sublingual gland

d. Submandibular gland

35 / 60

Keratohyaline granules are more evident in?

a. Keratinized

b. Ortho keratinized

c. Para keratinized

d. Non keratinized

36 / 60

Which of the following is purely mucous :

a. All the answers in this question are correct

b. Palatine glands

c. Glossopalatine glands

d. Posterior lingual mucous glands

37 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Free gingiva.

b. Mucosa of the floor of the mouth.

c. Attached gingiva.

d. Palatal mucosa.

38 / 60

The mucous membrane of cheek and lips?

a. A and B are correct

b. All the answers in this question are incorrect

c. It attached to orbicularis oris in lips

d. It attached to buccinators muscle in cheek

39 / 60

Circumvallate papillae are supplied by?

a. Lingual nerve

b. Hypoglossal nerve

c. Vagus

d. Glossopharyngeal nerve

40 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Veins

b. Capillary

c. Connective Lymphatic vessels

d. Arteries

41 / 60

The basket cells are also known as :

a. Myoepithelial cells

b. Endothelial cells

c. Parenchymal cells

d. All the answers in this question are incorrect

42 / 60

The thinnest epithelium of oral cavity is found in the?

a. Sublingual mucosa (floor of mouth)

b. Oral surface of lip

c. Buccal gingiva

d. Lingual gingiva

43 / 60

The immunoglobulin present in saliva is :

a. IgG

b. IgE

c. IgM

d. IgA

44 / 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. Ear infections that keep coming back

d. Noisy breathing while a wake

e. Snoring during sleep

45 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Pharynx

b. ចន្លោះ anterior pillar and posterior pillar

c. នៅលើ Palate

d. នៅលើ Larynx

46 / 60

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

a. Hard and soft palate

b. Hard palate and gingiva

c. Buccal and alveolar mucosa

d. Gingiva and alveolar mucosa

47 / 60

What do your tonsils and adenoids do:

a. They are part of your immune system

b. All the answers in this question are incorrect

c. They don’t do anything

d. They help your nose with the sense of smell

48 / 60

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

a. Desmosomes.

b. Keratohyaline granules.

c. Odland's bodies.

d. Tonofilaments.

49 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

c. នៅលើ Pharynx

d. នៅលើ Palate

50 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and lamina propria

b. Epithelium and Bone

c. Epithelium and submucosa

d. Lamina propria and submucosa

51 / 60

Lumen is:

a. a cental opening of an acini

b. a central opening of a gland

c. a central opening of a tooth

d. a central opening of an oral cavity

52 / 60

Cornified layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Parakeratinized epithelium

c. Nonkeratinized epithelium

d. Keratinized epithelium

53 / 60

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

a. Congenital

b. Chronic

c. Communicable

d. Occupational

54 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. Contain a higher glycogen content.

b. It contains granular cell layer.

c. It does not contain basal lamina.

d. No tonofilaments are found in it.

55 / 60

What is the end of an axon called:

a. Perikaryon

b. Astrocyte

c. Terminal bouton

d. Ganglion

56 / 60

Atrophy is?

a. Lack of nutrition for cells

b. Acute inflammation

c. Lack of oxygen for cells

d. Chronic inflammation

57 / 60

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

a. Submandibular and Sublingual

b. Sublingual and Parotid

c. Von Ebner

d. Submandibular and Parotid

58 / 60

Merkel cells are found in which of the following tissue?

a. Reticular of dermis

b. Hypodermis

c. Papillary layer of dermis

d. Epidermis

59 / 60

Soft palate is?

a. Posterior pillar of tonsils

b. Looser posterior portion of the palate

c. Anterior pillar of tonsils

d. Looser anterior portion of the palate

60 / 60

The papillae lined up in the back of the tongue are called:

a. Fungiform

b. Foliate

c. Circumvallate

d. Filliform

Your score is

The average score is 78%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត