Oral Histology Test

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Oral Histology Test

1 / 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.

2 / 60

How are infections of the tonsils or adenoids usually treat:

a. Acetaminophen

b. Aspirin

c. All the answers in this question are incorrect

d. Antibiotic

3 / 60

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

a. Staphylococci

b. Diplococci

c. Bacilli

d. Streptococci

4 / 60

Which of the following is found in the cerebellum:

a. Schwann cells

b. Basket cells

c. Ganglion

d. Neuroglia

5 / 60

Bartholin’s duct is the name of :

a. Parotid duct

b. Sublingual duct

c. Lacrimal duct

d. Submandibular duct

6 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and cells mitosis.

b. Abnormality of migration and cells mitosis.

c. Abnormality of orientation and development of epithelial cells.

d. Abnormality of structure and development of epithelial cells.

7 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

b. នៅលើ Larynx

c. នៅលើ Palate

d. នៅលើ Pharynx

8 / 60

Diskeratosis is?

a. Precancerous state

b. Increasing in the number of cells

c. Chronic inflammation

d. Acute inflammation

9 / 60

Inflammation of the lips is refered to as?

a. Stomatitis

b. Glossitis migrican

c. Cheilitis

d. Vincent angina

10 / 60

A sign of bacterial infection is:

a. Pus

b. A cold

c. Bleeding

d. Parasites

11 / 60

Striated duct is:

a. a duct from a system duct

b. a duct from intercalated ducts

c. a duct from a submandibular gland

d. a duct from a salivery gland

12 / 60

Excretory duct is

a. a duct from a parotide gland

b. a duct from a submandibular gland

c. a duct from a sublimgual gland

d. a duct from a striated ducts

13 / 60

Technical term for bacteria that live on dead matter is:

a. Saprophytes

b. Flagella

c. Parasites

d. Viruses

14 / 60

Keratohyaline granules are found in?

a. Stratum basale

b. Stratum granulosum

c. Stratum spinosum

d. Prickle cell layer

15 / 60

Vesicle គឺជា

a. ពងទឹកលាយខ្ទុះ

b. ពងទឹកលាយឈាម

c. ពងទឹក

d. ពងខ្ទុះ

16 / 60

The cells most frequently found in a granuloma are :

a. Lymphocytes

b. Mast cells

c. Giant cells

d. Neutrophil

17 / 60

Specialized cells migrate

a. to the upper layers

b. to basement membrane

c. to the lower layer

d. to lamina propria

18 / 60

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

a. Melanocyte.

b. Lymphocyte.

c. Langerhans cell.

d. Merkel cell.

19 / 60

Acantholysis គឺជាៈ

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

b. Destroying desmosome in stratum granulosome cells

c. Destroying desmosome in stratum spinosum cells

d. Destroying desmosome in stratum basal cells

20 / 60

Vesicle or Bullae of the mucous membrane or skin are seen in all the following except :

a. Herpes zoster

b. Herpes simplex

c. Pemphigus

d. A granulocytosis

21 / 60

The mushroom shaped papillae on the tongue are called:

a. Fungiform

b. Circumvallate

c. Foliate

d. Filliform

22 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

c. នៅលើ Larynx

d. នៅលើ Palate

23 / 60

Which these may be a symptom of tonsillitis:

a. Swollen lymph nodes in the neck

b. Sore throat

c. All the answers in this question are correct

d. Fever

e. Bad breath

24 / 60

The sweet taste come from:

a. All the answers in this question are correct

b. Amino acids

c. Alcohols

d. Sugars

25 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Viruses

b. Fungi

c. Bacteria

d. Cilia

26 / 60

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

a. Existance of high number of langerhans cells.

b. Thichness of oral epithelium.

c. Vascularity of the lamina propria.

d. Epithelial keratinization.

27 / 60

Sublingual glands is a :

a. Mucous gland

b. Serous gland

c. Mixed glands

d. Present in root of the tongue

28 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and lamina propria

b. Epithelium and submucosa

c. Lamina propria and submucosa

d. Epithelium and Bone

29 / 60

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

a. Desmosomes.

b. Keratohyaline granules.

c. Glycogen contents.

d. Lysosomes.

30 / 60

Atrophy is?

a. Chronic inflammation

b. Acute inflammation

c. Lack of oxygen for cells

d. Lack of nutrition for cells

31 / 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

32 / 60

Sulcular epithelium is formed of:

a. Parakeratinized stratified squamous epithelium.

b. Columnar epithelium.

c. Orthokeratinized stratified squamous epithelium.

d. Nonkeratinized stratified squamous epithelium.

33 / 60

The immunoglobulin present in saliva is :

a. IgG

b. IgE

c. IgA

d. IgM

34 / 60

Specialized cells stem from

a. Cornified layer

b. Basal layer and prickle cell layer

c. Basement membrane

d. Granular layer

35 / 60

Myoepithelial cell of an acini is:

a. kind of cell in a heart

b. kind of cell in a salivery gland

c. kind of cell in a tonsil

d. kind of contractile cell on an acini

36 / 60

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

a. Lip and posterior third of the hard palate

b. Retromolar area and hard palate

c. Gingiva and anterior part of hard palate

d. Tongue and soft palate

37 / 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

38 / 60

Which of the following is true of the sulcular epithelium:

a. Consists of keratinized epithelium.

b. Has submucosa.

c. Contain connective tissue papillae.

d. Is nonkeratinized.

39 / 60

The three laterally paired major salivary glands are located :

a. Extra orally

b. In neck

c. Intra orally

d. In tongue

40 / 60

The normal P^Hof saliva is about :

a. 9.5

b. 5.5

c. 7.5

d. 8.5

41 / 60

Masticatory mucosa in the oral cavity covers the?

a. Lip and cheek

b. Alveolar mucosa and vestibular fornix

c. Gingiva and hard palate

d. Floor of the mouth and soft palate

42 / 60

What is the end of an axon called:

a. Perikaryon

b. Terminal bouton

c. Astrocyte

d. Ganglion

43 / 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

44 / 60

Keratohyalin is found in the?

a. Stratum granulosum

b. Stratum corneum

c. Stratum reticularis

d. Hyalin cartilage

45 / 60

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

a. Tonofibrils.

b. Ribosomes.

c. Keratohyaline granules.

d. Membrane coating granules.

46 / 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.

47 / 60

Taste buds are in

a. Tongue

b. Soft palate

c. Hard palate

d. Teeth

48 / 60

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

a. Basal cells and parabasal spinous cslls

b. Spinous cells and granular cells

c. Basal cell layer

d. Granular cell layer

49 / 60

Bartholin’s duct is of:

a. Sub-lingual gland

b. Sub-mandibular gland

c. Parotide gland

d. Minor gland

50 / 60

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

a. Simple squamous epithelium

b. Stratified cuboidal epithelium

c. Stratified squamous epithelium

d. Simple columnar epithelium

51 / 60

Specialized cells stem from:

a. Basement membrane

b. Granular layer

c. Cornified layer

d. Basal layer and prickle cell layer

52 / 60

Hyperplasia គឺជា៖

a. Decrease in size of an organ

b. Increase in cell number of an organ or tissue

c. Increase in size of an organ or tissue

d. Decrease in cell number of an organ

53 / 60

Glands emptying the circumvalate trough are the:

a. Serous glands.

b. Mucous glands.

c. Glands of Nuhn.

d. Mucous and serous mixed glands.

54 / 60

The miner salivary glands begin their development in fetal life during :

a. 3rd month

b. 2nd month

c. 1st month

d. 4th month

55 / 60

Bulla

a. large lesion

b. large pustule

c. Large vesicles that are confluent

d. Vesicle

56 / 60

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

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

b. It shifts apically with age.

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

d. Its epithelial cells are keratinized stratified squamous.

57 / 60

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

a. I

b. IV

c. II

d. III

58 / 60

Difference between the skin and mucosa of cheek is?

a. Thick lamina propria on skin of cheek

b. Keratinized mucosa of cheek

c. Rete pegs

d. Thin lamina and non keratinized mucosa of cheek

59 / 60

B-cells ( lumphocytes ) can?

a. Suppress T-cells

b. Give rise to plasma cells

c. Secrete interferon

d. Kill other cells

60 / 60

Saliva is secreted by:

a. Major and minor salivary glands

b. Parotid glands

c. Major salivary glands

d. Minor salivary glands

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត