Oral Histology Test

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Oral Histology Test

1 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and lamina propria

c. Epithelium and Bone

d. Epithelium and submucosa

2 / 60

The peripheral nervous system includes the:

a. Somatic nervous system

b. Spinal cord

c. Brain

d. Nuclei

3 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Viruses

b. Bacteria

c. Cilia

d. Fungi

4 / 60

Bulla

a. Vesicle

b. large pustule

c. Large vesicles that are confluent

d. large lesion

5 / 60

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

a. Follicular cyst

b. Dermiod cyst

c. Ranula

d. Dentigerous cyst

6 / 60

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

a. Parotid glands

b. All the answers in this question are incorrect

c. Sublingual glands

d. Submandibular glands

7 / 60

What is the end of an axon called:

a. Ganglion

b. Perikaryon

c. Terminal bouton

d. Astrocyte

8 / 60

Bartholin’s duct is the name of :

a. Lacrimal duct

b. Submandibular duct

c. Sublingual duct

d. Parotid duct

9 / 60

Which of the following serves as a source of the cells which form the attachment epithelium?:

a. Vestibular lamina.

b. Reduced enamel epithelium & gingiva.

c. Enamel cuticle.

d. Dental sac.

10 / 60

Keratohyalin granules are present in:

a. Basal layer and prickle cell layer

b. Basement membrane

c. Granular layer and prickle cell layer

d. Cornified layer

11 / 60

Inflammation of the lips is refered to as?

a. Cheilitis

b. Glossitis migrican

c. Vincent angina

d. Stomatitis

12 / 60

B-cells ( lumphocytes ) can?

a. Suppress T-cells

b. Secrete interferon

c. Kill other cells

d. Give rise to plasma cells

13 / 60

Which of the following is found in the cerebellum:

a. Schwann cells

b. Ganglion

c. Neuroglia

d. Basket cells

14 / 60

Bulla:

a. Large vesicles that are confluent

b. large pustule

c. Vesicle

d. large lesion

15 / 60

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

a. Facial nerve.

b. Glossopharyngeal nerve.

c. Trigeminal nerve.

d. Chorda tympani.

16 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. It contains granular cell layer.

b. No tonofilaments are found in it.

c. It does not contain basal lamina.

d. Contain a higher glycogen content.

17 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Blandin’s duct

c. Wharton’s duct

d. Stensen’s duct

18 / 60

Diskeratosis is?

a. Chronic inflammation

b. Precancerous state

c. Increasing in the number of cells

d. Acute inflammation

19 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. ចន្លោះ anterior pillar and posterior pillar

d. នៅលើ Larynx

20 / 60

The mucogingival junction is the junction of:

a. Palatine gingival & rougae zone.

b. Alveolar mucosa and attached gingiva.

c. Sulcular epithelium & free gingiva.

d. Sulcular epithelium & free gingiva.

21 / 60

Buccal mucosa is?

a. Keratinized

b. Para keratinized

c. Non- keratinized

d. Ortho keratinized

22 / 60

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

a. Sublingual gland

b. Submandibular gland

c. Parotid gland

d. All the answers in this question are incorrect

23 / 60

Von Ebner’s salivary gland is:

a. Sub-lingual gland

b. Parotide gland

c. Sub-mandibular gland

d. Minor gland

24 / 60

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

a. Lymphocyte.

b. Melanocyte.

c. Langerhans cell.

d. Merkel cell.

25 / 60

There are————— taste buds ,most of them on the tongue:

a. 100,000

b. 10,000

c. 1,000

d. 100

26 / 60

The most important indication of malignant lesion is?

a. Paresthesia

b. Tooth resorption

c. Pain

d. Teeth movement

27 / 60

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

a. Von Ebner’s gland

b. Sublingual gland

c. Submandibular gland

d. Lacrimal gland

28 / 60

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

a. Stratified squamous epithelium

b. Simple columnar epithelium

c. Stratified cuboidal epithelium

d. Simple squamous epithelium

29 / 60

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

a. Existance of high number of langerhans cells.

b. Vascularity of the lamina propria.

c. Epithelial keratinization.

d. Thichness of oral epithelium.

30 / 60

Stratum granulosum is not present in?

a. Sulcular epithelium

b. Non keratinized epithelium

c. Hyper orthokeratosis

d. Hyper parakeratosis

31 / 60

Bacteria that cause disease are called:

a. Nonpathogenic

b. Saprophytes

c. Pathogenic

d. Protozoa

32 / 60

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

a. Filliform

b. Circumvallate

c. Foliate

d. Fungiform

33 / 60

The humans, the lining epithelium of the esophagus is?

a. Stratified squamous, keratinized

b. Simple columnar

c. Transitional

d. Stratified squamous, non-keratinized

34 / 60

Hyperplasia គឺជា៖

a. Increase in cell number of an organ or tissue

b. Decrease in cell number of an organ

c. Decrease in size of an organ

d. Increase in size of an organ or tissue

35 / 60

The somatic nervous system is part of the:

a. All the answers in this question are incorrect

b. Autonomic nervous system

c. Sympathetic nervous system

d. Parasympathetic nervous system

36 / 60

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

a. Melanocytes

b. Myoepithelial cell

c. Keratinocytes

d. Mast cells

37 / 60

The floor of the mouth is lined by:

a. Masticatory mucosa.

b. Specialized mucosa.

c. Linning mucosa loosely attached.

d. Linning mucosa firmly attached.

38 / 60

The immunoglobulin present in saliva is :

a. IgE

b. IgG

c. IgA

d. IgM

39 / 60

Parakeratinized epithelium is found in:

a. Vestibular fornix.

b. Floor of the mouth.

c. Gingiva.

d. Ventral surface of tongue.

40 / 60

Most cases of tonsillitis occur in which age group:

a. 40 to 65

b. 11 to 21

c. 21 to 40

d. 10 and under

41 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type IV collagen

b. Type III collagen

c. Type I collagen

d. Type I and II collagen

42 / 60

The tonsillar lymph node is situated at the level of?

a. Angle of the mandible

b. Vertebrae

c. Clavicle

d. Jugulodigastric crossing

43 / 60

The oral mucosa ចែកចេញជា:

a. បីស្រទាប់ epithelium, connective tissue and lamina propria

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

c. ពីរស្រទាប់ epithelium and connective tissue

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

44 / 60

When do tonsils or adenoids need to be removed:

a. When a child is 5 years old

b. All the answers in this question are incorrect

c. When a child is having learning problems

d. When a child is 10 years old

45 / 60

The cells most frequently found in a granuloma are :

a. Lymphocytes

b. Neutrophil

c. Mast cells

d. Giant cells

46 / 60

The basket cells are also known as :

a. All the answers in this question are incorrect

b. Parenchymal cells

c. Endothelial cells

d. Myoepithelial cells

47 / 60

In the tongue bitter taste is more perceived at?

a. Sides

b. Tip

c. Front

d. Back

48 / 60

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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.

49 / 60

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

a. 1st month

b. 3rd month

c. 2nd month

d. 4th month

50 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The adenoid

b. All the answers in this question are correct

c. The tonsil

d. The lingual tonsil

51 / 60

Specialized cells migrate

a. to lamina propria

b. to the lower layer

c. to basement membrane

d. to the upper layers

52 / 60

Which of the following is not found in saliva :

a. Phosphate

b. Bicarbonate

c. Lysozyme

d. Triypsine

53 / 60

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

a. Granular cell layer

b. Basal cell layer

c. Spinous cells and granular cells

d. Basal cells and parabasal spinous cslls

54 / 60

Glands are classified based on?

a. Their secretory product

b. Branching pattern of the ducts

c. All the answers in this question are correct

d. Made of secretion

55 / 60

Vesicle គឺជា

a. ពងទឹក

b. ពងទឹកលាយឈាម

c. ពងខ្ទុះ

d. ពងទឹកលាយខ្ទុះ

56 / 60

The spirilla bacteria Trepnema pallida causes:

a. Pneumonia

b. Tuberculosis

c. Syphilis

d. Abscesses

57 / 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 epithelial cells are keratinized stratified squamous.

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

d. It shifts apically with age.

58 / 60

The sour taste come from:

a. Sodium chloride

b. Amino acids

c. Citric acids

d. All the answers in this question are incorrect

59 / 60

Hyperkeratosis is:

a. Increase in thickness of keratin layer or stratum corneum

b. Increase in longevity of keratin layer or stratum corneum

c. Increase in size of keratin layer or stratum corneum

d. Increase in wideness of keratin layer or stratum corneum

60 / 60

Function of acini is:

a. to produce gastric acid

b. to produce saliva

c. to produce hormone

d. to produce histamine

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត