Oral Histology Test

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Oral Histology Test

1 / 60

Vesicles or Bullae of the mucous membrane or skin are seen in all the following except?

a. Pemphigus

b. Herpes simplex

c. Herpes zoster

d. A granulocytosis

2 / 60

Glands emptying the circumvalate trough are the:

a. Serous glands.

b. Mucous and serous mixed glands.

c. Glands of Nuhn.

d. Mucous glands.

3 / 60

Wharton’s duct is of:

a. Minor gland

b. Sub-lingual gland

c. Parotide gland

d. Sub-mandibular gland

4 / 60

Striated duct is:

a. a duct from a system duct

b. a duct from a salivery gland

c. a duct from a submandibular gland

d. a duct from intercalated ducts

5 / 60

Which these is a common problem with tonsils:

a. They make an infection worse

b. They become swollen

c. They can become infected themselves

d. They become swollen and They can become infected themselves

6 / 60

ចំពោះមនុស្សដែលមានសុខភាពល្អម្នាក់ lymph nodes ជាធម្មតា :

a. All the answers in this question are correct

b. Small

c. Soft

d. Free

7 / 60

The vermilion border requires frequent moistening because?

a. It contains less number of sebaceous glands

b. It contains less number of sweat glands

c. It contains more of sweat glands

d. It contains more of sebaceous glands

8 / 60

Keratohyalin granules are present in

a. Basement membrane

b. Granular layer and prickle cell layer

c. Basal layer and prickle cell layer

d. Cornified layer

9 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

c. នៅលើ Palate

d. នៅលើ Pharynx

10 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum basal cells

b. Destroying desmosome in stratum spinosum cells

c. Destroying desmosome in stratum granulosome cells

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

11 / 60

Hypertrophy គឺជា៖

a. Decrease in size of an organ

b. Decrease in cell number of an organ

c. Increase in size of an organ

d. Increase in cell number of an organ

12 / 60

The cells most frequently found in a granuloma are :

a. Neutrophil

b. Mast cells

c. Lymphocytes

d. Giant cells

13 / 60

Merkel cells are found in which of the following tissue?

a. Papillary layer of dermis

b. Epidermis

c. Reticular of dermis

d. Hypodermis

14 / 60

B-cells ( lumphocytes ) can?

a. Secrete interferon

b. Kill other cells

c. Give rise to plasma cells

d. Suppress T-cells

15 / 60

The sulcular epithelium:

a. Has long epithelial ridges.

b. Is nonkeratinized.

c. Is keratinized.

d. Has thick epithelial layer.

16 / 60

Submandibular gland is supplied by:

a. Lingual artery

b. Inferior alveolar artery

c. Facial artery

d. Submandibular artery

17 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Lipids

b. ច្រោះ Glucose

c. ច្រោះ Toxic products

d. ច្រោះ Proteins

18 / 60

A node of Ranvier is?

a. A constriction of the axon

b. Characteristic of unmyelinated fibers

c. A nerve receptor

d. A junction between two schwann cells

19 / 60

The most important indication of malignant lesion is?

a. Teeth movement

b. Paresthesia

c. Tooth resorption

d. Pain

20 / 60

Specialized cells stem from:

a. Granular layer

b. Cornified layer

c. Basement membrane

d. Basal layer and prickle cell layer

21 / 60

Buccal mucosa is?

a. Ortho keratinized

b. Keratinized

c. Para keratinized

d. Non- keratinized

22 / 60

How are infections of the tonsils or adenoids usually treat:

a. All the answers in this question are incorrect

b. Acetaminophen

c. Aspirin

d. Antibiotic

23 / 60

The connective tissue of the gingiva is known as the?

a. Lamina propria

b. Fibroblasts

c. Dental cuticle

d. Lamina dura

24 / 60

Function of acini is:

a. to produce histamine

b. to produce saliva

c. to produce hormone

d. to produce gastric acid

25 / 60

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

a. Desmosomes.

b. Keratohyaline granules.

c. Odland's bodies.

d. Tonofilaments.

26 / 60

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

a. Glossopharyngeal nerve.

b. Facial nerve.

c. Trigeminal nerve.

d. Chorda tympani.

27 / 60

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

a. Tiny hairs

b. All the answers in this question are correct

c. A sticky top

d. A hard shell

28 / 60

Keratohyaline granules are more evident in?

a. Keratinized

b. Non keratinized

c. Ortho keratinized

d. Para keratinized

29 / 60

The basket cells are also known as :

a. Myoepithelial cells

b. Parenchymal cells

c. Endothelial cells

d. All the answers in this question are incorrect

30 / 60

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

a. Von Ebner

b. Submandibular and Sublingual

c. Sublingual and Parotid

d. Submandibular and Parotid

31 / 60

Diskeratosis គឺជាៈ

a. Abnormality of structure and development of epithelial cells.

b. Abnormality of migration and cells mitosis.

c. Abnormality of orientation and cells mitosis.

d. Abnormality of orientation and development of epithelial cells.

32 / 60

Bacteria that cause disease are called:

a. Pathogenic

b. Nonpathogenic

c. Saprophytes

d. Protozoa

33 / 60

Bartholin’s duct is of:

a. Sub-mandibular gland

b. Minor gland

c. Parotide gland

d. Sub-lingual gland

34 / 60

Which one of the following epithelium is least common?

a. Pseudo stratified columnar ( ciliated )

b. Transitional

c. Stratified columnar

d. Simple columnar

35 / 60

Wharton’s duct drains the:

a. Submandibular gland

b. Lacrimal gland

c. Pancreas

d. Parotid

36 / 60

The tonsillar lymph node is situated at the level of?

a. Vertebrae

b. Jugulodigastric crossing

c. Clavicle

d. Angle of the mandible

37 / 60

Which of the following conditions present as complete vesicle?

a. Dermatitis

b. Pyostomatitis

c. Pemphigus

d. Aphthous ulcer

38 / 60

The mucosa of the dorsal surface of the tongue is:

a. Masticatory mucosa.

b. Linning mucosa.

c. Smooth surface.

d. Spesialized mucosa.

39 / 60

Difference between the skin and mucosa of cheek is?

a. Rete pegs

b. Thick lamina propria on skin of cheek

c. Keratinized mucosa of cheek

d. Thin lamina and non keratinized mucosa of cheek

40 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Sulcular epithelium

c. Hyper orthokeratosis

d. Hyper parakeratosis

41 / 60

Hypertrophy is?

a. Increase in cell number of an organ

b. Decrease in cell number of an organ

c. Decrease in size of an organ

d. Increase in size of an organ

42 / 60

Keratohyalin is found in the?

a. Stratum granulosum

b. Stratum corneum

c. Stratum reticularis

d. Hyalin cartilage

43 / 60

Inflammation of the lips is refered to as?

a. Stomatitis

b. Cheilitis

c. Glossitis migrican

d. Vincent angina

44 / 60

Granular layer មាននៅក្នុងៈ

a. Keratinized, Para-keratinized and Ortho-keratinized epithelium

b. Para-keratinized epithelium

c. Keratinized epithelium

d. Non-keratinized epithelium

45 / 60

Specialized cells migrate

a. to the upper layers

b. to basement membrane

c. to the lower layer

d. to lamina propria

46 / 60

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

a. Diplococci

b. Bacilli

c. Streptococci

d. Staphylococci

47 / 60

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

a. Keratohyaline granules.

b. Desmosomes.

c. Glycogen contents.

d. Lysosomes.

48 / 60

Atrophy is?

a. Chronic inflammation

b. Lack of oxygen for cells

c. Acute inflammation

d. Lack of nutrition for cells

49 / 60

Secialized cells migrate:

a. to the lower layer

b. to lamina propria

c. to the upper layers

d. to basement membrane

50 / 60

Myoepithelial cell of an acini is:

a. kind of cell in a tonsil

b. kind of contractile cell on an acini

c. kind of cell in a heart

d. kind of cell in a salivery gland

51 / 60

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

a. Langerhans cell.

b. Melanocyte.

c. Lymphocyte.

d. Merkel cell.

52 / 60

Non keratinized epithelium is found over?

a. Interdental papilla

b. Attached gingiva

c. Free gingiva

d. Gingival sulcus

53 / 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. Submandibular gland

c. Parotid gland

d. Sublingual gland

54 / 60

Larges amount of saliva is produced by :

a. Sublingual glands

b. Parotid glands

c. Von Ebner glands

d. Submandibular glands

55 / 60

Bartholin’s duct is the name of :

a. Submandibular duct

b. Parotid duct

c. Sublingual duct

d. Lacrimal duct

56 / 60

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

a. Behind the nose and roof of the mouth

b. In the ears

c. Under the tongue

d. All the answers in this question are incorrect

57 / 60

Facial artery is the branch of the:

a. Internal carotid artery

b. External carotid artery

c. Superficial temporal

58 / 60

The floor of the mouth is lined by:

a. Specialized mucosa.

b. Linning mucosa loosely attached.

c. Masticatory mucosa.

d. Linning mucosa firmly attached.

59 / 60

Circumvallate papillae are supplied by?

a. Lingual nerve

b. Vagus

c. Hypoglossal nerve

d. Glossopharyngeal nerve

60 / 60

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

a. Congenital

b. Occupational

c. Communicable

d. Chronic

Your score is

The average score is 92%

Any comments?

Any problems/errors or mistakes found while testing, please let us know for modification!

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត