Oral Histology Test

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Oral Histology Test

1 / 60

Specialized cells stem from:

a. Granular layer

b. Cornified layer

c. Basal layer and prickle cell layer

d. Basement membrane

2 / 60

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

a. Submandibular gland

b. Sublingual gland

c. All the answers in this question are incorrect

d. Parotid gland

3 / 60

Most cases of tonsillitis occur in which age group:

a. 10 and under

b. 11 to 21

c. 21 to 40

d. 40 to 65

4 / 60

Facial artery is the branch of the:

a. Internal carotid artery

b. Superficial temporal

c. External carotid artery

5 / 60

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

a. Attached gingiva.

b. Vestibular fornix.

c. Buccal mucosa.

d. Hard palate.

6 / 60

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

a. Communicable

b. Congenital

c. Occupational

d. Chronic

7 / 60

Diskeratosis is?

a. Precancerous state

b. Acute inflammation

c. Chronic inflammation

d. Increasing in the number of cells

8 / 60

Intercalated duct is :

a. a duct from a lumen

b. a duct from acinus

c. a duct from a salivery gland

d. a duct from a paritide gland

9 / 60

The normal P^Hof saliva is about :

a. 7.5

b. 8.5

c. 5.5

d. 9.5

10 / 60

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

a. Herpes zoster

b. Herpes simplex

c. A granulocytosis

d. Pemphigus

11 / 60

A node of Ranvier is?

a. A nerve receptor

b. Characteristic of unmyelinated fibers

c. A constriction of the axon

d. A junction between two schwann cells

12 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Hyper parakeratosis

c. Hyper orthokeratosis

d. Sulcular epithelium

13 / 60

A sign of bacterial infection is:

a. Bleeding

b. Parasites

c. A cold

d. Pus

14 / 60

Specialized cells stem from

a. Basement membrane

b. Basal layer and prickle cell layer

c. Granular layer

d. Cornified layer

15 / 60

Masticatory mucosa in the oral cavity covers the?

a. Floor of the mouth and soft palate

b. Lip and cheek

c. Gingiva and hard palate

d. Alveolar mucosa and vestibular fornix

16 / 60

Salivary glands are not found in :

a. Posterior part of the hard palate

b. In mandible posterior to the 3rd molar

c. Anterior part of the hard palate

d. Nasopalatine canal

17 / 60

The total volume of saliva secreted daily is :

a. 1.5 litres

b. 2 litres

c. 750 ml

d. 3 litres

18 / 60

Vesicle គឺជា

a. ពងទឹក

b. ពងទឹកលាយឈាម

c. ពងទឹកលាយខ្ទុះ

d. ពងខ្ទុះ

19 / 60

What do your tonsils and adenoids do:

a. All the answers in this question are incorrect

b. They are part of your immune system

c. They help your nose with the sense of smell

d. They don’t do anything

20 / 60

In the tongue bitter taste is more perceived at?

a. Front

b. Tip

c. Sides

d. Back

21 / 60

Bulla:

a. large lesion

b. large pustule

c. Vesicle

d. Large vesicles that are confluent

22 / 60

Non keratinized epithelium is found over?

a. Attached gingiva

b. Free gingiva

c. Interdental papilla

d. Gingival sulcus

23 / 60

Masticatory mucosa has:

a. Elastic fibers in its lamina propria.

b. Elastic fibers in its blood vessels wall.

c. No connective tissue papillae.

d. Stratum corneum.

24 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Larynx

c. ចន្លោះ anterior pillar and posterior pillar

d. នៅលើ Pharynx

25 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Larynx

26 / 60

Bacteria that cause disease are called:

a. Protozoa

b. Nonpathogenic

c. Pathogenic

d. Saprophytes

27 / 60

Submandibular gland is supplied by:

a. Lingual artery

b. Facial artery

c. Inferior alveolar artery

d. Submandibular artery

28 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Lining or granular

b. Simple or stratified

c. Keratinized or not keratinized

d. Squamous cuboidal or columnar

29 / 60

Taste buds are in

a. Soft palate

b. Hard palate

c. Tongue

d. Teeth

30 / 60

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

a. Fungiform

b. Foliate

c. Circumvallate

d. Filliform

31 / 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. Snoring during sleep

e. Noisy breathing while a wake

32 / 60

Keratohyalin granules are present in:

a. Granular layer and prickle cell layer

b. Basal layer and prickle cell layer

c. Cornified layer

d. Basement membrane

33 / 60

Supporting cells of taste buds are called as?

a. Taste cells

b. Acini

c. Sustenticular cells

d. Von Ebner cells

34 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Stensen’s duct

c. Wharton’s duct

d. Blandin’s duct

35 / 60

Partially keratinized papilla is?

a. Foliate

b. Fungiform

c. Filliform

d. Circumvallate

36 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and muscular layer.

b. Epithelium and basement membrane.

c. Epithelium, lamina propria and basement membrane.

d. Mucosa & submucosa.

37 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and submucosa

c. Epithelium and lamina propria

d. Epithelium and Bone

38 / 60

Sulcular epithelium is formed of:

a. Nonkeratinized stratified squamous epithelium.

b. Orthokeratinized stratified squamous epithelium.

c. Parakeratinized stratified squamous epithelium.

d. Columnar epithelium.

39 / 60

Which of the following is true of the attachment epithelium?:

a. Its apical migration is the major causative factor in active eruption.

b. Is impermeable to dyes and fluids.

c. Its coronal end is found at the bottom of the gingival sulcus.

d. Can migrate coronally.

40 / 60

The oral mucosa ចែកចេញជា:

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

b. ពីរស្រទាប់ epithelium and connective tissue

c. បីស្រទាប់ epithelium, connective tissue and lamina propria

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

41 / 60

Color of the normal gingiva is?

a. Pink

b. Coral pink

c. Red

d. All the answers in this question are incorrect

42 / 60

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

a. All the answers in this question are incorrect

b. Parotid glands

c. Submandibular glands

d. Sublingual glands

43 / 60

Granular cell tumors of the adult is commonly seen on?

a. Upper lip

b. Lower lip

c. Tongue

d. Gingiva

44 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and submucosa

b. Lamina propria and submucosa

c. Epithelium and Bone

d. Epithelium and lamina propria

45 / 60

Cornified layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Keratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

46 / 60

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

a. 4th month

b. 3rd month

c. 2nd month

d. 1st month

47 / 60

Soft palate is?

a. Looser anterior portion of the palate

b. Posterior pillar of tonsils

c. Looser posterior portion of the palate

d. Anterior pillar of tonsils

48 / 60

Myoepithelial cell of an acini is:

a. kind of contractile cell on an acini

b. kind of cell in a salivery gland

c. kind of cell in a heart

d. kind of cell in a tonsil

49 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅលើ Larynx

50 / 60

Which of the following cells synthesize protein which remains within the cell without secretion:

a. Osteoblasts.

b. Keratinocyte.

c. Plasma cell.

d. Fibroblast.

51 / 60

Lumen is:

a. a central opening of an oral cavity

b. a central opening of a gland

c. a cental opening of an acini

d. a central opening of a tooth

52 / 60

Which one of the following epithelium is least common?

a. Transitional

b. Simple columnar

c. Pseudo stratified columnar ( ciliated )

d. Stratified columnar

53 / 60

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

a. Langerhans cell

b. Lymphocyte

c. Merkel cell

d. Melanocyte

54 / 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

55 / 60

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

a. Sublingual and Parotid

b. Submandibular and Sublingual

c. Von Ebner

d. Submandibular and Parotid

56 / 60

Atrophy is?

a. Acute inflammation

b. Chronic inflammation

c. Lack of nutrition for cells

d. Lack of oxygen for cells

57 / 60

Which of the following is not found in saliva :

a. Lysozyme

b. Phosphate

c. Bicarbonate

d. Triypsine

58 / 60

Function of acini is:

a. to produce gastric acid

b. to produce saliva

c. to produce histamine

d. to produce hormone

59 / 60

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

a. Membrane coating granules.

b. Keratohyaline granules.

c. Ribosomes.

d. Tonofibrils.

60 / 60

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

a. The tonofilaments.

b. Prickle cell layer.

c. Basal cell layer.

d. Stratum granulosum.

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត