Oral Histology Test

0 votes, 0 avg

You will have 60 minutes to complete all the questions. After the timer reaches 60 minutes, the exam will end and be saved automatically. Good luck! *Fingers crossed*

The timer has been reached. The exam has now been terminated and saved.

Oral Histology Test

1 / 60

Healthy line is represented in:

a. Free gingival groove.

b. Mucogingival junction.

c. Junction of the buccal and labial mucosa.

d. Junction of the palatine gingiva and the lateral surface of the palate.

2 / 60

ចំពោះមនុស្សដែលមានសុខភាពល្អម្នាក់ lymph nodes ជាធម្មតា :

a. Small

b. Free

c. All the answers in this question are correct

d. Soft

3 / 60

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

a. Tongue and soft palate

b. Gingiva and anterior part of hard palate

c. Retromolar area and hard palate

d. Lip and posterior third of the hard palate

4 / 60

Myoepithelial cells are present in :

a. Serous cells

b. Intercalated duct and terminal duct

c. Mucous cells

d. Striate duct

5 / 60

Salivary glands are not found in :

a. Anterior part of the hard palate

b. Posterior part of the hard palate

c. In mandible posterior to the 3rd molar

d. Nasopalatine canal

6 / 60

Keratohyaline granules are found in?

a. Stratum granulosum

b. Stratum basale

c. Stratum spinosum

d. Prickle cell layer

7 / 60

Secialized cells migrate:

a. to lamina propria

b. to basement membrane

c. to the upper layers

d. to the lower layer

8 / 60

Saliva is secreted by:

a. Minor salivary glands

b. Major salivary glands

c. Parotid glands

d. Major and minor salivary glands

9 / 60

The mucosa of the dorsal surface of the tongue is:

a. Linning mucosa.

b. Spesialized mucosa.

c. Masticatory mucosa.

d. Smooth surface.

10 / 60

Taste buds are in

a. Teeth

b. Hard palate

c. Soft palate

d. Tongue

11 / 60

Hyperplasia គឺជា៖

a. Increase in size of an organ or tissue

b. Decrease in size of an organ

c. Increase in cell number of an organ or tissue

d. Decrease in cell number of an organ

12 / 60

In the tongue bitter taste is more perceived at?

a. Sides

b. Tip

c. Front

d. Back

13 / 60

Inflammation of the lips is refered to as?

a. Cheilitis

b. Stomatitis

c. Glossitis migrican

d. Vincent angina

14 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and lamina propria

c. Epithelium and Bone

d. Epithelium and submucosa

15 / 60

What do your tonsils and adenoids do:

a. They don’t do anything

b. All the answers in this question are incorrect

c. They help your nose with the sense of smell

d. They are part of your immune system

16 / 60

Larges amount of saliva is produced by :

a. Parotid glands

b. Submandibular glands

c. Von Ebner glands

d. Sublingual glands

17 / 60

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

a. Stratified cuboidal epithelium

b. Simple squamous epithelium

c. Stratified squamous epithelium

d. Simple columnar epithelium

18 / 60

Color of the normal gingiva is?

a. Coral pink

b. Red

c. Pink

d. All the answers in this question are incorrect

19 / 60

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

a. Bacilli

b. Staphylococci

c. Streptococci

d. Diplococci

20 / 60

Non keratinized epithelium is found over?

a. Attached gingiva

b. Gingival sulcus

c. Interdental papilla

d. Free gingiva

21 / 60

Diskeratosis is?

a. Increasing in the number of cells

b. Precancerous state

c. Acute inflammation

d. Chronic inflammation

22 / 60

The peripheral nervous system includes the:

a. Brain

b. Spinal cord

c. Nuclei

d. Somatic nervous system

23 / 60

Von Ebner’s salivary gland is:

a. Minor gland

b. Sub-mandibular gland

c. Parotide gland

d. Sub-lingual gland

24 / 60

Specialized cells stem from

a. Basement membrane

b. Basal layer and prickle cell layer

c. Granular layer

d. Cornified layer

25 / 60

Supporting cells of taste buds are called as?

a. Acini

b. Sustenticular cells

c. Taste cells

d. Von Ebner cells

26 / 60

The most common cell in connective tissue proper is the?

a. Fibroblast

b. Macrophage

c. Mast cell

d. Lymphocyte

27 / 60

Merkel cells are found in which of the following tissue?

a. Epidermis

b. Papillary layer of dermis

c. Reticular of dermis

d. Hypodermis

28 / 60

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

a. II

b. I

c. III

d. IV

29 / 60

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

a. Sublingual gland

b. All the answers in this question are incorrect

c. Parotid gland

d. Submandibular gland

30 / 60

A node of Ranvier is?

a. A nerve receptor

b. A constriction of the axon

c. A junction between two schwann cells

d. Characteristic of unmyelinated fibers

31 / 60

Parakeratinized epithelium is found in:

a. Ventral surface of tongue.

b. Gingiva.

c. Vestibular fornix.

d. Floor of the mouth.

32 / 60

Taste buds are not found on:

a. Foliate papillae.

b. Circumvallate papillae.

c. Fungiform papillae.

d. Filliform papillae.

33 / 60

Granular layer មាននៅក្នុងៈ

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

b. Keratinized epithelium

c. Non-keratinized epithelium

d. Para-keratinized epithelium

34 / 60

Keratohyalin is found in the?

a. Hyalin cartilage

b. Stratum corneum

c. Stratum granulosum

d. Stratum reticularis

35 / 60

Function of acini is:

a. to produce hormone

b. to produce saliva

c. to produce gastric acid

d. to produce histamine

36 / 60

Specialized cells migrate

a. to the lower layer

b. to lamina propria

c. to basement membrane

d. to the upper layers

37 / 60

The taste buds are rubbed off and replaced every:

a. 7-10 days

b. Year

c. 30 days

d. Day

38 / 60

Difference between the skin and mucosa of cheek is?

a. Thin lamina and non keratinized mucosa of cheek

b. Rete pegs

c. Keratinized mucosa of cheek

d. Thick lamina propria on skin of cheek

39 / 60

Buccal mucosa is?

a. Para keratinized

b. Ortho keratinized

c. Non- keratinized

d. Keratinized

40 / 60

The most common benign tumor occurring in the oral cavity is the :

a. Fibroma

b. Hemangioma

c. Adenoma

d. Papilloma

41 / 60

Which one of the following epithelium is least common?

a. Stratified columnar

b. Simple columnar

c. Pseudo stratified columnar ( ciliated )

d. Transitional

42 / 60

Which of the following is found in the cerebellum:

a. Schwann cells

b. Neuroglia

c. Ganglion

d. Basket cells

43 / 60

The basket cells are also known as :

a. All the answers in this question are incorrect

b. Endothelial cells

c. Myoepithelial cells

d. Parenchymal cells

44 / 60

Which these may be a symptom of tonsillitis:

a. Sore throat

b. Swollen lymph nodes in the neck

c. Fever

d. Bad breath

e. All the answers in this question are correct

45 / 60

In which area the connective tissue papillae are long & numerous?:

a. Gingiva.

b. Alveolar mucosa.

c. Floor of the mouth.

d. Buccal mucosa.

46 / 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

47 / 60

Which of the following conditions present as complete vesicle?

a. Aphthous ulcer

b. Pyostomatitis

c. Dermatitis

d. Pemphigus

48 / 60

Glands are classified based on?

a. All the answers in this question are correct

b. Their secretory product

c. Branching pattern of the ducts

d. Made of secretion

49 / 60

Atrophy is?

a. Lack of nutrition for cells

b. Chronic inflammation

c. Acute inflammation

d. Lack of oxygen for cells

50 / 60

Basement membrane?

a. Consists lurati hyaline granules

b. Consists of desmosomes and hemidesmosomes

c. Contains lamina lucida and lamina dura

d. Consists of lamina densa and lamina lucida

51 / 60

Facial artery is the branch of the:

a. External carotid artery

b. Superficial temporal

c. Internal carotid artery

52 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Palatine tonsils and Lingual tonsil

b. Pharyngeal tonsil

c. All the answers in this question are correct

d. Tubal tonsil

53 / 60

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

a. Basal cells and parabasal spinous cslls

b. Basal cell layer

c. Granular cell layer

d. Spinous cells and granular cells

54 / 60

Masticatory mucosa has:

a. Elastic fibers in its lamina propria.

b. Elastic fibers in its blood vessels wall.

c. Stratum corneum.

d. No connective tissue papillae.

55 / 60

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

a. Lysosomes.

b. Glycogen contents.

c. Keratohyaline granules.

d. Desmosomes.

56 / 60

The total volume of saliva secreted daily is :

a. 2 litres

b. 3 litres

c. 750 ml

d. 1.5 litres

57 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

58 / 60

Myoepithelial cell of an acini is:

a. kind of contractile cell on an acini

b. kind of cell in a tonsil

c. kind of cell in a heart

d. kind of cell in a salivery gland

59 / 60

Which of the following is not found in saliva :

a. Bicarbonate

b. Phosphate

c. Lysozyme

d. Triypsine

60 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. It contains granular cell layer.

b. It does not contain basal lamina.

c. Contain a higher glycogen content.

d. No tonofilaments are found in it.

Your score is

The average score is 78%

Any comments?

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

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត