Oral Histology Test

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Oral Histology Test

1 / 60

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

a. Sublingual glands

b. Submandibular glands

c. All the answers in this question are incorrect

d. Parotid glands

2 / 60

Sublingual glands is a :

a. Serous gland

b. Mucous gland

c. Present in root of the tongue

d. Mixed glands

3 / 60

Wharton’s duct drains the:

a. Parotid

b. Pancreas

c. Submandibular gland

d. Lacrimal gland

4 / 60

Which of the following is true regarding the dentogingival junction?:

a. It moves apically with age.

b. It moves occlusally with age.

c. It is derived entirely from ectomesenchyme.

d. Contains clear submucosa.

5 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅលើ Larynx

6 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Larynx

7 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum granulosome cells

b. Destroying desmosome in stratum basal cells

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

d. Destroying desmosome in stratum spinosum cells

8 / 60

The mucosa of the dorsal surface of the tongue is:

a. Linning mucosa.

b. Spesialized mucosa.

c. Masticatory mucosa.

d. Smooth surface.

9 / 60

Which of the following is purely mucous :

a. Glossopalatine glands

b. Posterior lingual mucous glands

c. All the answers in this question are correct

d. Palatine glands

10 / 60

Which one of the following epithelium is least common?

a. Pseudo stratified columnar ( ciliated )

b. Simple columnar

c. Transitional

d. Stratified columnar

11 / 60

Keratohyalin granules are present in

a. Basement membrane

b. Basal layer and prickle cell layer

c. Granular layer and prickle cell layer

d. Cornified layer

12 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Is nonkeratinized.

c. Is keratinized.

d. Has long epithelial ridges.

13 / 60

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

a. Floor of the mouth.

b. Buccal mucosa.

c. Alveolar mucosa.

d. Gingiva.

14 / 60

The areas of the tongue with the most taste buds is the:

a. Underneath

b. Top

c. Tip and sides

d. Back

15 / 60

Salivary glands are not found in :

a. Posterior part of the hard palate

b. Anterior part of the hard palate

c. In mandible posterior to the 3rd molar

d. Nasopalatine canal

16 / 60

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

a. Merkel cell.

b. Langerhans cell.

c. Lymphocyte.

d. Melanocyte.

17 / 60

Atrophy is?

a. Chronic inflammation

b. Lack of oxygen for cells

c. Acute inflammation

d. Lack of nutrition for cells

18 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Lining or granular

b. Keratinized or not keratinized

c. Simple or stratified

d. Squamous cuboidal or columnar

19 / 60

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

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

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

c. Can migrate coronally.

d. Is impermeable to dyes and fluids.

20 / 60

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

a. Gingiva and anterior part of hard palate

b. Lip and posterior third of the hard palate

c. Retromolar area and hard palate

d. Tongue and soft palate

21 / 60

Granular layer មាននៅក្នុងៈ

a. Para-keratinized epithelium

b. Non-keratinized epithelium

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

d. Keratinized epithelium

22 / 60

Glands are classified based on?

a. Made of secretion

b. Branching pattern of the ducts

c. All the answers in this question are correct

d. Their secretory product

23 / 60

What is the end of an axon called:

a. Terminal bouton

b. Perikaryon

c. Astrocyte

d. Ganglion

24 / 60

Taste buds are in

a. Hard palate

b. Tongue

c. Soft palate

d. Teeth

25 / 60

Glands emptying the circumvalate trough are the:

a. Serous glands.

b. Glands of Nuhn.

c. Mucous and serous mixed glands.

d. Mucous glands.

26 / 60

Taste buds are in :

a. Tongue

b. Teeth

c. Hard palate

d. Soft palate

27 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Veins

b. Capillary

c. Connective Lymphatic vessels

d. Arteries

28 / 60

Soft palate is?

a. Anterior pillar of tonsils

b. Looser anterior portion of the palate

c. Posterior pillar of tonsils

d. Looser posterior portion of the palate

29 / 60

Bartholin’s duct is of:

a. Sub-mandibular gland

b. Sub-lingual gland

c. Parotide gland

d. Minor gland

30 / 60

Labial and buccal miner salivary glands are:

a. Purely serous

b. Purely mucous

c. Mixed

d. All the answers in this question are incorrect

31 / 60

The floor of the mouth is lined by:

a. Specialized mucosa.

b. Linning mucosa loosely attached.

c. Linning mucosa firmly attached.

d. Masticatory mucosa.

32 / 60

The mucous membrane of cheek and lips?

a. All the answers in this question are incorrect

b. A and B are correct

c. It attached to buccinators muscle in cheek

d. It attached to orbicularis oris in lips

33 / 60

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

a. Streptococci

b. Diplococci

c. Staphylococci

d. Bacilli

34 / 60

Sulcular epithelium is formed of:

a. Orthokeratinized stratified squamous epithelium.

b. Parakeratinized stratified squamous epithelium.

c. Nonkeratinized stratified squamous epithelium.

d. Columnar epithelium.

35 / 60

The structure of the oral mucosa is:

a. Mucosa & submucosa.

b. Epithelium and basement membrane.

c. Epithelium, lamina propria and muscular layer.

d. Epithelium, lamina propria and basement membrane.

36 / 60

Which of the following conditions present as complete vesicle?

a. Pyostomatitis

b. Dermatitis

c. Pemphigus

d. Aphthous ulcer

37 / 60

Von Ebner’s salivary gland is:

a. Sub-lingual gland

b. Minor gland

c. Sub-mandibular gland

d. Parotide gland

38 / 60

Bulla

a. Large vesicles that are confluent

b. Vesicle

c. large lesion

d. large pustule

39 / 60

Which these is a common problem with tonsils:

a. They become swollen and They can become infected themselves

b. They can become infected themselves

c. They become swollen

d. They make an infection worse

40 / 60

Keratohyaline granules are more evident in?

a. Para keratinized

b. Keratinized

c. Ortho keratinized

d. Non keratinized

41 / 60

Secialized cells migrate:

a. to the lower layer

b. to the upper layers

c. to basement membrane

d. to lamina propria

42 / 60

Myoepithelial cells are present in :

a. Mucous cells

b. Striate duct

c. Serous cells

d. Intercalated duct and terminal duct

43 / 60

Non keratinized epithelium is found over?

a. Interdental papilla

b. Free gingiva

c. Attached gingiva

d. Gingival sulcus

44 / 60

Which papillae are completely keratinized?

a. Filliform

b. Foliate

c. Fungiform

d. Circumvallate

45 / 60

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

a. Chorda tympani.

b. Glossopharyngeal nerve.

c. Trigeminal nerve.

d. Facial nerve.

46 / 60

Myoepithelial cell of an acini is:

a. kind of cell in a heart

b. kind of cell in a tonsil

c. kind of cell in a salivery gland

d. kind of contractile cell on an acini

47 / 60

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

a. Spinous cells and granular cells

b. Granular cell layer

c. Basal cells and parabasal spinous cslls

d. Basal cell layer

48 / 60

Epithelium of oral mucous membrane is?

a. Keratinized

b. Non keratinized

c. Ortho,Para and nonkeratinized

d. Only parakeratinized

49 / 60

Saliva is secreted by:

a. Major and minor salivary glands

b. Parotid glands

c. Major salivary glands

d. Minor salivary glands

50 / 60

Inflammation of the lips is refered to as?

a. Vincent angina

b. Glossitis migrican

c. Cheilitis

d. Stomatitis

51 / 60

Which these may be a symptom of tonsillitis:

a. Swollen lymph nodes in the neck

b. Bad breath

c. Sore throat

d. All the answers in this question are correct

e. Fever

52 / 60

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

a. 2nd month

b. 4th month

c. 1st month

d. 3rd month

53 / 60

Which of the following is true of the sulcular epithelium:

a. Consists of keratinized epithelium.

b. Is nonkeratinized.

c. Contain connective tissue papillae.

d. Has submucosa.

54 / 60

Which of the following papillae of the tongue do not contain taste buds:

a. Filliform.

b. Vallate.

c. Fungiform.

d. Foliate.

55 / 60

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

a. Simple squamous epithelium

b. Stratified squamous epithelium

c. Stratified cuboidal epithelium

d. Simple columnar epithelium

56 / 60

The tonsillar lymph node is situated at the level of?

a. Clavicle

b. Jugulodigastric crossing

c. Vertebrae

d. Angle of the mandible

57 / 60

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

a. Adenoma

b. Papilloma

c. Fibroma

d. Hemangioma

58 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Cilia

b. Viruses

c. Fungi

d. Bacteria

59 / 60

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Fungiform papillae:

a. Have a lamina propria which is poorly vascularized.

b. Carry taste buds.

c. Have a stratum corneum.

d. Are seen as white spots.

60 / 60

Specialized cells stem from:

a. Cornified layer

b. Granular layer

c. Basal layer and prickle cell layer

d. Basement membrane

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត