Oral Histology Test

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Oral Histology Test

1 / 60

Which of the following is true of the sulcular epithelium:

a. Contain connective tissue papillae.

b. Consists of keratinized epithelium.

c. Is nonkeratinized.

d. Has submucosa.

2 / 60

Taste buds are in :

a. Teeth

b. Hard palate

c. Soft palate

d. Tongue

3 / 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. Ribosomes.

c. Tonofibrils.

d. Keratohyaline granules.

4 / 60

In the tongue bitter taste is more perceived at?

a. Tip

b. Front

c. Sides

d. Back

5 / 60

Which of the following is a wrong statement about the dentogingival junction:

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

b. It has an epithelial and a connective tissue component.

c. It shifts apically with age.

d. Its epithelial cells are keratinized stratified squamous.

6 / 60

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Fungiform papillae:

a. Have a lamina propria which is poorly vascularized.

b. Carry taste buds.

c. Are seen as white spots.

d. Have a stratum corneum.

7 / 60

Which these may be a symptom of tonsillitis:

a. Swollen lymph nodes in the neck

b. All the answers in this question are correct

c. Bad breath

d. Fever

e. Sore throat

8 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Larynx

c. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

d. នៅលើ Palate

9 / 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. All the answers in this question are incorrect

d. Under the tongue

10 / 60

The parotid glands open through the :

a. Wharton’s duct

b. Bartholin’s duct

c. Blandin’s duct

d. Stensen’s duct

11 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Free gingiva.

b. Mucosa of the floor of the mouth.

c. Palatal mucosa.

d. Attached gingiva.

12 / 60

Which these is a common problem with tonsils:

a. They can become infected themselves

b. They make an infection worse

c. They become swollen and They can become infected themselves

d. They become swollen

13 / 60

Most cases of tonsillitis occur in which age group:

a. 21 to 40

b. 10 and under

c. 11 to 21

d. 40 to 65

14 / 60

Taste buds មិនមាននៅក្នុង:

a. Fungiform papillae

b. Foliate papillae

c. Circumvallate papillae

d. Filiform papillae

15 / 60

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

a. Keratohyaline granules.

b. Odland's bodies.

c. Desmosomes.

d. Tonofilaments.

16 / 60

What is the end of an axon called:

a. Terminal bouton

b. Astrocyte

c. Ganglion

d. Perikaryon

17 / 60

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

a. Fungiform.

b. Filliform.

c. Foliate.

d. Vallate.

18 / 60

Supporting cells of taste buds are called as?

a. Von Ebner cells

b. Taste cells

c. Sustenticular cells

d. Acini

19 / 60

Parakeratinized epithelium is found in:

a. Vestibular fornix.

b. Floor of the mouth.

c. Gingiva.

d. Ventral surface of tongue.

20 / 60

Saliva is secreted by:

a. Minor salivary glands

b. Parotid glands

c. Major salivary glands

d. Major and minor salivary glands

21 / 60

Bartholin’s duct is the name of :

a. Sublingual duct

b. Lacrimal duct

c. Parotid duct

d. Submandibular duct

22 / 60

The p^H of whole saliva is :

a. 6.7 – 7.4

b. 1.2 – 2.4

c. 7.0 – 8.2

d. 3.0 – 5.6

23 / 60

The sweet taste come from:

a. Amino acids

b. Sugars

c. All the answers in this question are correct

d. Alcohols

24 / 60

The total amount of saliva secreted by all the salivary glands about 30% is secreted by the :

a. Parotid gland

b. Submandibular gland

c. Sublingual gland

d. All the answers in this question are incorrect

25 / 60

Which of the following is not found in saliva :

a. Bicarbonate

b. Triypsine

c. Phosphate

d. Lysozyme

26 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Pharynx

c. នៅលើ Palate

d. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

27 / 60

The cells most frequently found in a granuloma are :

a. Mast cells

b. Neutrophil

c. Lymphocytes

d. Giant cells

28 / 60

Labial and buccal miner salivary glands are:

a. All the answers in this question are incorrect

b. Purely serous

c. Mixed

d. Purely mucous

29 / 60

The tonsillar lymph node is situated at the level of?

a. Vertebrae

b. Angle of the mandible

c. Clavicle

d. Jugulodigastric crossing

30 / 60

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

a. Parotid glands

b. Sublingual glands

c. Submandibular glands

d. All the answers in this question are incorrect

31 / 60

Merkel cells are found in which of the following tissue?

a. Hypodermis

b. Papillary layer of dermis

c. Reticular of dermis

d. Epidermis

32 / 60

Specialized cells migrate

a. to basement membrane

b. to the upper layers

c. to lamina propria

d. to the lower layer

33 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Fungi

b. Cilia

c. Bacteria

d. Viruses

34 / 60

All of the following is lined by stratified squamous epithelium except?

a. Lips

b. Roof of the soft plate

c. Tongue

d. Oropharynx

35 / 60

Which of the following is purely mucous :

a. Glossopalatine glands

b. Palatine glands

c. All the answers in this question are correct

d. Posterior lingual mucous glands

36 / 60

Hypertrophy គឺជា៖

a. Increase in cell number of an organ

b. Decrease in size of an organ

c. Decrease in cell number of an organ

d. Increase in size of an organ

37 / 60

Which of the following conditions present as complete vesicle?

a. Pyostomatitis

b. Pemphigus

c. Dermatitis

d. Aphthous ulcer

38 / 60

The somatic nervous system is part of the:

a. Sympathetic nervous system

b. Autonomic nervous system

c. Parasympathetic nervous system

d. All the answers in this question are incorrect

39 / 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.

40 / 60

Bartholin’s duct drains the:

a. Submandibular gland

b. Lacrimal gland

c. Parotid

d. Sublingual gland

41 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Palate

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Pharynx

42 / 60

The mushroom shaped papillae on the tongue are called:

a. Fungiform

b. Circumvallate

c. Filliform

d. Foliate

43 / 60

Parasites are types of:

a. Pathogenic bacteria

b. Pathogenic virus

c. Nonpathogenic bacteria

d. Disease

44 / 60

Keratohyaline granules are more evident in?

a. Para keratinized

b. Ortho keratinized

c. Non keratinized

d. Keratinized

45 / 60

The parotid gland opens :

a. On the buccal mucosa opposite the maxillary second molar

b. At the caruncular

c. At the side of the lingual frenum

d. On the floor of the mouth

46 / 60

How many neurones are in the body of man:

a. 10,000

b. 10,000,000,000

c. 10,000,000,000,000

d. 10,000,000

47 / 60

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

a. Follicular cyst

b. Dentigerous cyst

c. Ranula

d. Dermiod cyst

48 / 60

Masticatory mucosa in the oral cavity covers the?

a. Floor of the mouth and soft palate

b. Alveolar mucosa and vestibular fornix

c. Lip and cheek

d. Gingiva and hard palate

49 / 60

Sulcular epithelium is formed of:

a. Parakeratinized stratified squamous epithelium.

b. Columnar epithelium.

c. Nonkeratinized stratified squamous epithelium.

d. Orthokeratinized stratified squamous epithelium.

50 / 60

The mucosa of the dorsal surface of the tongue is:

a. Smooth surface.

b. Linning mucosa.

c. Spesialized mucosa.

d. Masticatory mucosa.

51 / 60

The most common cell in connective tissue proper is the?

a. Fibroblast

b. Macrophage

c. Mast cell

d. Lymphocyte

52 / 60

Excretory duct is

a. a duct from a parotide gland

b. a duct from a striated ducts

c. a duct from a submandibular gland

d. a duct from a sublimgual gland

53 / 60

Larges amount of saliva is produced by :

a. Von Ebner glands

b. Sublingual glands

c. Submandibular glands

d. Parotid glands

54 / 60

Secialized cells migrate:

a. to basement membrane

b. to lamina propria

c. to the lower layer

d. to the upper layers

55 / 60

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

a. Alveolar mucosa.

b. Gingiva.

c. Buccal mucosa.

d. Floor of the mouth.

56 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type I and II collagen

b. Type IV collagen

c. Type I collagen

d. Type III collagen

57 / 60

What is a secretory cell in oral cavity:

a. Cell producing histamine

b. Cell producing hormone

c. Cell producing saliva

d. Cell producing gastric acid

58 / 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 salivery gland

d. kind of cell in a heart

59 / 60

Stratum granulosum is not present in?

a. Sulcular epithelium

b. Hyper parakeratosis

c. Hyper orthokeratosis

d. Non keratinized epithelium

60 / 60

The connective tissue of the gingiva is known as the?

a. Lamina dura

b. Dental cuticle

c. Lamina propria

d. Fibroblasts

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត