Oral Histology Test

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Oral Histology Test

1 / 60

Bulla

a. large lesion

b. Vesicle

c. Large vesicles that are confluent

d. large pustule

2 / 60

The normal P^Hof saliva is about :

a. 7.5

b. 8.5

c. 9.5

d. 5.5

3 / 60

Hypertrophy is?

a. Increase in cell number of an organ

b. Increase in size of an organ

c. Decrease in size of an organ

d. Decrease in cell number of an organ

4 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

5 / 60

Atrophy is?

a. Lack of oxygen for cells

b. Lack of nutrition for cells

c. Acute inflammation

d. Chronic inflammation

6 / 60

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

a. Parotid gland

b. All the answers in this question are incorrect

c. Submandibular gland

d. Sublingual gland

7 / 60

Facial artery is the branch of the:

a. External carotid artery

b. Superficial temporal

c. Internal carotid artery

8 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. It does not contain basal lamina.

b. It contains granular cell layer.

c. Contain a higher glycogen content.

d. No tonofilaments are found in it.

9 / 60

Partially keratinized papilla is?

a. Fungiform

b. Foliate

c. Filliform

d. Circumvallate

10 / 60

Which one of the following epithelium is least common?

a. Simple columnar

b. Pseudo stratified columnar ( ciliated )

c. Transitional

d. Stratified columnar

11 / 60

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

a. Lymphocyte

b. Langerhans cell

c. Melanocyte

d. Merkel cell

12 / 60

Submandibular gland is supplied by:

a. Inferior alveolar artery

b. Lingual artery

c. Submandibular artery

d. Facial artery

13 / 60

Lumen is:

a. a central opening of a gland

b. a central opening of a tooth

c. a central opening of an oral cavity

d. a cental opening of an acini

14 / 60

Dendritic cell located in the stratified squamous keratinized epithelium of the oral cavity include?

a. Melanocytes

b. Myoepithelial cell

c. Keratinocytes

d. Mast cells

15 / 60

The spirilla bacteria Trepnema pallida causes:

a. Tuberculosis

b. Abscesses

c. Pneumonia

d. Syphilis

16 / 60

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Which is not true about taste buds:

a. The supporting cells of a taste bud carry taste hairs.

b. 10 to 20 neuroepithelial cells are the receptors of taste stimuli in a taste bud.

c. Nerve fibers end in contact with the sensory cells in the taste buds.

d. Taste buds extend from the basal lamina to the surface of epithelium.

17 / 60

What is a secretory cell in oral cavity:

a. Cell producing histamine

b. Cell producing hormone

c. Cell producing gastric acid

d. Cell producing saliva

18 / 60

Myoepithelial cell of an acini is:

a. kind of cell in a tonsil

b. kind of cell in a salivery gland

c. kind of contractile cell on an acini

d. kind of cell in a heart

19 / 60

Which papillae are completely keratinized?

a. Foliate

b. Circumvallate

c. Filliform

d. Fungiform

20 / 60

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

a. Occupational

b. Chronic

c. Congenital

d. Communicable

21 / 60

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

a. Sublingual gland

b. Submandibular gland

c. All the answers in this question are incorrect

d. Parotid gland

22 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Palatine tonsils and Lingual tonsil

b. All are corrects

c. Pharyngeal tonsil

d. Tubal tonsil

23 / 60

Vesicle គឺជា

a. ពងខ្ទុះ

b. ពងទឹកលាយឈាម

c. ពងទឹក

d. ពងទឹកលាយខ្ទុះ

24 / 60

Specialized cells migrate

a. to the upper layers

b. to basement membrane

c. to lamina propria

d. to the lower layer

25 / 60

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

a. Chorda tympani.

b. Trigeminal nerve.

c. Facial nerve.

d. Glossopharyngeal nerve.

26 / 60

The basket cells are also known as :

a. Myoepithelial cells

b. All the answers in this question are incorrect

c. Endothelial cells

d. Parenchymal cells

27 / 60

Keratohyaline granules are more evident in?

a. Para keratinized

b. Non keratinized

c. Ortho keratinized

d. Keratinized

28 / 60

Function of acini is:

a. to produce saliva

b. to produce gastric acid

c. to produce hormone

d. to produce histamine

29 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type I collagen

b. Type I and II collagen

c. Type IV collagen

d. Type III collagen

30 / 60

The grooved- shaped papillae on the sides of the tongue are called:

a. Foliate

b. Filliform

c. Circumvallate

d. Fungiform

31 / 60

Wharton’s duct is of:

a. Sub-mandibular gland

b. Parotide gland

c. Sub-lingual gland

d. Minor gland

32 / 60

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

a. Ranula

b. Follicular cyst

c. Dentigerous cyst

d. Dermiod cyst

33 / 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. Ear infections that keep coming back

c. Snoring during sleep

d. All the answers in this question are correct

e. Noisy breathing while a wake

34 / 60

Buccal mucosa is?

a. Non- keratinized

b. Keratinized

c. Para keratinized

d. Ortho keratinized

35 / 60

Masticatory mucosa is?

a. Ortho keratinized

b. Sub keratinized

c. Para keratinized

d. Non keratinized

36 / 60

Color of the normal gingiva is?

a. Red

b. All the answers in this question are incorrect

c. Coral pink

d. Pink

37 / 60

Saliva is secreted by:

a. Major and minor salivary glands

b. Minor salivary glands

c. Major salivary glands

d. Parotid glands

38 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Palate

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Pharynx

39 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Sulcular epithelium

c. Hyper parakeratosis

d. Hyper orthokeratosis

40 / 60

Keratohyalin granules are present in:

a. Basement membrane

b. Cornified layer

c. Basal layer and prickle cell layer

d. Granular layer and prickle cell layer

41 / 60

What do your tonsils and adenoids do:

a. They help your nose with the sense of smell

b. They are part of your immune system

c. They don’t do anything

d. All the answers in this question are incorrect

42 / 60

The p^H of whole saliva is :

a. 7.0 – 8.2

b. 6.7 – 7.4

c. 1.2 – 2.4

d. 3.0 – 5.6

43 / 60

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

a. Sublingual and Parotid

b. Von Ebner

c. Submandibular and Sublingual

d. Submandibular and Parotid

44 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Has long epithelial ridges.

c. Is nonkeratinized.

d. Is keratinized.

45 / 60

The buccal mucosa:

a. Has numerous connective tissue papillae.

b. Has a keratinized epithelium.

c. It is firmly attached to the underlying tissues.

d. Is continuous with the gingival mucosa.

46 / 60

Secialized cells migrate:

a. to the upper layers

b. to basement membrane

c. to the lower layer

d. to lamina propria

47 / 60

Soft palate is?

a. Posterior pillar of tonsils

b. Looser posterior portion of the palate

c. Anterior pillar of tonsils

d. Looser anterior portion of the palate

48 / 60

ចំពោះមនុស្សដែលមានសុខភាពល្អម្នាក់ lymph nodes ជាធម្មតា :

a. Free

b. Soft

c. All the answers in this question are correct

d. Small

49 / 60

Hyperplasia គឺជា៖

a. Decrease in size of an organ

b. Increase in size of an organ or tissue

c. Increase in cell number of an organ or tissue

d. Decrease in cell number of an organ

50 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. All the answers in this question are correct

b. Tubal tonsil

c. Palatine tonsils and Lingual tonsil

d. Pharyngeal tonsil

51 / 60

Keratohyalin granules are present in

a. Basement membrane

b. Granular layer and prickle cell layer

c. Cornified layer

d. Basal layer and prickle cell layer

52 / 60

Non keratinized epithelium is found over?

a. Attached gingiva

b. Interdental papilla

c. Gingival sulcus

d. Free gingiva

53 / 60

Glands emptying the circumvalate trough are the:

a. Glands of Nuhn.

b. Mucous glands.

c. Mucous and serous mixed glands.

d. Serous glands.

54 / 60

Basement membrane នៅចន្លោះ

a. Epithelium and Bone

b. Epithelium and submucosa

c. Lamina propria and submucosa

d. Epithelium and lamina propria

55 / 60

Intercalated duct is :

a. a duct from a paritide gland

b. a duct from a salivery gland

c. a duct from acinus

d. a duct from a lumen

56 / 60

The floor of the mouth is lined by:

a. Specialized mucosa.

b. Linning mucosa firmly attached.

c. Masticatory mucosa.

d. Linning mucosa loosely attached.

57 / 60

Sublingual glands is a :

a. Mixed glands

b. Present in root of the tongue

c. Serous gland

d. Mucous gland

58 / 60

The mode of attachment of the junctional epithelium is:

a. Enamel cuticle.

b. Odland's bodies.

c. Basal lamina & hemidesmosome.

d. Basement membrane.

59 / 60

Keratohyaline granules are found in?

a. Stratum basale

b. Stratum granulosum

c. Stratum spinosum

d. Prickle cell layer

60 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Wharton’s duct

c. Blandin’s duct

d. Stensen’s duct

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត