Oral Histology Test

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Oral Histology Test

1 / 60

Specialized cells stem from

a. Granular layer

b. Basal layer and prickle cell layer

c. Cornified layer

d. Basement membrane

2 / 60

The peripheral nervous system includes the:

a. Spinal cord

b. Somatic nervous system

c. Nuclei

d. Brain

3 / 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. All the answers in this question are incorrect

d. Sublingual gland

4 / 60

Basement membrane?

a. Consists of lamina densa and lamina lucida

b. Consists of desmosomes and hemidesmosomes

c. Contains lamina lucida and lamina dura

d. Consists lurati hyaline granules

5 / 60

Which papillae are completely keratinized?

a. Circumvallate

b. Foliate

c. Fungiform

d. Filliform

6 / 60

Diskeratosis is?

a. Precancerous state

b. Acute inflammation

c. Increasing in the number of cells

d. Chronic inflammation

7 / 60

What is the end of an axon called:

a. Terminal bouton

b. Astrocyte

c. Ganglion

d. Perikaryon

8 / 60

Intermediate layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Parakeratinized epithelium

c. Nonkeratinized epithelium

d. Orthokeratinized epithelium

9 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Pharynx

c. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

d. នៅលើ Palate

10 / 60

The humans, the lining epithelium of the esophagus is?

a. Simple columnar

b. Stratified squamous, keratinized

c. Stratified squamous, non-keratinized

d. Transitional

11 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Capillary

b. Connective Lymphatic vessels

c. Veins

d. Arteries

12 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Has long epithelial ridges.

c. Is nonkeratinized.

d. Is keratinized.

13 / 60

Keratohyaline granules are found in?

a. Stratum basale

b. Prickle cell layer

c. Stratum granulosum

d. Stratum spinosum

14 / 60

Which of the following conditions present as complete vesicle?

a. Pyostomatitis

b. Aphthous ulcer

c. Pemphigus

d. Dermatitis

15 / 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

16 / 60

Parakeratinized epithelium is found in:

a. Vestibular fornix.

b. Gingiva.

c. Ventral surface of tongue.

d. Floor of the mouth.

17 / 60

The thinnest epithelium of oral cavity is found in the?

a. Oral surface of lip

b. Lingual gingiva

c. Buccal gingiva

d. Sublingual mucosa (floor of mouth)

18 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Larynx

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Palate

19 / 60

Those papillae of the tongue which are the largest, having many taste buds and are associated with the duct of Von Ebner’s gland are:

a. Filliform.

b. Circumvallate.

c. Folliate.

d. Fungiform.

20 / 60

Technical term for bacteria that live on dead matter is:

a. Saprophytes

b. Parasites

c. Viruses

d. Flagella

21 / 60

In the tongue bitter taste is more perceived at?

a. Front

b. Tip

c. Back

d. Sides

22 / 60

A node of Ranvier is?

a. A constriction of the axon

b. A nerve receptor

c. Characteristic of unmyelinated fibers

d. A junction between two schwann cells

23 / 60

Vesicle គឺជា

a. ពងទឹកលាយឈាម

b. ពងខ្ទុះ

c. ពងទឹក

d. ពងទឹកលាយខ្ទុះ

24 / 60

How many neurones are in the body of man:

a. 10,000

b. 10,000,000

c. 10,000,000,000

d. 10,000,000,000,000

25 / 60

Atrophy is?

a. Lack of oxygen for cells

b. Acute inflammation

c. Lack of nutrition for cells

d. Chronic inflammation

26 / 60

The mode of attachment of the junctional epithelium is:

a. Enamel cuticle.

b. Basal lamina & hemidesmosome.

c. Odland's bodies.

d. Basement membrane.

27 / 60

Color of the normal gingiva is?

a. Red

b. All the answers in this question are incorrect

c. Pink

d. Coral pink

28 / 60

Granular layer មាននៅក្នុងៈ

a. Para-keratinized epithelium

b. Non-keratinized epithelium

c. Keratinized epithelium

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

29 / 60

Hypertrophy គឺជា៖

a. Increase in size of an organ

b. Decrease in size of an organ

c. Decrease in cell number of an organ

d. Increase in cell number of an organ

30 / 60

Wharton’s duct drains the:

a. Parotid

b. Submandibular gland

c. Pancreas

d. Lacrimal gland

31 / 60

The buccal mucosa:

a. It is firmly attached to the underlying tissues.

b. Has a keratinized epithelium.

c. Has numerous connective tissue papillae.

d. Is continuous with the gingival mucosa.

32 / 60

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

a. Papilloma

b. Adenoma

c. Fibroma

d. Hemangioma

33 / 60

The vermilion border requires frequent moistening because?

a. It contains less number of sebaceous glands

b. It contains more of sebaceous glands

c. It contains more of sweat glands

d. It contains less number of sweat glands

34 / 60

The gland’s present in between the muscle fibres of the tongue below vallate papillae are:

a. Submandibular gland

b. Von Ebner’s gland

c. Sublingual gland

d. Lacrimal gland

35 / 60

Healthy line is represented in:

a. Mucogingival junction.

b. Free gingival groove.

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

d. Junction of the buccal and labial mucosa.

36 / 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. Is impermeable to dyes and fluids.

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

d. Can migrate coronally.

37 / 60

Most areas of oral mucosa are:

a. ParaKeratiniezd stratified epithelium

b. Keratiniezd stratified epithelium

c. NonKeratiniezd stratified epithelium

d. OrthoKeratiniezd stratified epithelium

38 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

c. នៅលើ Palate

d. នៅលើ Pharynx

39 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. All the answers in this question are correct

b. Palatine tonsils and Lingual tonsil

c. Pharyngeal tonsil

d. Tubal tonsil

40 / 60

The most common malignancy found in the oral cavity is :

a. Transitional cell carcinoma

b. Squamous cell carcinoma

c. Adenocarcinoma

d. Basal cell carcinoma

41 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. It does not contain basal lamina.

b. No tonofilaments are found in it.

c. It contains granular cell layer.

d. Contain a higher glycogen content.

42 / 60

Glands emptying the circumvalate trough are the:

a. Mucous and serous mixed glands.

b. Glands of Nuhn.

c. Mucous glands.

d. Serous glands.

43 / 60

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

a. Its epithelial cells are keratinized stratified squamous.

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

c. It shifts apically with age.

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

44 / 60

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Fungiform papillae:

a. Have a stratum corneum.

b. Are seen as white spots.

c. Have a lamina propria which is poorly vascularized.

d. Carry taste buds.

45 / 60

Disease in plant or animal tissue is caused by:

a. Pathogenic bacteria

b. Nonpathogenic bacteria

c. Saprophytes

d. Acidophilus

46 / 60

Which these may be a symptom of tonsillitis:

a. All the answers in this question are correct

b. Swollen lymph nodes in the neck

c. Fever

d. Bad breath

e. Sore throat

47 / 60

Masticatory mucosa has:

a. No connective tissue papillae.

b. Elastic fibers in its blood vessels wall.

c. Stratum corneum.

d. Elastic fibers in its lamina propria.

48 / 60

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

a. Basal cell layer.

b. Stratum granulosum.

c. The tonofilaments.

d. Prickle cell layer.

49 / 60

B-cells ( lumphocytes ) can?

a. Suppress T-cells

b. Secrete interferon

c. Kill other cells

d. Give rise to plasma cells

50 / 60

Specialized cells stem from:

a. Cornified layer

b. Granular layer

c. Basal layer and prickle cell layer

d. Basement membrane

51 / 60

Basement membrane នៅចន្លោះ

a. Epithelium and lamina propria

b. Epithelium and Bone

c. Lamina propria and submucosa

d. Epithelium and submucosa

52 / 60

Facial artery is the branch of the:

a. Superficial temporal

b. Internal carotid artery

c. External carotid artery

53 / 60

The immunoglobulin present in saliva is :

a. IgE

b. IgG

c. IgM

d. IgA

54 / 60

The spirilla bacteria Trepnema pallida causes:

a. Pneumonia

b. Syphilis

c. Abscesses

d. Tuberculosis

55 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Wharton’s duct

c. Blandin’s duct

d. Stensen’s duct

56 / 60

The connective tissue of the gingiva is known as the?

a. Fibroblasts

b. Lamina propria

c. Dental cuticle

d. Lamina dura

57 / 60

The normal P^Hof saliva is about :

a. 5.5

b. 8.5

c. 7.5

d. 9.5

58 / 60

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

a. 2nd month

b. 3rd month

c. 4th month

d. 1st month

59 / 60

Taste buds are in

a. Teeth

b. Tongue

c. Hard palate

d. Soft palate

60 / 60

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

a. Underneath

b. Top

c. Back

d. Tip and sides

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត