Oral Histology Test

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Oral Histology Test

1 / 60

Atrophy is?

a. Lack of nutrition for cells

b. Chronic inflammation

c. Acute inflammation

d. Lack of oxygen for cells

2 / 60

Soft palate is?

a. Anterior pillar of tonsils

b. Posterior pillar of tonsils

c. Looser posterior portion of the palate

d. Looser anterior portion of the palate

3 / 60

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

a. Back

b. Tip and sides

c. Underneath

d. Top

4 / 60

The buccal mucosa:

a. Has numerous connective tissue papillae.

b. Is continuous with the gingival mucosa.

c. Has a keratinized epithelium.

d. It is firmly attached to the underlying tissues.

5 / 60

Myoepithelial cells are present in :

a. Mucous cells

b. Serous cells

c. Striate duct

d. Intercalated duct and terminal duct

6 / 60

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

a. Submandibular gland

b. Sublingual gland

c. All the answers in this question are incorrect

d. Parotid gland

7 / 60

The basket cells are also known as :

a. Parenchymal cells

b. Myoepithelial cells

c. Endothelial cells

d. All the answers in this question are incorrect

8 / 60

Which of the following conditions present as complete vesicle?

a. Pemphigus

b. Pyostomatitis

c. Dermatitis

d. Aphthous ulcer

9 / 60

Specialized cells stem from

a. Granular layer

b. Cornified layer

c. Basal layer and prickle cell layer

d. Basement membrane

10 / 60

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

a. Sublingual gland

b. Von Ebner’s gland

c. Submandibular gland

d. Lacrimal gland

11 / 60

Each taste bud has————-that pick up signals from the foods we eat:

a. A sticky top

b. A hard shell

c. Tiny hairs

d. All the answers in this question are correct

12 / 60

Diskeratosis គឺជាៈ

a. Abnormality of structure and development of epithelial cells.

b. Abnormality of orientation and cells mitosis.

c. Abnormality of orientation and development of epithelial cells.

d. Abnormality of migration and cells mitosis.

13 / 60

Sublingual glands is a :

a. Mucous gland

b. Mixed glands

c. Present in root of the tongue

d. Serous gland

14 / 60

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

a. All the answers in this question are incorrect

b. Parotid glands

c. Sublingual glands

d. Submandibular glands

15 / 60

Granular cell myoblastoma of tongue is?

a. Lymphatic enlargement of the tongue

b. Developmental anomaly of the tongue.

c. Benign tumor

d. Malignant tumor of the tongue

16 / 60

The sweet taste come from:

a. Amino acids

b. Sugars

c. Alcohols

d. All the answers in this question are correct

17 / 60

Circumvallate papillae are supplied by?

a. Glossopharyngeal nerve

b. Hypoglossal nerve

c. Vagus

d. Lingual nerve

18 / 60

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

a. Lysosomes.

b. Glycogen contents.

c. Desmosomes.

d. Keratohyaline granules.

19 / 60

Parakeratinized epithelium is found in:

a. Floor of the mouth.

b. Gingiva.

c. Vestibular fornix.

d. Ventral surface of tongue.

20 / 60

Inflammation of the lips is refered to as?

a. Cheilitis

b. Vincent angina

c. Stomatitis

d. Glossitis migrican

21 / 60

Vesicles or Bullae of the mucous membrane or skin are seen in all the following except?

a. Herpes simplex

b. Pemphigus

c. Herpes zoster

d. A granulocytosis

22 / 60

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

a. Gingiva.

b. Floor of the mouth.

c. Alveolar mucosa.

d. Buccal mucosa.

23 / 60

How many neurones are in the body of man:

a. 10,000

b. 10,000,000

c. 10,000,000,000,000

d. 10,000,000,000

24 / 60

Parasites are types of:

a. Nonpathogenic bacteria

b. Disease

c. Pathogenic bacteria

d. Pathogenic virus

25 / 60

The papillae lined up in the back of the tongue are called:

a. Circumvallate

b. Filliform

c. Foliate

d. Fungiform

26 / 60

The three laterally paired major salivary glands are located :

a. Extra orally

b. In neck

c. In tongue

d. Intra orally

27 / 60

Facial artery is the branch of the:

a. Superficial temporal

b. External carotid artery

c. Internal carotid artery

28 / 60

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Which is not true about taste buds:

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

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

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

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

29 / 60

Which papillae are completely keratinized?

a. Fungiform

b. Circumvallate

c. Filliform

d. Foliate

30 / 60

The thinnest epithelium of oral cavity is found in the?

a. Oral surface of lip

b. Sublingual mucosa (floor of mouth)

c. Buccal gingiva

d. Lingual gingiva

31 / 60

The mode of attachment of the junctional epithelium is:

a. Odland's bodies.

b. Basal lamina & hemidesmosome.

c. Basement membrane.

d. Enamel cuticle.

32 / 60

The mucogingival junction is the junction of:

a. Alveolar mucosa and attached gingiva.

b. Sulcular epithelium & free gingiva.

c. Palatine gingival & rougae zone.

d. Sulcular epithelium & free gingiva.

33 / 60

B-cells ( lumphocytes ) can?

a. Kill other cells

b. Secrete interferon

c. Suppress T-cells

d. Give rise to plasma cells

34 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Larynx

c. នៅលើ Pharynx

d. ចន្លោះ anterior pillar and posterior pillar

35 / 60

Vesicle or Bullae of the mucous membrane or skin are seen in all the following except :

a. Herpes zoster

b. Herpes simplex

c. Pemphigus

d. A granulocytosis

36 / 60

Lumen is:

a. a central opening of an oral cavity

b. a cental opening of an acini

c. a central opening of a tooth

d. a central opening of a gland

37 / 60

Bulla

a. Vesicle

b. Large vesicles that are confluent

c. large lesion

d. large pustule

38 / 60

Intercalated duct is :

a. a duct from a salivery gland

b. a duct from acinus

c. a duct from a paritide gland

d. a duct from a lumen

39 / 60

What is the end of an axon called:

a. Terminal bouton

b. Astrocyte

c. Perikaryon

d. Ganglion

40 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Pharynx

c. នៅលើ Palate

d. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

41 / 60

Which one of the following epithelium is least common?

a. Simple columnar

b. Transitional

c. Pseudo stratified columnar ( ciliated )

d. Stratified columnar

42 / 60

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

a. Odland's bodies.

b. Keratohyaline granules.

c. Desmosomes.

d. Tonofilaments.

43 / 60

Masticatory mucosa has:

a. Elastic fibers in its lamina propria.

b. No connective tissue papillae.

c. Stratum corneum.

d. Elastic fibers in its blood vessels wall.

44 / 60

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

a. Roof of the soft plate

b. Oropharynx

c. Tongue

d. Lips

45 / 60

Which these is a common problem with tonsils:

a. They can become infected themselves

b. They become swollen

c. They become swollen and They can become infected themselves

d. They make an infection worse

46 / 60

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

a. Contains clear submucosa.

b. It moves apically with age.

c. It moves occlusally with age.

d. It is derived entirely from ectomesenchyme.

47 / 60

Atrophy គឺជា៖

a. Lack of nutrition for cells

b. Lack of oxygen for cells

c. Chronic inflammation

d. Acute inflammation

48 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Sulcular epithelium

c. Hyper parakeratosis

d. Hyper orthokeratosis

49 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Arteries

b. Veins

c. Capillary

d. Connective Lymphatic vessels

50 / 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

51 / 60

Color of the normal gingiva is?

a. Red

b. All the answers in this question are incorrect

c. Coral pink

d. Pink

52 / 60

Supporting cells of taste buds are called as?

a. Sustenticular cells

b. Taste cells

c. Acini

d. Von Ebner cells

53 / 60

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

a. Stratified squamous epithelium

b. Simple columnar epithelium

c. Simple squamous epithelium

d. Stratified cuboidal epithelium

54 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum basal cells

b. Destroying desmosome in stratum spinosum cells

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

d. Destroying desmosome in stratum granulosome cells

55 / 60

In the tongue bitter taste is more perceived at?

a. Tip

b. Back

c. Front

d. Sides

56 / 60

Striated duct is:

a. a duct from intercalated ducts

b. a duct from a salivery gland

c. a duct from a submandibular gland

d. a duct from a system duct

57 / 60

Cornified layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Orthokeratinized epithelium

c. Parakeratinized epithelium

d. Nonkeratinized epithelium

58 / 60

The mucosa of the dorsal surface of the tongue is:

a. Masticatory mucosa.

b. Spesialized mucosa.

c. Smooth surface.

d. Linning mucosa.

59 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. No tonofilaments are found in it.

b. It does not contain basal lamina.

c. Contain a higher glycogen content.

d. It contains granular cell layer.

60 / 60

The immunoglobulin present in saliva is :

a. IgG

b. IgE

c. IgM

d. IgA

Your score is

The average score is 0%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត