Oral Histology Test

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Oral Histology Test

1 / 60

Granular cell tumors of the adult is commonly seen on?

a. Upper lip

b. Lower lip

c. Tongue

d. Gingiva

2 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Bacteria

b. Fungi

c. Cilia

d. Viruses

3 / 60

A sign of bacterial infection is:

a. A cold

b. Pus

c. Parasites

d. Bleeding

4 / 60

Hypertrophy is?

a. Decrease in size of an organ

b. Increase in size of an organ

c. Decrease in cell number of an organ

d. Increase in cell number of an organ

5 / 60

The mushroom shaped papillae on the tongue are called:

a. Filliform

b. Foliate

c. Fungiform

d. Circumvallate

6 / 60

Hypertrophy គឺជា៖

a. Increase in size of an organ

b. Increase in cell number of an organ

c. Decrease in size of an organ

d. Decrease in cell number of an organ

7 / 60

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

a. Basal cell layer.

b. The tonofilaments.

c. Prickle cell layer.

d. Stratum granulosum.

8 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅលើ Larynx

d. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

9 / 60

Taste buds are not found on:

a. Fungiform papillae.

b. Circumvallate papillae.

c. Filliform papillae.

d. Foliate papillae.

10 / 60

The oral mucosa ចែកចេញជា:

a. ពីរស្រទាប់ epithelium and connective tissue

b. បួនស្រទាប់ epithelium, connective tissue, lamina propria and corium

c. បួនស្រទាប់ epithelium, basal layer, connective tissue and corium

d. បីស្រទាប់ epithelium, connective tissue and lamina propria

11 / 60

Stenon’s duct is of:

a. Parotide gland

b. Sub-mandibular gland

c. Sub-lingual gland

d. Minor gland

12 / 60

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

a. Lacrimal gland

b. Von Ebner’s gland

c. Sublingual gland

d. Submandibular gland

13 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Simple or stratified

b. Keratinized or not keratinized

c. Squamous cuboidal or columnar

d. Lining or granular

14 / 60

Striated duct is:

a. a duct from a submandibular gland

b. a duct from a system duct

c. a duct from intercalated ducts

d. a duct from a salivery gland

15 / 60

Saliva is secreted by:

a. Parotid glands

b. Major and minor salivary glands

c. Minor salivary glands

d. Major salivary glands

16 / 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. Snoring during sleep

c. All the answers in this question are correct

d. Ear infections that keep coming back

e. Noisy breathing while a wake

17 / 60

Glands are classified based on?

a. Made of secretion

b. All the answers in this question are correct

c. Their secretory product

d. Branching pattern of the ducts

18 / 60

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

a. Lymphocyte.

b. Merkel cell.

c. Melanocyte.

d. Langerhans cell.

19 / 60

Cornified layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Keratinized epithelium

c. Parakeratinized epithelium

d. Orthokeratinized epithelium

20 / 60

Bulla

a. Large vesicles that are confluent

b. large pustule

c. Vesicle

d. large lesion

21 / 60

What do your tonsils and adenoids do:

a. They help your nose with the sense of smell

b. All the answers in this question are incorrect

c. They are part of your immune system

d. They don’t do anything

22 / 60

Supporting cells of taste buds are called as?

a. Acini

b. Von Ebner cells

c. Taste cells

d. Sustenticular cells

23 / 60

Which of the following is not found in saliva :

a. Phosphate

b. Lysozyme

c. Triypsine

d. Bicarbonate

24 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. នៅលើ Palate

25 / 60

The sour taste come from:

a. Amino acids

b. Sodium chloride

c. Citric acids

d. All the answers in this question are incorrect

26 / 60

Atrophy គឺជា៖

a. Lack of nutrition for cells

b. Chronic inflammation

c. Acute inflammation

d. Lack of oxygen for cells

27 / 60

What is the end of an axon called:

a. Terminal bouton

b. Perikaryon

c. Ganglion

d. Astrocyte

28 / 60

Keratohyaline granules are found in?

a. Prickle cell layer

b. Stratum basale

c. Stratum granulosum

d. Stratum spinosum

29 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and cells mitosis.

b. Abnormality of orientation and development of epithelial cells.

c. Abnormality of migration and cells mitosis.

d. Abnormality of structure and development of epithelial cells.

30 / 60

Tonsils are on the back of the throat.Where are the adenoids located:

a. Behind the nose and roof of the mouth

b. All the answers in this question are incorrect

c. In the ears

d. Under the tongue

31 / 60

The mucous membrane of cheek and lips?

a. All the answers in this question are incorrect

b. It attached to buccinators muscle in cheek

c. It attached to orbicularis oris in lips

d. A and B are correct

32 / 60

Circumvallate papillae are supplied by?

a. Glossopharyngeal nerve

b. Lingual nerve

c. Vagus

d. Hypoglossal nerve

33 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Connective Lymphatic vessels

b. Capillary

c. Arteries

d. Veins

34 / 60

Masticatory mucosa in the oral cavity covers the?

a. Lip and cheek

b. Floor of the mouth and soft palate

c. Gingiva and hard palate

d. Alveolar mucosa and vestibular fornix

35 / 60

Color of the normal gingiva is?

a. Coral pink

b. Red

c. All the answers in this question are incorrect

d. Pink

36 / 60

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

a. Pemphigus

b. Herpes simplex

c. Herpes zoster

d. A granulocytosis

37 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Is keratinized.

c. Is nonkeratinized.

d. Has long epithelial ridges.

38 / 60

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

a. Fungiform

b. Foliate

c. Circumvallate

d. Filliform

39 / 60

The parotid gland opens :

a. At the side of the lingual frenum

b. On the buccal mucosa opposite the maxillary second molar

c. At the caruncular

d. On the floor of the mouth

40 / 60

Sulcular epithelium is formed of:

a. Orthokeratinized stratified squamous epithelium.

b. Columnar epithelium.

c. Nonkeratinized stratified squamous epithelium.

d. Parakeratinized stratified squamous epithelium.

41 / 60

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

a. It shifts apically with age.

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

c. Its epithelial cells are keratinized stratified squamous.

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

42 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and muscular layer.

b. Mucosa & submucosa.

c. Epithelium, lamina propria and basement membrane.

d. Epithelium and basement membrane.

43 / 60

Masticatory mucosa has:

a. Stratum corneum.

b. No connective tissue papillae.

c. Elastic fibers in its lamina propria.

d. Elastic fibers in its blood vessels wall.

44 / 60

The p^H of whole saliva is :

a. 3.0 – 5.6

b. 7.0 – 8.2

c. 1.2 – 2.4

d. 6.7 – 7.4

45 / 60

A node of Ranvier is?

a. A junction between two schwann cells

b. A constriction of the axon

c. Characteristic of unmyelinated fibers

d. A nerve receptor

46 / 60

In the tongue bitter taste is more perceived at?

a. Back

b. Sides

c. Tip

d. Front

47 / 60

Hyperplasia គឺជា៖

a. Decrease in cell number of an organ

b. Increase in cell number of an organ or tissue

c. Decrease in size of an organ

d. Increase in size of an organ or tissue

48 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum granulosome cells

b. Destroying desmosome in stratum spinosum cells

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

d. Destroying desmosome in stratum basal cells

49 / 60

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

a. Lip and posterior third of the hard palate

b. Tongue and soft palate

c. Gingiva and anterior part of hard palate

d. Retromolar area and hard palate

50 / 60

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

a. Herpes zoster

b. Herpes simplex

c. A granulocytosis

d. Pemphigus

51 / 60

Keratohyalin granules are present in:

a. Granular layer and prickle cell layer

b. Basal layer and prickle cell layer

c. Basement membrane

d. Cornified layer

52 / 60

Function of acini is:

a. to produce histamine

b. to produce hormone

c. to produce saliva

d. to produce gastric acid

53 / 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. Circumvallate.

b. Folliate.

c. Filliform.

d. Fungiform.

54 / 60

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

a. Is impermeable to dyes and fluids.

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

c. Can migrate coronally.

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

55 / 60

Which of the following conditions present as complete vesicle?

a. Aphthous ulcer

b. Pemphigus

c. Pyostomatitis

d. Dermatitis

56 / 60

Bartholin’s duct is the name of :

a. Parotid duct

b. Sublingual duct

c. Submandibular duct

d. Lacrimal duct

57 / 60

Which of the following are not usually found in the keratinocytes of the stratum spinosum of keratinized oral epithelium?:

a. Ribosomes.

b. Tonofibrils.

c. Keratohyaline granules.

d. Membrane coating granules.

58 / 60

The spirilla bacteria Trepnema pallida causes:

a. Syphilis

b. Tuberculosis

c. Abscesses

d. Pneumonia

59 / 60

The humans, the lining epithelium of the esophagus is?

a. Transitional

b. Simple columnar

c. Stratified squamous, keratinized

d. Stratified squamous, non-keratinized

60 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Tubal tonsil

b. Pharyngeal tonsil

c. All the answers in this question are correct

d. Palatine tonsils and Lingual tonsil

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត