Oral Histology Test

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Oral Histology Test

1 / 60

What is the end of an axon called:

a. Perikaryon

b. Ganglion

c. Terminal bouton

d. Astrocyte

2 / 60

The most important indication of malignant lesion is?

a. Paresthesia

b. Teeth movement

c. Tooth resorption

d. Pain

3 / 60

Stratum germinativum of the oral epithelium is the term given to?

a. Basal cell layer

b. Basal cells and parabasal spinous cslls

c. Granular cell layer

d. Spinous cells and granular cells

4 / 60

The parotid gland opens :

a. At the caruncular

b. On the buccal mucosa opposite the maxillary second molar

c. On the floor of the mouth

d. At the side of the lingual frenum

5 / 60

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

a. Submandibular glands

b. Sublingual glands

c. Parotid glands

d. All the answers in this question are incorrect

6 / 60

Circumvallate papillae are supplied by?

a. Vagus

b. Hypoglossal nerve

c. Glossopharyngeal nerve

d. Lingual nerve

7 / 60

Non keratinized epithelium is found over?

a. Attached gingiva

b. Free gingiva

c. Interdental papilla

d. Gingival sulcus

8 / 60

Inflammation of the lips is refered to as?

a. Stomatitis

b. Vincent angina

c. Glossitis migrican

d. Cheilitis

9 / 60

Striated duct is:

a. a duct from a salivery gland

b. a duct from intercalated ducts

c. a duct from a submandibular gland

d. a duct from a system duct

10 / 60

Specialized cells migrate

a. to lamina propria

b. to the lower layer

c. to basement membrane

d. to the upper layers

11 / 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

d. They become swollen and They can become infected themselves

12 / 60

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

a. 1st month

b. 3rd month

c. 2nd month

d. 4th month

13 / 60

Parakeratinized epithelium is found in:

a. Floor of the mouth.

b. Vestibular fornix.

c. Gingiva.

d. Ventral surface of tongue.

14 / 60

Lumen is:

a. a central opening of an oral cavity

b. a central opening of a tooth

c. a cental opening of an acini

d. a central opening of a gland

15 / 60

The connective tissue of the gingiva is known as the?

a. Lamina propria

b. Dental cuticle

c. Fibroblasts

d. Lamina dura

16 / 60

The taste buds are rubbed off and replaced every:

a. 30 days

b. Year

c. Day

d. 7-10 days

17 / 60

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

a. Pemphigus

b. A granulocytosis

c. Herpes zoster

d. Herpes simplex

18 / 60

Soft palate is?

a. Looser posterior portion of the palate

b. Posterior pillar of tonsils

c. Looser anterior portion of the palate

d. Anterior pillar of tonsils

19 / 60

Most cases of tonsillitis occur in which age group:

a. 40 to 65

b. 10 and under

c. 21 to 40

d. 11 to 21

20 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Tubal tonsil

b. Pharyngeal tonsil

c. Palatine tonsils and Lingual tonsil

d. All the answers in this question are correct

21 / 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.

22 / 60

Masticatory mucosa in the oral cavity covers the?

a. Lip and cheek

b. Gingiva and hard palate

c. Alveolar mucosa and vestibular fornix

d. Floor of the mouth and soft palate

23 / 60

The spirilla bacteria Trepnema pallida causes:

a. Syphilis

b. Abscesses

c. Tuberculosis

d. Pneumonia

24 / 60

Bartholin’s duct drains the:

a. Lacrimal gland

b. Sublingual gland

c. Parotid

d. Submandibular gland

25 / 60

Which these may be a symptom of tonsillitis:

a. Swollen lymph nodes in the neck

b. Sore throat

c. All the answers in this question are correct

d. Fever

e. Bad breath

26 / 60

Bulla

a. Large vesicles that are confluent

b. large pustule

c. large lesion

d. Vesicle

27 / 60

In the tongue bitter taste is more perceived at?

a. Tip

b. Back

c. Sides

d. Front

28 / 60

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

a. Merkel cell.

b. Langerhans cell.

c. Melanocyte.

d. Lymphocyte.

29 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. All are corrects

b. Palatine tonsils and Lingual tonsil

c. Pharyngeal tonsil

d. Tubal tonsil

30 / 60

The mucosa of the dorsal surface of the tongue is:

a. Masticatory mucosa.

b. Linning mucosa.

c. Smooth surface.

d. Spesialized mucosa.

31 / 60

Which of the following conditions present as complete vesicle?

a. Aphthous ulcer

b. Pemphigus

c. Dermatitis

d. Pyostomatitis

32 / 60

Wharton’s duct drains the:

a. Submandibular gland

b. Lacrimal gland

c. Pancreas

d. Parotid

33 / 60

Vesicle គឺជា

a. ពងខ្ទុះ

b. ពងទឹកលាយខ្ទុះ

c. ពងទឹក

d. ពងទឹកលាយឈាម

34 / 60

The somatic nervous system is part of the:

a. Parasympathetic nervous system

b. Sympathetic nervous system

c. Autonomic nervous system

d. All the answers in this question are incorrect

35 / 60

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

a. Tongue and soft palate

b. Lip and posterior third of the hard palate

c. Retromolar area and hard palate

d. Gingiva and anterior part of hard palate

36 / 60

Bulk of lamina propria of the gingiva is made of collagen type?

a. III

b. I

c. II

d. IV

37 / 60

Masticatory mucosa is?

a. Ortho keratinized

b. Non keratinized

c. Para keratinized

d. Sub keratinized

38 / 60

The parotid glands open through the :

a. Stensen’s duct

b. Wharton’s duct

c. Bartholin’s duct

d. Blandin’s duct

39 / 60

Which papillae are completely keratinized?

a. Filliform

b. Circumvallate

c. Foliate

d. Fungiform

40 / 60

Intermediate layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Nonkeratinized epithelium

c. Orthokeratinized epithelium

d. Parakeratinized epithelium

41 / 60

Long connective tissue papillae and keratinized epithelium are a feature of these parts of oral mucosa?

a. Hard and soft palate

b. Hard palate and gingiva

c. Buccal and alveolar mucosa

d. Gingiva and alveolar mucosa

42 / 60

Keratohyaline granules are found in?

a. Prickle cell layer

b. Stratum spinosum

c. Stratum basale

d. Stratum granulosum

43 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Lining or granular

b. Squamous cuboidal or columnar

c. Keratinized or not keratinized

d. Simple or stratified

44 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum basal cells

b. Destroying desmosome in stratum granulosome cells

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

d. Destroying desmosome in stratum spinosum cells

45 / 60

The mode of attachment of the junctional epithelium is:

a. Basement membrane.

b. Basal lamina & hemidesmosome.

c. Enamel cuticle.

d. Odland's bodies.

46 / 60

Atrophy គឺជា៖

a. Acute inflammation

b. Chronic inflammation

c. Lack of nutrition for cells

d. Lack of oxygen for cells

47 / 60

The basket cells are also known as :

a. All the answers in this question are incorrect

b. Endothelial cells

c. Myoepithelial cells

d. Parenchymal cells

48 / 60

Disease in plant or animal tissue is caused by:

a. Saprophytes

b. Pathogenic bacteria

c. Acidophilus

d. Nonpathogenic bacteria

49 / 60

Which one of the following epithelium is least common?

a. Transitional

b. Simple columnar

c. Pseudo stratified columnar ( ciliated )

d. Stratified columnar

50 / 60

The function of myoepithelial cells may be :

a. Initiating contraction

b. Support for the end piece during active secretion of saliva

c. Provide signals to the acinar secretory cells for structural reorganization

d. All the answers in this question are correct

51 / 60

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

a. Myoepithelial cell

b. Melanocytes

c. Mast cells

d. Keratinocytes

52 / 60

Submandibular gland is supplied by:

a. Submandibular artery

b. Lingual artery

c. Facial artery

d. Inferior alveolar artery

53 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Proteins

b. ច្រោះ Lipids

c. ច្រោះ Glucose

d. ច្រោះ Toxic products

54 / 60

The sulcular epithelium:

a. Is nonkeratinized.

b. Is keratinized.

c. Has thick epithelial layer.

d. Has long epithelial ridges.

55 / 60

Glands emptying the circumvalate trough are the:

a. Mucous and serous mixed glands.

b. Mucous glands.

c. Serous glands.

d. Glands of Nuhn.

56 / 60

Specialized cells stem from

a. Cornified layer

b. Basal layer and prickle cell layer

c. Basement membrane

d. Granular layer

57 / 60

Wharton’s duct is of:

a. Parotide gland

b. Minor gland

c. Sub-mandibular gland

d. Sub-lingual gland

58 / 60

What is a secretory cell in oral cavity:

a. Cell producing hormone

b. Cell producing gastric acid

c. Cell producing saliva

d. Cell producing histamine

59 / 60

Basement membrane?

a. Contains lamina lucida and lamina dura

b. Consists lurati hyaline granules

c. Consists of desmosomes and hemidesmosomes

d. Consists of lamina densa and lamina lucida

60 / 60

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

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

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

c. It shifts apically with age.

d. Its epithelial cells are keratinized stratified squamous.

Your score is

The average score is 78%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត