Oral Histology Test

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Oral Histology Test

1 / 60

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

a. Its epithelial cells are keratinized stratified squamous.

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

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

d. It shifts apically with age.

2 / 60

Keratohyalin granules are present in:

a. Granular layer and prickle cell layer

b. Basal layer and prickle cell layer

c. Cornified layer

d. Basement membrane

3 / 60

Taste buds មិនមាននៅក្នុង៖

a. Foliate papillae

b. Filiform papillae

c. Fungiform papillae

d. Circumvallate papillae

4 / 60

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

a. Membrane coating granules.

b. Ribosomes.

c. Tonofibrils.

d. Keratohyaline granules.

5 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Is nonkeratinized.

c. Has long epithelial ridges.

d. Is keratinized.

6 / 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

7 / 60

Glands are classified based on?

a. Branching pattern of the ducts

b. All the answers in this question are correct

c. Made of secretion

d. Their secretory product

8 / 60

Pus forming bacteria that cause strep throat and blood poisoning are:

a. Streptococci

b. Staphylococci

c. Diplococci

d. Bacilli

9 / 60

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

a. Submandibular and Sublingual

b. Sublingual and Parotid

c. Von Ebner

d. Submandibular and Parotid

10 / 60

Most cases of tonsillitis occur in which age group:

a. 10 and under

b. 40 to 65

c. 11 to 21

d. 21 to 40

11 / 60

Non keratinized epithelium is found over?

a. Gingival sulcus

b. Interdental papilla

c. Free gingiva

d. Attached gingiva

12 / 60

The mucous membrane of cheek and lips?

a. It attached to buccinators muscle in cheek

b. It attached to orbicularis oris in lips

c. A and B are correct

d. All the answers in this question are incorrect

13 / 60

The peripheral nervous system includes the:

a. Somatic nervous system

b. Spinal cord

c. Nuclei

d. Brain

14 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and submucosa

b. Epithelium and lamina propria

c. Lamina propria and submucosa

d. Epithelium and Bone

15 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Toxic products

b. ច្រោះ Lipids

c. ច្រោះ Proteins

d. ច្រោះ Glucose

16 / 60

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

a. Melanocytes

b. Keratinocytes

c. Myoepithelial cell

d. Mast cells

17 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Veins

b. Connective Lymphatic vessels

c. Arteries

d. Capillary

18 / 60

The mode of attachment of the junctional epithelium is:

a. Basal lamina & hemidesmosome.

b. Enamel cuticle.

c. Odland's bodies.

d. Basement membrane.

19 / 60

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

a. Filliform

b. Fungiform

c. Circumvallate

d. Foliate

20 / 60

Which of the following conditions present as complete vesicle?

a. Aphthous ulcer

b. Pyostomatitis

c. Dermatitis

d. Pemphigus

21 / 60

Function of acini is:

a. to produce saliva

b. to produce histamine

c. to produce gastric acid

d. to produce hormone

22 / 60

Masticatory mucosa has:

a. No connective tissue papillae.

b. Elastic fibers in its lamina propria.

c. Elastic fibers in its blood vessels wall.

d. Stratum corneum.

23 / 60

The somatic nervous system is part of the:

a. Autonomic nervous system

b. Parasympathetic nervous system

c. All the answers in this question are incorrect

d. Sympathetic nervous system

24 / 60

A node of Ranvier is?

a. A junction between two schwann cells

b. A nerve receptor

c. A constriction of the axon

d. Characteristic of unmyelinated fibers

25 / 60

The floor of the mouth is lined by:

a. Linning mucosa loosely attached.

b. Specialized mucosa.

c. Masticatory mucosa.

d. Linning mucosa firmly attached.

26 / 60

Which of the following papillae of the tongue do not contain taste buds:

a. Filliform.

b. Fungiform.

c. Vallate.

d. Foliate.

27 / 60

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

a. Roof of the soft plate

b. Lips

c. Tongue

d. Oropharynx

28 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Larynx

b. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

c. នៅលើ Pharynx

d. នៅលើ Palate

29 / 60

Stenon’s duct is of:

a. Sub-mandibular gland

b. Minor gland

c. Sub-lingual gland

d. Parotide gland

30 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Larynx

31 / 60

Supporting cells of taste buds are called as?

a. Taste cells

b. Sustenticular cells

c. Von Ebner cells

d. Acini

32 / 60

Masticatory mucosa is?

a. Sub keratinized

b. Para keratinized

c. Ortho keratinized

d. Non keratinized

33 / 60

A sign of bacterial infection is:

a. Bleeding

b. Parasites

c. Pus

d. A cold

34 / 60

Myoepithelial cells are present in :

a. Mucous cells

b. Striate duct

c. Serous cells

d. Intercalated duct and terminal duct

35 / 60

Granular cell tumors of the adult is commonly seen on?

a. Tongue

b. Gingiva

c. Upper lip

d. Lower lip

36 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and Bone

c. Epithelium and submucosa

d. Epithelium and lamina propria

37 / 60

Sublingual glands is a :

a. Serous gland

b. Mixed glands

c. Mucous gland

d. Present in root of the tongue

38 / 60

Granular layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Non-keratinized epithelium

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

d. Para-keratinized epithelium

39 / 60

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

a. All the answers in this question are incorrect

b. Submandibular gland

c. Sublingual gland

d. Parotid gland

40 / 60

Labial and buccal miner salivary glands are:

a. All the answers in this question are incorrect

b. Mixed

c. Purely mucous

d. Purely serous

41 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Palatal mucosa.

b. Attached gingiva.

c. Mucosa of the floor of the mouth.

d. Free gingiva.

42 / 60

Parasites are types of:

a. Nonpathogenic bacteria

b. Disease

c. Pathogenic bacteria

d. Pathogenic virus

43 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

b. នៅលើ Larynx

c. នៅលើ Pharynx

d. នៅលើ Palate

44 / 60

Bulla:

a. Vesicle

b. Large vesicles that are confluent

c. large pustule

d. large lesion

45 / 60

The most important indication of malignant lesion is?

a. Paresthesia

b. Teeth movement

c. Pain

d. Tooth resorption

46 / 60

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

a. A granulocytosis

b. Pemphigus

c. Herpes zoster

d. Herpes simplex

47 / 60

How are infections of the tonsils or adenoids usually treat:

a. Acetaminophen

b. All the answers in this question are incorrect

c. Aspirin

d. Antibiotic

48 / 60

Atrophy is?

a. Chronic inflammation

b. Acute inflammation

c. Lack of nutrition for cells

d. Lack of oxygen for cells

49 / 60

Healthy line is represented in:

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

b. Junction of the buccal and labial mucosa.

c. Free gingival groove.

d. Mucogingival junction.

50 / 60

The structure of the oral mucosa is:

a. Mucosa & submucosa.

b. Epithelium and basement membrane.

c. Epithelium, lamina propria and basement membrane.

d. Epithelium, lamina propria and muscular layer.

51 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Larynx

c. ចន្លោះ anterior pillar and posterior pillar

d. នៅលើ Palate

52 / 60

Soft palate is?

a. Posterior pillar of tonsils

b. Anterior pillar of tonsils

c. Looser anterior portion of the palate

d. Looser posterior portion of the palate

53 / 60

Bacteria that cause disease are called:

a. Nonpathogenic

b. Protozoa

c. Pathogenic

d. Saprophytes

54 / 60

Wharton’s duct drains the:

a. Submandibular gland

b. Lacrimal gland

c. Pancreas

d. Parotid

55 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and development of epithelial cells.

b. Abnormality of migration and cells mitosis.

c. Abnormality of orientation and cells mitosis.

d. Abnormality of structure and development of epithelial cells.

56 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

c. នៅលើ Palate

d. នៅលើ Pharynx

57 / 60

The mucogingival junction is the junction of:

a. Sulcular epithelium & free gingiva.

b. Sulcular epithelium & free gingiva.

c. Palatine gingival & rougae zone.

d. Alveolar mucosa and attached gingiva.

58 / 60

The parotid gland opens :

a. At the side of the lingual frenum

b. On the floor of the mouth

c. On the buccal mucosa opposite the maxillary second molar

d. At the caruncular

59 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The adenoid

b. All the answers in this question are correct

c. The lingual tonsil

d. The tonsil

60 / 60

Specialized cells stem from:

a. Basal layer and prickle cell layer

b. Granular layer

c. Basement membrane

d. Cornified layer

Your score is

The average score is 78%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត