Oral Histology Test

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Oral Histology Test

1 / 60

Basement membrane នៅចន្លោះ:

a. Lamina propria and submucosa

b. Epithelium and Bone

c. Epithelium and lamina propria

d. Epithelium and submucosa

2 / 60

Which of the following regions has a nonkeratinized epithelium and is loosely attached to the underlying structures?:

a. Vestibular fornix.

b. Attached gingiva.

c. Buccal mucosa.

d. Hard palate.

3 / 60

The spirilla bacteria Trepnema pallida causes:

a. Tuberculosis

b. Syphilis

c. Pneumonia

d. Abscesses

4 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Toxic products

b. ច្រោះ Proteins

c. ច្រោះ Lipids

d. ច្រោះ Glucose

5 / 60

Bulla:

a. Vesicle

b. Large vesicles that are confluent

c. large pustule

d. large lesion

6 / 60

Granular cell myoblastoma of tongue is?

a. Developmental anomaly of the tongue.

b. Lymphatic enlargement of the tongue

c. Malignant tumor of the tongue

d. Benign tumor

7 / 60

Which of the following is purely mucous :

a. Glossopalatine glands

b. Posterior lingual mucous glands

c. All the answers in this question are correct

d. Palatine glands

8 / 60

The three laterally paired major salivary glands are located :

a. Extra orally

b. In neck

c. Intra orally

d. In tongue

9 / 60

Glands are classified based on?

a. Their secretory product

b. Made of secretion

c. All the answers in this question are correct

d. Branching pattern of the ducts

10 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Sulcular epithelium

c. Hyper orthokeratosis

d. Hyper parakeratosis

11 / 60

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

a. Sublingual gland

b. Lacrimal gland

c. Von Ebner’s gland

d. Submandibular gland

12 / 60

The most common malignancy found in the oral cavity is :

a. Adenocarcinoma

b. Transitional cell carcinoma

c. Basal cell carcinoma

d. Squamous cell carcinoma

13 / 60

A cyst occurring under the tongue caused by obstruction of salivary gland duct is called a?

a. Ranula

b. Dentigerous cyst

c. Dermiod cyst

d. Follicular cyst

14 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

c. នៅលើ Palate

d. នៅលើ Larynx

15 / 60

Vesicle គឺជា

a. ពងទឹកលាយខ្ទុះ

b. ពងទឹកលាយឈាម

c. ពងខ្ទុះ

d. ពងទឹក

16 / 60

Taste buds មិនមាននៅក្នុង:

a. Fungiform papillae

b. Filiform papillae

c. Circumvallate papillae

d. Foliate papillae

17 / 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

18 / 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

19 / 60

What is the end of an axon called:

a. Terminal bouton

b. Astrocyte

c. Perikaryon

d. Ganglion

20 / 60

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

a. Retromolar area and hard palate

b. Gingiva and anterior part of hard palate

c. Lip and posterior third of the hard palate

d. Tongue and soft palate

21 / 60

The thinnest epithelium of oral cavity is found in the?

a. Buccal gingiva

b. Sublingual mucosa (floor of mouth)

c. Oral surface of lip

d. Lingual gingiva

22 / 60

Striated duct is:

a. a duct from intercalated ducts

b. a duct from a salivery gland

c. a duct from a system duct

d. a duct from a submandibular gland

23 / 60

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

a. 3rd month

b. 1st month

c. 4th month

d. 2nd month

24 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Wharton’s duct

c. Blandin’s duct

d. Stensen’s duct

25 / 60

The humans, the lining epithelium of the esophagus is?

a. Stratified squamous, keratinized

b. Transitional

c. Stratified squamous, non-keratinized

d. Simple columnar

26 / 60

Difference between the skin and mucosa of cheek is?

a. Thin lamina and non keratinized mucosa of cheek

b. Thick lamina propria on skin of cheek

c. Rete pegs

d. Keratinized mucosa of cheek

27 / 60

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

a. It is derived entirely from ectomesenchyme.

b. Contains clear submucosa.

c. It moves apically with age.

d. It moves occlusally with age.

28 / 60

Intermediate layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Orthokeratinized epithelium

c. Parakeratinized epithelium

d. Keratinized epithelium

29 / 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.

30 / 60

Which papillae are completely keratinized?

a. Foliate

b. Circumvallate

c. Fungiform

d. Filliform

31 / 60

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

a. Melanocytes

b. Myoepithelial cell

c. Keratinocytes

d. Mast cells

32 / 60

Taste buds are not found on:

a. Filliform papillae.

b. Foliate papillae.

c. Fungiform papillae.

d. Circumvallate papillae.

33 / 60

Sulcular epithelium is formed of:

a. Parakeratinized stratified squamous epithelium.

b. Columnar epithelium.

c. Nonkeratinized stratified squamous epithelium.

d. Orthokeratinized stratified squamous epithelium.

34 / 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

35 / 60

Which of the following is true of the sulcular epithelium:

a. Contain connective tissue papillae.

b. Has submucosa.

c. Is nonkeratinized.

d. Consists of keratinized epithelium.

36 / 60

The vermilion border requires frequent moistening because?

a. It contains more of sweat glands

b. It contains less number of sweat glands

c. It contains less number of sebaceous glands

d. It contains more of sebaceous glands

37 / 60

Taste buds មិនមាននៅក្នុង៖

a. Foliate papillae

b. Fungiform papillae

c. Filiform papillae

d. Circumvallate papillae

38 / 60

Atrophy is?

a. Acute inflammation

b. Lack of nutrition for cells

c. Chronic inflammation

d. Lack of oxygen for cells

39 / 60

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

a. Submandibular and Sublingual

b. Von Ebner

c. Submandibular and Parotid

d. Sublingual and Parotid

40 / 60

Bartholin’s duct is the name of :

a. Submandibular duct

b. Sublingual duct

c. Lacrimal duct

d. Parotid duct

41 / 60

Larges amount of saliva is produced by :

a. Sublingual glands

b. Von Ebner glands

c. Submandibular glands

d. Parotid glands

42 / 60

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

a. Filliform

b. Fungiform

c. Foliate

d. Circumvallate

43 / 60

The floor of the mouth is lined by:

a. Linning mucosa loosely attached.

b. Linning mucosa firmly attached.

c. Masticatory mucosa.

d. Specialized mucosa.

44 / 60

Submandibular gland is supplied by:

a. Inferior alveolar artery

b. Lingual artery

c. Submandibular artery

d. Facial artery

45 / 60

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

a. Keratohyaline granules.

b. Odland's bodies.

c. Tonofilaments.

d. Desmosomes.

46 / 60

When do tonsils or adenoids need to be removed:

a. All the answers in this question are incorrect

b. When a child is 10 years old

c. When a child is having learning problems

d. When a child is 5 years old

47 / 60

Hyperkeratosis is:

a. Increase in wideness of keratin layer or stratum corneum

b. Increase in size of keratin layer or stratum corneum

c. Increase in thickness of keratin layer or stratum corneum

d. Increase in longevity of keratin layer or stratum corneum

48 / 60

Granular cell tumors of the adult is commonly seen on?

a. Lower lip

b. Upper lip

c. Gingiva

d. Tongue

49 / 60

Labial and buccal miner salivary glands are:

a. Purely serous

b. Purely mucous

c. Mixed

d. All the answers in this question are incorrect

50 / 60

The normal P^Hof saliva is about :

a. 5.5

b. 7.5

c. 8.5

d. 9.5

51 / 60

What is a secretory cell in oral cavity:

a. Cell producing histamine

b. Cell producing saliva

c. Cell producing hormone

d. Cell producing gastric acid

52 / 60

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

a. Ribosomes.

b. Membrane coating granules.

c. Tonofibrils.

d. Keratohyaline granules.

53 / 60

The mushroom shaped papillae on the tongue are called:

a. Fungiform

b. Circumvallate

c. Filliform

d. Foliate

54 / 60

B-cells ( lumphocytes ) can?

a. Secrete interferon

b. Suppress T-cells

c. Kill other cells

d. Give rise to plasma cells

55 / 60

Keratohyaline granules are found in?

a. Prickle cell layer

b. Stratum granulosum

c. Stratum spinosum

d. Stratum basale

56 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

b. នៅលើ Larynx

c. នៅលើ Pharynx

d. នៅលើ Palate

57 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum spinosum cells

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

c. Destroying desmosome in stratum basal cells

d. Destroying desmosome in stratum granulosome cells

58 / 60

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

a. Parotid glands

b. All the answers in this question are incorrect

c. Submandibular glands

d. Sublingual glands

59 / 60

Non keratinized epithelium is found over?

a. Free gingiva

b. Interdental papilla

c. Attached gingiva

d. Gingival sulcus

60 / 60

Specialized cells stem from

a. Basement membrane

b. Basal layer and prickle cell layer

c. Cornified layer

d. Granular layer

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត