Oral Histology Test

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Oral Histology Test

1 / 60

Salivary glands are not found in :

a. Anterior part of the hard palate

b. Nasopalatine canal

c. Posterior part of the hard palate

d. In mandible posterior to the 3rd molar

2 / 60

Atrophy is?

a. Chronic inflammation

b. Acute inflammation

c. Lack of nutrition for cells

d. Lack of oxygen for cells

3 / 60

The function of myoepithelial cells may be :

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

b. All the answers in this question are correct

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

d. Initiating contraction

4 / 60

Bartholin’s duct drains the:

a. Lacrimal gland

b. Submandibular gland

c. Sublingual gland

d. Parotid

5 / 60

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

a. Odland's bodies.

b. Keratohyaline granules.

c. Tonofilaments.

d. Desmosomes.

6 / 60

Specialized cells migrate

a. to lamina propria

b. to the lower layer

c. to the upper layers

d. to basement membrane

7 / 60

Supporting cells of taste buds are called as?

a. Sustenticular cells

b. Von Ebner cells

c. Acini

d. Taste cells

8 / 60

Taste buds មិនមាននៅក្នុង:

a. Circumvallate papillae

b. Fungiform papillae

c. Filiform papillae

d. Foliate papillae

9 / 60

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

a. Floor of the mouth.

b. Buccal mucosa.

c. Gingiva.

d. Alveolar mucosa.

10 / 60

Color of the normal gingiva is?

a. All the answers in this question are incorrect

b. Red

c. Pink

d. Coral pink

11 / 60

Normal
0

false
false
false

EN-US
JA
KHM

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

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

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

12 / 60

How are infections of the tonsils or adenoids usually treat:

a. Antibiotic

b. Acetaminophen

c. All the answers in this question are incorrect

d. Aspirin

13 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. All the answers in this question are correct

b. Tubal tonsil

c. Palatine tonsils and Lingual tonsil

d. Pharyngeal tonsil

14 / 60

Which of the following represents the correct innervation of fungiform papilla?:

a. Trigeminal nerve.

b. Chorda tympani.

c. Glossopharyngeal nerve.

d. Facial nerve.

15 / 60

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

a. Submandibular and Parotid

b. Von Ebner

c. Sublingual and Parotid

d. Submandibular and Sublingual

16 / 60

Keratohyalin granules are present in

a. Basement membrane

b. Basal layer and prickle cell layer

c. Granular layer and prickle cell layer

d. Cornified layer

17 / 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

18 / 60

Lumen is:

a. a central opening of a gland

b. a cental opening of an acini

c. a central opening of a tooth

d. a central opening of an oral cavity

19 / 60

Which of the following is found in the cerebellum:

a. Basket cells

b. Schwann cells

c. Ganglion

d. Neuroglia

20 / 60

Bacteria that cause disease are called:

a. Protozoa

b. Saprophytes

c. Nonpathogenic

d. Pathogenic

21 / 60

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

a. A sticky top

b. All the answers in this question are correct

c. A hard shell

d. Tiny hairs

22 / 60

The three laterally paired major salivary glands are located :

a. Intra orally

b. In tongue

c. In neck

d. Extra orally

23 / 60

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

a. The tonofilaments.

b. Prickle cell layer.

c. Stratum granulosum.

d. Basal cell layer.

24 / 60

Specialized cells stem from:

a. Granular layer

b. Cornified layer

c. Basement membrane

d. Basal layer and prickle cell layer

25 / 60

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

a. It moves apically with age.

b. It is derived entirely from ectomesenchyme.

c. It moves occlusally with age.

d. Contains clear submucosa.

26 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The lingual tonsil

b. The adenoid

c. The tonsil

d. All the answers in this question are correct

27 / 60

Bulla

a. Large vesicles that are confluent

b. large pustule

c. large lesion

d. Vesicle

28 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type IV collagen

b. Type III collagen

c. Type I and II collagen

d. Type I collagen

29 / 60

Granular cell myoblastoma of tongue is?

a. Lymphatic enlargement of the tongue

b. Benign tumor

c. Malignant tumor of the tongue

d. Developmental anomaly of the tongue.

30 / 60

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

a. Circumvallate

b. Foliate

c. Fungiform

d. Filliform

31 / 60

The high level clear cell present in the oral epithelium is?

a. Lymphocyte

b. Merkel cell

c. Langerhans cell

d. Melanocyte

32 / 60

Taste buds មិនមាននៅក្នុង៖

a. Foliate papillae

b. Filiform papillae

c. Fungiform papillae

d. Circumvallate papillae

33 / 60

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

a. Herpes zoster

b. Pemphigus

c. Herpes simplex

d. A granulocytosis

34 / 60

Hypertrophy is?

a. Decrease in size of an organ

b. Decrease in cell number of an organ

c. Increase in cell number of an organ

d. Increase in size of an organ

35 / 60

Technical term for bacteria that live on dead matter is:

a. Parasites

b. Viruses

c. Saprophytes

d. Flagella

36 / 60

B-cells ( lumphocytes ) can?

a. Secrete interferon

b. Give rise to plasma cells

c. Kill other cells

d. Suppress T-cells

37 / 60

Intercalated duct is :

a. a duct from a lumen

b. a duct from a paritide gland

c. a duct from a salivery gland

d. a duct from acinus

38 / 60

Healthy line is represented in:

a. Mucogingival junction.

b. Free gingival groove.

c. Junction of the buccal and labial mucosa.

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

39 / 60

The sulcular epithelium:

a. Is keratinized.

b. Has thick epithelial layer.

c. Has long epithelial ridges.

d. Is nonkeratinized.

40 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Pharynx

c. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

d. នៅលើ Palate

41 / 60

Normal
0

false
false
false

EN-US
JA
KHM

Fungiform papillae:

a. Are seen as white spots.

b. Have a stratum corneum.

c. Carry taste buds.

d. Have a lamina propria which is poorly vascularized.

42 / 60

Glands are classified based on?

a. All the answers in this question are correct

b. Made of secretion

c. Branching pattern of the ducts

d. Their secretory product

43 / 60

Myoepithelial cells are present in :

a. Striate duct

b. Mucous cells

c. Serous cells

d. Intercalated duct and terminal duct

44 / 60

Diskeratosis is?

a. Acute inflammation

b. Increasing in the number of cells

c. Chronic inflammation

d. Precancerous state

45 / 60

Saliva is secreted by:

a. Major and minor salivary glands

b. Minor salivary glands

c. Major salivary glands

d. Parotid glands

46 / 60

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

a. Behind the nose and roof of the mouth

b. In the ears

c. Under the tongue

d. All the answers in this question are incorrect

47 / 60

Tongue papillae responsible for bitter taste sensation:

a. Circumvallate papillae.

b. Foliate papillae.

c. Fungiform papillae.

d. Filliform papillae.

48 / 60

The parotid glands open through the :

a. Blandin’s duct

b. Stensen’s duct

c. Bartholin’s duct

d. Wharton’s duct

49 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Larynx

c. នៅលើ Palate

d. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

50 / 60

Sulcular epithelium is formed of:

a. Nonkeratinized stratified squamous epithelium.

b. Parakeratinized stratified squamous epithelium.

c. Columnar epithelium.

d. Orthokeratinized stratified squamous epithelium.

51 / 60

Inflammation of the lips is refered to as?

a. Glossitis migrican

b. Stomatitis

c. Vincent angina

d. Cheilitis

52 / 60

The p^H of whole saliva is :

a. 6.7 – 7.4

b. 7.0 – 8.2

c. 3.0 – 5.6

d. 1.2 – 2.4

53 / 60

Sublingual glands is a :

a. Mixed glands

b. Mucous gland

c. Present in root of the tongue

d. Serous gland

54 / 60

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

a. Buccal mucosa.

b. Vestibular fornix.

c. Hard palate.

d. Attached gingiva.

55 / 60

The total volume of saliva secreted daily is :

a. 750 ml

b. 2 litres

c. 1.5 litres

d. 3 litres

56 / 60

Partially keratinized papilla is?

a. Fungiform

b. Filliform

c. Foliate

d. Circumvallate

57 / 60

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

a. Ranula

b. Dermiod cyst

c. Follicular cyst

d. Dentigerous cyst

58 / 60

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

a. 2nd month

b. 3rd month

c. 4th month

d. 1st month

59 / 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

60 / 60

Bulla:

a. large pustule

b. Large vesicles that are confluent

c. large lesion

d. Vesicle

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត