Oral Histology Test

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Oral Histology Test

1 / 60

Masticatory mucosa in the oral cavity covers the?

a. Lip and cheek

b. Alveolar mucosa and vestibular fornix

c. Floor of the mouth and soft palate

d. Gingiva and hard palate

2 / 60

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

a. Lacrimal gland

b. Submandibular gland

c. Von Ebner’s gland

d. Sublingual gland

3 / 60

Normal
0

false
false
false

EN-US
JA
KHM

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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.

4 / 60

How many neurones are in the body of man:

a. 10,000,000

b. 10,000

c. 10,000,000,000

d. 10,000,000,000,000

5 / 60

Intercalated duct is :

a. a duct from a paritide gland

b. a duct from acinus

c. a duct from a lumen

d. a duct from a salivery gland

6 / 60

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

a. Circumvallate

b. Filliform

c. Foliate

d. Fungiform

7 / 60

Difference between the skin and mucosa of cheek is?

a. Thin lamina and non keratinized mucosa of cheek

b. Keratinized mucosa of cheek

c. Thick lamina propria on skin of cheek

d. Rete pegs

8 / 60

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

a. Retromolar area and hard palate

b. Tongue and soft palate

c. Gingiva and anterior part of hard palate

d. Lip and posterior third of the hard palate

9 / 60

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

a. Stratum granulosum.

b. Prickle cell layer.

c. Basal cell layer.

d. The tonofilaments.

10 / 60

Saliva is secreted by:

a. Minor salivary glands

b. Major salivary glands

c. Parotid glands

d. Major and minor salivary glands

11 / 60

Which of the following appears to play an important role in attachment of its cells:

a. Keratohyaline granules.

b. Glycogen contents.

c. Lysosomes.

d. Desmosomes.

12 / 60

Intermediate layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Orthokeratinized epithelium

c. Parakeratinized epithelium

d. Nonkeratinized epithelium

13 / 60

Secialized cells migrate:

a. to the upper layers

b. to lamina propria

c. to the lower layer

d. to basement membrane

14 / 60

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

a. Langerhans cell

b. Lymphocyte

c. Merkel cell

d. Melanocyte

15 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. It contains granular cell layer.

b. No tonofilaments are found in it.

c. Contain a higher glycogen content.

d. It does not contain basal lamina.

16 / 60

The mucous membrane of cheek and lips?

a. A and B are correct

b. It attached to orbicularis oris in lips

c. All the answers in this question are incorrect

d. It attached to buccinators muscle in cheek

17 / 60

Basement membrane នៅចន្លោះ:

a. Lamina propria and submucosa

b. Epithelium and lamina propria

c. Epithelium and Bone

d. Epithelium and submucosa

18 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum granulosome cells

b. Destroying desmosome in stratum spinosum cells

c. Destroying desmosome in stratum basal cells

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

19 / 60

Which of the following is purely mucous :

a. Glossopalatine glands

b. Posterior lingual mucous glands

c. Palatine glands

d. All the answers in this question are correct

20 / 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 don’t do anything

d. They are part of your immune system

21 / 60

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

a. I

b. III

c. II

d. IV

22 / 60

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

a. Can migrate coronally.

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

c. Is impermeable to dyes and fluids.

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

23 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅលើ Larynx

d. ចន្លោះ anterior pillar and posterior pillar

24 / 60

Basement membrane?

a. Consists of lamina densa and lamina lucida

b. Contains lamina lucida and lamina dura

c. Consists of desmosomes and hemidesmosomes

d. Consists lurati hyaline granules

25 / 60

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

a. It moves occlusally with age.

b. It moves apically with age.

c. It is derived entirely from ectomesenchyme.

d. Contains clear submucosa.

26 / 60

Keratohyaline granules are found in?

a. Stratum basale

b. Stratum spinosum

c. Stratum granulosum

d. Prickle cell layer

27 / 60

Inflammation of the lips is refered to as?

a. Stomatitis

b. Vincent angina

c. Cheilitis

d. Glossitis migrican

28 / 60

Labial and buccal miner salivary glands are:

a. Mixed

b. Purely mucous

c. All the answers in this question are incorrect

d. Purely serous

29 / 60

The immunoglobulin present in saliva is :

a. IgG

b. IgM

c. IgA

d. IgE

30 / 60

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

a. Vestibular fornix.

b. Buccal mucosa.

c. Hard palate.

d. Attached gingiva.

31 / 60

The connective tissue of the gingiva is known as the?

a. Fibroblasts

b. Lamina dura

c. Dental cuticle

d. Lamina propria

32 / 60

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

a. Sublingual gland

b. Submandibular gland

c. All the answers in this question are incorrect

d. Parotid gland

33 / 60

Bartholin’s duct drains the:

a. Parotid

b. Sublingual gland

c. Lacrimal gland

d. Submandibular gland

34 / 60

Striated duct is:

a. a duct from a salivery gland

b. a duct from a submandibular gland

c. a duct from a system duct

d. a duct from intercalated ducts

35 / 60

Most areas of oral mucosa are:

a. NonKeratiniezd stratified epithelium

b. ParaKeratiniezd stratified epithelium

c. Keratiniezd stratified epithelium

d. OrthoKeratiniezd stratified epithelium

36 / 60

Technical term for bacteria that live on dead matter is:

a. Flagella

b. Parasites

c. Saprophytes

d. Viruses

37 / 60

Displasia គឺជា៖

a. Disorder of cell in mitosis

b. Disorder of cell distribution

c. Disorder of cell structure formation

d. Disorder of cell in migration

38 / 60

The most common malignancy found in the oral cavity is :

a. Transitional cell carcinoma

b. Adenocarcinoma

c. Squamous cell carcinoma

d. Basal cell carcinoma

39 / 60

When do tonsils or adenoids need to be removed:

a. When a child is 5 years old

b. When a child is having learning problems

c. All the answers in this question are incorrect

d. When a child is 10 years old

40 / 60

Masticatory mucosa is?

a. Non keratinized

b. Sub keratinized

c. Ortho keratinized

d. Para keratinized

41 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The tonsil

b. All the answers in this question are correct

c. The adenoid

d. The lingual tonsil

42 / 60

Normal
0

false
false
false

EN-US
JA
KHM

Which is not true about taste buds:

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

b. Taste buds extend from the basal lamina to the surface of epithelium.

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

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

43 / 60

Granular cell tumors of the adult is commonly seen on?

a. Lower lip

b. Gingiva

c. Upper lip

d. Tongue

44 / 60

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

a. Dermoid cyst

b. Ranula

c. Follicular cyst

d. Dentigerous cyst

45 / 60

The mushroom shaped papillae on the tongue are called:

a. Circumvallate

b. Foliate

c. Fungiform

d. Filliform

46 / 60

Soft palate is?

a. Looser posterior portion of the palate

b. Looser anterior portion of the palate

c. Posterior pillar of tonsils

d. Anterior pillar of tonsils

47 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Glucose

b. ច្រោះ Lipids

c. ច្រោះ Proteins

d. ច្រោះ Toxic products

48 / 60

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

a. Circumvallate

b. Filliform

c. Foliate

d. Fungiform

49 / 60

Merkel cells are found in which of the following tissue?

a. Papillary layer of dermis

b. Epidermis

c. Hypodermis

d. Reticular of dermis

50 / 60

Sublingual glands is a :

a. Present in root of the tongue

b. Mucous gland

c. Mixed glands

d. Serous gland

51 / 60

The basket cells are also known as :

a. Endothelial cells

b. All the answers in this question are incorrect

c. Parenchymal cells

d. Myoepithelial cells

52 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Palatine tonsils and Lingual tonsil

b. All are corrects

c. Pharyngeal tonsil

d. Tubal tonsil

53 / 60

Specialized cells stem from

a. Basal layer and prickle cell layer

b. Basement membrane

c. Cornified layer

d. Granular layer

54 / 60

Atrophy គឺជា៖

a. Lack of oxygen for cells

b. Acute inflammation

c. Lack of nutrition for cells

d. Chronic inflammation

55 / 60

The parotid gland opens :

a. On the floor of the mouth

b. At the caruncular

c. On the buccal mucosa opposite the maxillary second molar

d. At the side of the lingual frenum

56 / 60

The mode of attachment of the junctional epithelium is:

a. Enamel cuticle.

b. Basal lamina & hemidesmosome.

c. Basement membrane.

d. Odland's bodies.

57 / 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. Folliate.

b. Circumvallate.

c. Filliform.

d. Fungiform.

58 / 60

Bacteria that cause disease are called:

a. Nonpathogenic

b. Protozoa

c. Pathogenic

d. Saprophytes

59 / 60

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

a. A sticky top

b. A hard shell

c. All the answers in this question are correct

d. Tiny hairs

60 / 60

The humans, the lining epithelium of the esophagus is?

a. Transitional

b. Simple columnar

c. Stratified squamous, non-keratinized

d. Stratified squamous, keratinized

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត