Oral Histology Test

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Oral Histology Test

1 / 60

Buccal mucosa is?

a. Keratinized

b. Ortho keratinized

c. Para keratinized

d. Non- keratinized

2 / 60

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

a. Submandibular gland

b. Sublingual gland

c. All the answers in this question are incorrect

d. Parotid gland

3 / 60

Most cases of tonsillitis occur in which age group:

a. 10 and under

b. 21 to 40

c. 40 to 65

d. 11 to 21

4 / 60

Color of the normal gingiva is?

a. Red

b. Pink

c. Coral pink

d. All the answers in this question are incorrect

5 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Glucose

b. ច្រោះ Proteins

c. ច្រោះ Toxic products

d. ច្រោះ Lipids

6 / 60

Which of the following is found in the cerebellum:

a. Basket cells

b. Neuroglia

c. Ganglion

d. Schwann cells

7 / 60

What is a secretory cell in oral cavity:

a. Cell producing gastric acid

b. Cell producing saliva

c. Cell producing hormone

d. Cell producing histamine

8 / 60

Endothelium and mesothelium form cellular membranes which have the same histologic structure as?

a. Simple squamous epithelium

b. Stratified squamous epithelium

c. Simple columnar epithelium

d. Stratified cuboidal epithelium

9 / 60

Basement membrane?

a. Contains lamina lucida and lamina dura

b. Consists of desmosomes and hemidesmosomes

c. Consists lurati hyaline granules

d. Consists of lamina densa and lamina lucida

10 / 60

Myoepithelial cell of an acini is:

a. kind of contractile cell on an acini

b. kind of cell in a tonsil

c. kind of cell in a heart

d. kind of cell in a salivery gland

11 / 60

Taste buds are in

a. Tongue

b. Hard palate

c. Soft palate

d. Teeth

12 / 60

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

a. Basal cells and parabasal spinous cslls

b. Basal cell layer

c. Spinous cells and granular cells

d. Granular cell layer

13 / 60

Taste buds មិនមាននៅក្នុង:

a. Circumvallate papillae

b. Filiform papillae

c. Fungiform papillae

d. Foliate papillae

14 / 60

Masticatory mucosa is?

a. Para keratinized

b. Sub keratinized

c. Non keratinized

d. Ortho keratinized

15 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum granulosome cells

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

c. Destroying desmosome in stratum basal cells

d. Destroying desmosome in stratum spinosum cells

16 / 60

Glands are classified based on?

a. Branching pattern of the ducts

b. All the answers in this question are correct

c. Their secretory product

d. Made of secretion

17 / 60

The mucogingival junction is the junction of:

a. Palatine gingival & rougae zone.

b. Sulcular epithelium & free gingiva.

c. Sulcular epithelium & free gingiva.

d. Alveolar mucosa and attached gingiva.

18 / 60

Stenon’s duct is of:

a. Sub-lingual gland

b. Minor gland

c. Parotide gland

d. Sub-mandibular gland

19 / 60

The structure of the oral mucosa is:

a. Mucosa & submucosa.

b. Epithelium, lamina propria and muscular layer.

c. Epithelium, lamina propria and basement membrane.

d. Epithelium and basement membrane.

20 / 60

The parotid gland opens :

a. At the caruncular

b. On the floor of the mouth

c. At the side of the lingual frenum

d. On the buccal mucosa opposite the maxillary second molar

21 / 60

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

a. 4th month

b. 1st month

c. 3rd month

d. 2nd month

22 / 60

Submandibular gland is supplied by:

a. Facial artery

b. Inferior alveolar artery

c. Lingual artery

d. Submandibular artery

23 / 60

Intermediate layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Parakeratinized epithelium

c. Keratinized epithelium

d. Orthokeratinized epithelium

24 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Larynx

c. នៅលើ Pharynx

d. នៅលើ Palate

25 / 60

The connective tissue of the gingiva is known as the?

a. Lamina dura

b. Fibroblasts

c. Dental cuticle

d. Lamina propria

26 / 60

The floor of the mouth is lined by:

a. Specialized mucosa.

b. Linning mucosa firmly attached.

c. Linning mucosa loosely attached.

d. Masticatory mucosa.

27 / 60

The areas of the tongue with the most taste buds is the:

a. Top

b. Tip and sides

c. Back

d. Underneath

28 / 60

Bacteria that cause disease are called:

a. Protozoa

b. Nonpathogenic

c. Pathogenic

d. Saprophytes

29 / 60

Parasites are types of:

a. Nonpathogenic bacteria

b. Disease

c. Pathogenic bacteria

d. Pathogenic virus

30 / 60

Bartholin’s duct is of:

a. Minor gland

b. Parotide gland

c. Sub-lingual gland

d. Sub-mandibular gland

31 / 60

The oral mucosa ចែកចេញជា:

a. បួនស្រទាប់ epithelium, basal layer, connective tissue and corium

b. បីស្រទាប់ epithelium, connective tissue and lamina propria

c. បួនស្រទាប់ epithelium, connective tissue, lamina propria and corium

d. ពីរស្រទាប់ epithelium and connective tissue

32 / 60

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

a. Tongue and soft palate

b. Gingiva and anterior part of hard palate

c. Retromolar area and hard palate

d. Lip and posterior third of the hard palate

33 / 60

Partially keratinized papilla is?

a. Fungiform

b. Circumvallate

c. Filliform

d. Foliate

34 / 60

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

a. Fungiform

b. Foliate

c. Filliform

d. Circumvallate

35 / 60

Which these may be a symptom of tonsillitis:

a. Swollen lymph nodes in the neck

b. Bad breath

c. Sore throat

d. Fever

e. All the answers in this question are correct

36 / 60

The somatic nervous system is part of the:

a. Sympathetic nervous system

b. Parasympathetic nervous system

c. All the answers in this question are incorrect

d. Autonomic nervous system

37 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

c. នៅលើ Larynx

d. នៅលើ Palate

38 / 60

Atrophy គឺជា៖

a. Lack of oxygen for cells

b. Chronic inflammation

c. Lack of nutrition for cells

d. Acute inflammation

39 / 60

Myoepithelial cells are present in :

a. Intercalated duct and terminal duct

b. Striate duct

c. Mucous cells

d. Serous cells

40 / 60

Bulla

a. large lesion

b. Vesicle

c. Large vesicles that are confluent

d. large pustule

41 / 60

Difference between the skin and mucosa of cheek is?

a. Rete pegs

b. Thick lamina propria on skin of cheek

c. Thin lamina and non keratinized mucosa of cheek

d. Keratinized mucosa of cheek

42 / 60

Hypertrophy គឺជា៖

a. Increase in cell number of an organ

b. Decrease in cell number of an organ

c. Increase in size of an organ

d. Decrease in size of an organ

43 / 60

Hypertrophy is?

a. Decrease in cell number of an organ

b. Increase in cell number of an organ

c. Decrease in size of an organ

d. Increase in size of an organ

44 / 60

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

a. A hard shell

b. Tiny hairs

c. A sticky top

d. All the answers in this question are correct

45 / 60

Displasia គឺជា៖

a. Disorder of cell structure formation

b. Disorder of cell in migration

c. Disorder of cell in mitosis

d. Disorder of cell distribution

46 / 60

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

a. Hard and soft palate

b. Gingiva and alveolar mucosa

c. Buccal and alveolar mucosa

d. Hard palate and gingiva

47 / 60

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

a. Keratohyaline granules.

b. Tonofilaments.

c. Odland's bodies.

d. Desmosomes.

48 / 60

Which of the following serves as a source of the cells which form the attachment epithelium?:

a. Dental sac.

b. Enamel cuticle.

c. Vestibular lamina.

d. Reduced enamel epithelium & gingiva.

49 / 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

50 / 60

Superficial layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Parakeratinized epithelium

c. Nonkeratinized epithelium

d. Keratinized epithelium

51 / 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

52 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. It does not contain basal lamina.

b. No tonofilaments are found in it.

c. It contains granular cell layer.

d. Contain a higher glycogen content.

53 / 60

The thinnest epithelium of oral cavity is found in the?

a. Oral surface of lip

b. Sublingual mucosa (floor of mouth)

c. Buccal gingiva

d. Lingual gingiva

54 / 60

Which one of the following epithelium is least common?

a. Pseudo stratified columnar ( ciliated )

b. Stratified columnar

c. Transitional

d. Simple columnar

55 / 60

Disease in plant or animal tissue is caused by:

a. Saprophytes

b. Acidophilus

c. Pathogenic bacteria

d. Nonpathogenic bacteria

56 / 60

The function of myoepithelial cells may be :

a. Initiating contraction

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

c. All the answers in this question are correct

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

57 / 60

Cornified layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Parakeratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

58 / 60

Taste buds មិនមាននៅក្នុង៖

a. Filiform papillae

b. Circumvallate papillae

c. Foliate papillae

d. Fungiform papillae

59 / 60

Keratohyaline granules are found in?

a. Stratum granulosum

b. Stratum spinosum

c. Prickle cell layer

d. Stratum basale

60 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The adenoid

b. The tonsil

c. All the answers in this question are correct

d. The lingual tonsil

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត