Oral Histology Test

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Oral Histology Test

1 / 60

Hypertrophy គឺជា៖

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

2 / 60

The total volume of saliva secreted daily is :

a. 750 ml

b. 2 litres

c. 3 litres

d. 1.5 litres

3 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Palate

b. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

c. នៅលើ Larynx

d. នៅលើ Pharynx

4 / 60

A sign of bacterial infection is:

a. Parasites

b. Bleeding

c. Pus

d. A cold

5 / 60

Buccal mucosa is?

a. Non- keratinized

b. Keratinized

c. Para keratinized

d. Ortho keratinized

6 / 60

The sulcular epithelium:

a. Is nonkeratinized.

b. Is keratinized.

c. Has thick epithelial layer.

d. Has long epithelial ridges.

7 / 60

The normal P^Hof saliva is about :

a. 7.5

b. 5.5

c. 8.5

d. 9.5

8 / 60

Bulla:

a. large pustule

b. Large vesicles that are confluent

c. Vesicle

d. large lesion

9 / 60

Von Ebner’s salivary gland is:

a. Sub-mandibular gland

b. Minor gland

c. Parotide gland

d. Sub-lingual gland

10 / 60

Merkel cells are found in which of the following tissue?

a. Papillary layer of dermis

b. Epidermis

c. Reticular of dermis

d. Hypodermis

11 / 60

Epithelium of oral mucous membrane is?

a. Keratinized

b. Ortho,Para and nonkeratinized

c. Only parakeratinized

d. Non keratinized

12 / 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 spinosum cells

d. Destroying desmosome in stratum basal cells

13 / 60

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

a. Circumvallate

b. Filliform

c. Foliate

d. Fungiform

14 / 60

Facial artery is the branch of the:

a. External carotid artery

b. Internal carotid artery

c. Superficial temporal

15 / 60

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

a. Streptococci

b. Bacilli

c. Diplococci

d. Staphylococci

16 / 60

Which of the following is not found in saliva :

a. Triypsine

b. Phosphate

c. Lysozyme

d. Bicarbonate

17 / 60

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

a. Sublingual gland

b. Von Ebner’s gland

c. Submandibular gland

d. Lacrimal gland

18 / 60

Intercalated duct is :

a. a duct from a paritide gland

b. a duct from a salivery gland

c. a duct from acinus

d. a duct from a lumen

19 / 60

B-cells ( lumphocytes ) can?

a. Give rise to plasma cells

b. Suppress T-cells

c. Kill other cells

d. Secrete interferon

20 / 60

Atrophy is?

a. Lack of nutrition for cells

b. Acute inflammation

c. Lack of oxygen for cells

d. Chronic inflammation

21 / 60

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

a. 2nd month

b. 1st month

c. 3rd month

d. 4th month

22 / 60

Secialized cells migrate:

a. to lamina propria

b. to the lower layer

c. to the upper layers

d. to basement membrane

23 / 60

Bartholin’s duct is the name of :

a. Submandibular duct

b. Sublingual duct

c. Parotid duct

d. Lacrimal duct

24 / 60

Keratohyalin granules are present in:

a. Granular layer and prickle cell layer

b. Cornified layer

c. Basal layer and prickle cell layer

d. Basement membrane

25 / 60

Which papillae are completely keratinized?

a. Circumvallate

b. Filliform

c. Foliate

d. Fungiform

26 / 60

Tongue papillae responsible for bitter taste sensation:

a. Circumvallate papillae.

b. Filliform papillae.

c. Fungiform papillae.

d. Foliate papillae.

27 / 60

Hyperkeratosis is:

a. Increase in size of keratin layer or stratum corneum

b. Increase in thickness of keratin layer or stratum corneum

c. Increase in wideness of keratin layer or stratum corneum

d. Increase in longevity of keratin layer or stratum corneum

28 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The tonsil

b. The adenoid

c. All the answers in this question are correct

d. The lingual tonsil

29 / 60

Hyperplasia គឺជា៖

a. Increase in size of an organ or tissue

b. Decrease in size of an organ

c. Decrease in cell number of an organ

d. Increase in cell number of an organ or tissue

30 / 60

Taste buds are in :

a. Hard palate

b. Teeth

c. Soft palate

d. Tongue

31 / 60

Specialized cells stem from:

a. Granular layer

b. Basement membrane

c. Cornified layer

d. Basal layer and prickle cell layer

32 / 60

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

a. Dentigerous cyst

b. Dermoid cyst

c. Ranula

d. Follicular cyst

33 / 60

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

a. II

b. III

c. I

d. IV

34 / 60

Basement membrane?

a. Contains lamina lucida and lamina dura

b. Consists of desmosomes and hemidesmosomes

c. Consists of lamina densa and lamina lucida

d. Consists lurati hyaline granules

35 / 60

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

a. Pemphigus

b. Herpes zoster

c. A granulocytosis

d. Herpes simplex

36 / 60

The p^H of whole saliva is :

a. 6.7 – 7.4

b. 1.2 – 2.4

c. 7.0 – 8.2

d. 3.0 – 5.6

37 / 60

Circumvallate papillae are supplied by?

a. Hypoglossal nerve

b. Lingual nerve

c. Vagus

d. Glossopharyngeal nerve

38 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Pharynx

c. នៅលើ Palate

d. នៅលើ Larynx

39 / 60

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

a. Roof of the soft plate

b. Tongue

c. Lips

d. Oropharynx

40 / 60

The most common malignancy found in the oral cavity is :

a. Transitional cell carcinoma

b. Basal cell carcinoma

c. Squamous cell carcinoma

d. Adenocarcinoma

41 / 60

The parotid glands open through the :

a. Stensen’s duct

b. Bartholin’s duct

c. Wharton’s duct

d. Blandin’s duct

42 / 60

Masticatory mucosa is?

a. Para keratinized

b. Non keratinized

c. Sub keratinized

d. Ortho keratinized

43 / 60

Disease in plant or animal tissue is caused by:

a. Pathogenic bacteria

b. Nonpathogenic bacteria

c. Acidophilus

d. Saprophytes

44 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Glucose

b. ច្រោះ Toxic products

c. ច្រោះ Lipids

d. ច្រោះ Proteins

45 / 60

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

a. All the answers in this question are incorrect

b. Under the tongue

c. In the ears

d. Behind the nose and roof of the mouth

46 / 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

47 / 60

The three laterally paired major salivary glands are located :

a. In tongue

b. Intra orally

c. Extra orally

d. In neck

48 / 60

The taste buds are rubbed off and replaced every:

a. Year

b. 7-10 days

c. 30 days

d. Day

49 / 60

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

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

b. Its epithelial cells are keratinized stratified squamous.

c. It shifts apically with age.

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

50 / 60

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

a. Sublingual gland

b. Parotid gland

c. All the answers in this question are incorrect

d. Submandibular gland

51 / 60

Masticatory mucosa has:

a. Elastic fibers in its lamina propria.

b. No connective tissue papillae.

c. Elastic fibers in its blood vessels wall.

d. Stratum corneum.

52 / 60

A long with a sore throat and fever ,which of these can be a symptom of an adenoid infection:

a. Snoring during sleep

b. All the answers in this question are correct

c. Ear infections that keep coming back

d. Breathing mostly through the mouth, rather than through the nose

e. Noisy breathing while a wake

53 / 60

The peripheral nervous system includes the:

a. Spinal cord

b. Somatic nervous system

c. Nuclei

d. Brain

54 / 60

Specialized cells stem from

a. Cornified layer

b. Basal layer and prickle cell layer

c. Basement membrane

d. Granular layer

55 / 60

How many neurones are in the body of man:

a. 10,000,000,000,000

b. 10,000,000,000

c. 10,000

d. 10,000,000

56 / 60

Striated duct is:

a. a duct from intercalated ducts

b. a duct from a system duct

c. a duct from a submandibular gland

d. a duct from a salivery gland

57 / 60

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

a. All the answers in this question are correct

b. A hard shell

c. Tiny hairs

d. A sticky top

58 / 60

The oral mucosa ចែកចេញជា:

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

b. បីស្រទាប់ epithelium, connective tissue and lamina propria

c. ពីរស្រទាប់ epithelium and connective tissue

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

59 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

b. នៅលើ Larynx

c. នៅលើ Palate

d. នៅលើ Pharynx

60 / 60

The connective tissue of the gingiva is known as the?

a. Lamina propria

b. Dental cuticle

c. Fibroblasts

d. Lamina dura

Your score is

The average score is 78%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត