Oral Histology Test

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Oral Histology Test

1 / 60

A node of Ranvier is?

a. A junction between two schwann cells

b. A constriction of the axon

c. Characteristic of unmyelinated fibers

d. A nerve receptor

2 / 60

Inflammation of the lips is refered to as?

a. Cheilitis

b. Stomatitis

c. Glossitis migrican

d. Vincent angina

3 / 60

Granular cell tumors of the adult is commonly seen on?

a. Upper lip

b. Gingiva

c. Lower lip

d. Tongue

4 / 60

The mucosa of the dorsal surface of the tongue is:

a. Masticatory mucosa.

b. Spesialized mucosa.

c. Smooth surface.

d. Linning mucosa.

5 / 60

When do tonsils or adenoids need to be removed:

a. When a child is having learning problems

b. When a child is 10 years old

c. All the answers in this question are incorrect

d. When a child is 5 years old

6 / 60

Stenon’s duct is of:

a. Minor gland

b. Sub-lingual gland

c. Sub-mandibular gland

d. Parotide gland

7 / 60

The p^H of whole saliva is :

a. 3.0 – 5.6

b. 6.7 – 7.4

c. 1.2 – 2.4

d. 7.0 – 8.2

8 / 60

Soft palate is?

a. Looser posterior portion of the palate

b. Anterior pillar of tonsils

c. Posterior pillar of tonsils

d. Looser anterior portion of the palate

9 / 60

Vesicle គឺជា

a. ពងទឹកលាយឈាម

b. ពងខ្ទុះ

c. ពងទឹក

d. ពងទឹកលាយខ្ទុះ

10 / 60

The oral mucosa ចែកចេញជា:

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

b. បីស្រទាប់ epithelium, connective tissue and lamina propria

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

d. ពីរស្រទាប់ epithelium and connective tissue

11 / 60

The total volume of saliva secreted daily is :

a. 2 litres

b. 1.5 litres

c. 750 ml

d. 3 litres

12 / 60

Normal
0

false
false
false

EN-US
JA
KHM

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Fungiform papillae:

a. Carry taste buds.

b. Have a lamina propria which is poorly vascularized.

c. Have a stratum corneum.

d. Are seen as white spots.

13 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Sulcular epithelium

c. Hyper orthokeratosis

d. Hyper parakeratosis

14 / 60

The most common benign tumor occurring in the oral cavity is the :

a. Fibroma

b. Papilloma

c. Adenoma

d. Hemangioma

15 / 60

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

a. Chorda tympani.

b. Trigeminal nerve.

c. Facial nerve.

d. Glossopharyngeal nerve.

16 / 60

Bulla

a. Large vesicles that are confluent

b. Vesicle

c. large lesion

d. large pustule

17 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. It contains granular cell layer.

b. It does not contain basal lamina.

c. Contain a higher glycogen content.

d. No tonofilaments are found in it.

18 / 60

The mushroom shaped papillae on the tongue are called:

a. Fungiform

b. Circumvallate

c. Foliate

d. Filliform

19 / 60

Secialized cells migrate:

a. to lamina propria

b. to the lower layer

c. to the upper layers

d. to basement membrane

20 / 60

The sweet taste come from:

a. All the answers in this question are correct

b. Sugars

c. Alcohols

d. Amino acids

21 / 60

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

a. Ear infections that keep coming back

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

c. Snoring during sleep

d. All the answers in this question are correct

e. Noisy breathing while a wake

22 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Viruses

b. Fungi

c. Cilia

d. Bacteria

23 / 60

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

a. Gingiva and anterior part of hard palate

b. Lip and posterior third of the hard palate

c. Retromolar area and hard palate

d. Tongue and soft palate

24 / 60

Striated duct is:

a. a duct from a submandibular gland

b. a duct from a salivery gland

c. a duct from intercalated ducts

d. a duct from a system duct

25 / 60

Basement membrane?

a. Contains lamina lucida and lamina dura

b. Consists lurati hyaline granules

c. Consists of lamina densa and lamina lucida

d. Consists of desmosomes and hemidesmosomes

26 / 60

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

a. Hard palate and gingiva

b. Buccal and alveolar mucosa

c. Gingiva and alveolar mucosa

d. Hard and soft palate

27 / 60

Which of the following is a transiant cell in the oral epithelium:

a. Melanocyte.

b. Merkel cell.

c. Langerhans cell.

d. Lymphocyte.

28 / 60

Which of the following is true of the sulcular epithelium:

a. Has submucosa.

b. Contain connective tissue papillae.

c. Is nonkeratinized.

d. Consists of keratinized epithelium.

29 / 60

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

a. 3rd month

b. 2nd month

c. 4th month

d. 1st month

30 / 60

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

a. Stratum granulosum.

b. Basal cell layer.

c. The tonofilaments.

d. Prickle cell layer.

31 / 60

ចំពោះមនុស្សដែលមានសុខភាពល្អម្នាក់ lymph nodes ជាធម្មតា :

a. Free

b. Soft

c. Small

d. All the answers in this question are correct

32 / 60

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

a. Hard palate.

b. Vestibular fornix.

c. Attached gingiva.

d. Buccal mucosa.

33 / 60

Specialized cells stem from:

a. Basal layer and prickle cell layer

b. Basement membrane

c. Granular layer

d. Cornified layer

34 / 60

Keratohyaline granules are found in?

a. Stratum basale

b. Stratum spinosum

c. Prickle cell layer

d. Stratum granulosum

35 / 60

How many neurones are in the body of man:

a. 10,000,000,000,000

b. 10,000,000

c. 10,000,000,000

d. 10,000

36 / 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

37 / 60

Disease in plant or animal tissue is caused by:

a. Pathogenic bacteria

b. Nonpathogenic bacteria

c. Acidophilus

d. Saprophytes

38 / 60

Hyperplasia គឺជា៖

a. Decrease in cell number of an organ

b. Increase in cell number of an organ or tissue

c. Decrease in size of an organ

d. Increase in size of an organ or tissue

39 / 60

Vesicle or Bullae of the mucous membrane or skin are seen in all the following except :

a. Pemphigus

b. Herpes simplex

c. Herpes zoster

d. A granulocytosis

40 / 60

The humans, the lining epithelium of the esophagus is?

a. Stratified squamous, keratinized

b. Stratified squamous, non-keratinized

c. Transitional

d. Simple columnar

41 / 60

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

a. Fungiform

b. Foliate

c. Filliform

d. Circumvallate

42 / 60

Excretory duct is

a. a duct from a sublimgual gland

b. a duct from a submandibular gland

c. a duct from a striated ducts

d. a duct from a parotide gland

43 / 60

Non keratinized epithelium is found over?

a. Free gingiva

b. Gingival sulcus

c. Interdental papilla

d. Attached gingiva

44 / 60

20 Which of the following contributes to the reddish coloration of the vermilion border?:

a. Vascularity of the lamina propria.

b. Existance of high number of langerhans cells.

c. Epithelial keratinization.

d. Thichness of oral epithelium.

45 / 60

The spirilla bacteria Trepnema pallida causes:

a. Abscesses

b. Pneumonia

c. Tuberculosis

d. Syphilis

46 / 60

Lumen is:

a. a central opening of a tooth

b. a cental opening of an acini

c. a central opening of a gland

d. a central opening of an oral cavity

47 / 60

Which papillae are completely keratinized?

a. Filliform

b. Circumvallate

c. Foliate

d. Fungiform

48 / 60

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

a. Diplococci

b. Staphylococci

c. Bacilli

d. Streptococci

49 / 60

Supporting cells of taste buds are called as?

a. Sustenticular cells

b. Acini

c. Von Ebner cells

d. Taste cells

50 / 60

Masticatory mucosa in the oral cavity covers the?

a. Gingiva and hard palate

b. Lip and cheek

c. Alveolar mucosa and vestibular fornix

d. Floor of the mouth and soft palate

51 / 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. 10 to 20 neuroepithelial cells are the receptors of taste stimuli in a taste bud.

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

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

52 / 60

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

a. Pemphigus

b. A granulocytosis

c. Herpes simplex

d. Herpes zoster

53 / 60

Which of the following papillae of the tongue do not contain taste buds:

a. Vallate.

b. Fungiform.

c. Filliform.

d. Foliate.

54 / 60

Basement membrane នៅចន្លោះ

a. Epithelium and Bone

b. Epithelium and lamina propria

c. Lamina propria and submucosa

d. Epithelium and submucosa

55 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Larynx

c. នៅលើ Pharynx

d. នៅលើ Palate

56 / 60

Healthy line is represented in:

a. Junction of the buccal and labial mucosa.

b. Mucogingival junction.

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

d. Free gingival groove.

57 / 60

The most common malignancy found in the oral cavity is :

a. Squamous cell carcinoma

b. Adenocarcinoma

c. Basal cell carcinoma

d. Transitional cell carcinoma

58 / 60

The buccal mucosa:

a. It is firmly attached to the underlying tissues.

b. Is continuous with the gingival mucosa.

c. Has a keratinized epithelium.

d. Has numerous connective tissue papillae.

59 / 60

Taste buds មិនមាននៅក្នុង:

a. Fungiform papillae

b. Circumvallate papillae

c. Filiform papillae

d. Foliate papillae

60 / 60

Bacteria that cause disease are called:

a. Saprophytes

b. Protozoa

c. Pathogenic

d. Nonpathogenic

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត