Oral Histology Test

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Oral Histology Test

1 / 60

Bulla:

a. large pustule

b. Large vesicles that are confluent

c. Vesicle

d. large lesion

2 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Glucose

b. ច្រោះ Proteins

c. ច្រោះ Toxic products

d. ច្រោះ Lipids

3 / 60

Labial and buccal miner salivary glands are:

a. All the answers in this question are incorrect

b. Purely mucous

c. Purely serous

d. Mixed

4 / 60

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

a. Floor of the mouth.

b. Gingiva.

c. Alveolar mucosa.

d. Buccal mucosa.

5 / 60

Keratohyalin is found in the?

a. Stratum reticularis

b. Stratum granulosum

c. Hyalin cartilage

d. Stratum corneum

6 / 60

Bacteria that cause disease are called:

a. Protozoa

b. Pathogenic

c. Saprophytes

d. Nonpathogenic

7 / 60

How many neurones are in the body of man:

a. 10,000,000,000

b. 10,000,000,000,000

c. 10,000,000

d. 10,000

8 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Palate

b. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

c. នៅលើ Pharynx

d. នៅលើ Larynx

9 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and cells mitosis.

b. Abnormality of structure and development of epithelial cells.

c. Abnormality of migration and cells mitosis.

d. Abnormality of orientation and development of epithelial cells.

10 / 60

Vesicle គឺជា

a. ពងទឹក

b. ពងទឹកលាយឈាម

c. ពងខ្ទុះ

d. ពងទឹកលាយខ្ទុះ

11 / 60

The connective tissue of the gingiva is known as the?

a. Dental cuticle

b. Fibroblasts

c. Lamina propria

d. Lamina dura

12 / 60

Which of the following is not found in saliva :

a. Bicarbonate

b. Phosphate

c. Triypsine

d. Lysozyme

13 / 60

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

a. Attached gingiva.

b. Buccal mucosa.

c. Vestibular fornix.

d. Hard palate.

14 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Pharyngeal tonsil

b. Palatine tonsils and Lingual tonsil

c. Tubal tonsil

d. All the answers in this question are correct

15 / 60

Hyperplasia គឺជា៖

a. Decrease in size of an organ

b. Increase in cell number of an organ or tissue

c. Decrease in cell number of an organ

d. Increase in size of an organ or tissue

16 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum basal cells

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

c. Destroying desmosome in stratum spinosum cells

d. Destroying desmosome in stratum granulosome cells

17 / 60

Bartholin’s duct is the name of :

a. Sublingual duct

b. Parotid duct

c. Submandibular duct

d. Lacrimal duct

18 / 60

Sublingual glands is a :

a. Mucous gland

b. Serous gland

c. Present in root of the tongue

d. Mixed glands

19 / 60

Specialized cells stem from:

a. Basal layer and prickle cell layer

b. Granular layer

c. Basement membrane

d. Cornified layer

20 / 60

Saliva is secreted by:

a. Major and minor salivary glands

b. Major salivary glands

c. Minor salivary glands

d. Parotid glands

21 / 60

Specialized cells migrate

a. to lamina propria

b. to the lower layer

c. to basement membrane

d. to the upper layers

22 / 60

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

a. Granular cell layer

b. Spinous cells and granular cells

c. Basal cells and parabasal spinous cslls

d. Basal cell layer

23 / 60

Keratohyaline granules are more evident in?

a. Para keratinized

b. Non keratinized

c. Keratinized

d. Ortho keratinized

24 / 60

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

a. A granulocytosis

b. Herpes simplex

c. Pemphigus

d. Herpes zoster

25 / 60

The total volume of saliva secreted daily is :

a. 2 litres

b. 1.5 litres

c. 3 litres

d. 750 ml

26 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Larynx

27 / 60

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

a. Stratum granulosum.

b. The tonofilaments.

c. Basal cell layer.

d. Prickle cell layer.

28 / 60

Granular cell myoblastoma of tongue is?

a. Malignant tumor of the tongue

b. Benign tumor

c. Lymphatic enlargement of the tongue

d. Developmental anomaly of the tongue.

29 / 60

The spirilla bacteria Trepnema pallida causes:

a. Tuberculosis

b. Abscesses

c. Syphilis

d. Pneumonia

30 / 60

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

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

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

31 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and basement membrane.

b. Epithelium and basement membrane.

c. Epithelium, lamina propria and muscular layer.

d. Mucosa & submucosa.

32 / 60

The parotid glands open through the :

a. Bartholin’s duct

b. Blandin’s duct

c. Wharton’s duct

d. Stensen’s duct

33 / 60

Which of the following is true of the sulcular epithelium:

a. Consists of keratinized epithelium.

b. Has submucosa.

c. Contain connective tissue papillae.

d. Is nonkeratinized.

34 / 60

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

a. Its epithelial cells are keratinized stratified squamous.

b. It shifts apically with age.

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

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

35 / 60

Glands are classified based on?

a. Branching pattern of the ducts

b. Made of secretion

c. Their secretory product

d. All the answers in this question are correct

36 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

d. នៅលើ Larynx

37 / 60

The mushroom shaped papillae on the tongue are called:

a. Foliate

b. Filliform

c. Fungiform

d. Circumvallate

38 / 60

The p^H of whole saliva is :

a. 7.0 – 8.2

b. 1.2 – 2.4

c. 3.0 – 5.6

d. 6.7 – 7.4

39 / 60

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

a. Ranula

b. Dentigerous cyst

c. Follicular cyst

d. Dermoid cyst

40 / 60

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

a. Dental sac.

b. Reduced enamel epithelium & gingiva.

c. Vestibular lamina.

d. Enamel cuticle.

41 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Squamous cuboidal or columnar

b. Simple or stratified

c. Lining or granular

d. Keratinized or not keratinized

42 / 60

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

a. Contains clear submucosa.

b. It is derived entirely from ectomesenchyme.

c. It moves occlusally with age.

d. It moves apically with age.

43 / 60

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

a. Herpes simplex

b. Herpes zoster

c. A granulocytosis

d. Pemphigus

44 / 60

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

a. In the ears

b. All the answers in this question are incorrect

c. Under the tongue

d. Behind the nose and roof of the mouth

45 / 60

In the tongue bitter taste is more perceived at?

a. Tip

b. Back

c. Sides

d. Front

46 / 60

Which of the following cells synthesize protein which remains within the cell without secretion:

a. Fibroblast.

b. Osteoblasts.

c. Keratinocyte.

d. Plasma cell.

47 / 60

Intercalated duct is :

a. a duct from acinus

b. a duct from a lumen

c. a duct from a paritide gland

d. a duct from a salivery gland

48 / 60

Keratohyalin granules are present in

a. Granular layer and prickle cell layer

b. Cornified layer

c. Basement membrane

d. Basal layer and prickle cell layer

49 / 60

Bartholin’s duct drains the:

a. Sublingual gland

b. Submandibular gland

c. Lacrimal gland

d. Parotid

50 / 60

Keratohyalin granules are present in:

a. Basement membrane

b. Granular layer and prickle cell layer

c. Basal layer and prickle cell layer

d. Cornified layer

51 / 60

Tongue papillae responsible for bitter taste sensation:

a. Filliform papillae.

b. Foliate papillae.

c. Circumvallate papillae.

d. Fungiform papillae.

52 / 60

Technical term for bacteria that live on dead matter is:

a. Flagella

b. Parasites

c. Saprophytes

d. Viruses

53 / 60

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

a. Chorda tympani.

b. Glossopharyngeal nerve.

c. Facial nerve.

d. Trigeminal nerve.

54 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

c. នៅលើ Pharynx

d. នៅលើ Palate

55 / 60

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

a. Lysosomes.

b. Desmosomes.

c. Glycogen contents.

d. Keratohyaline granules.

56 / 60

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

a. Epithelial keratinization.

b. Thichness of oral epithelium.

c. Existance of high number of langerhans cells.

d. Vascularity of the lamina propria.

57 / 60

Circumvallate papillae are supplied by?

a. Hypoglossal nerve

b. Vagus

c. Lingual nerve

d. Glossopharyngeal nerve

58 / 60

Hyperkeratosis is:

a. Increase in wideness of keratin layer or stratum corneum

b. Increase in thickness of keratin layer or stratum corneum

c. Increase in longevity of keratin layer or stratum corneum

d. Increase in size of keratin layer or stratum corneum

59 / 60

The function of myoepithelial cells may be :

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

b. Initiating contraction

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

d. All the answers in this question are correct

60 / 60

The basket cells are also known as :

a. Parenchymal cells

b. Endothelial cells

c. Myoepithelial cells

d. All the answers in this question are incorrect

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត