Oral Histology Test

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Oral Histology Test

1 / 60

The total amount of saliva secreted by all the salivary glands about 30% is secreted by the :

a. All the answers in this question are incorrect

b. Sublingual gland

c. Parotid gland

d. Submandibular gland

2 / 60

Atrophy is?

a. Lack of nutrition for cells

b. Acute inflammation

c. Lack of oxygen for cells

d. Chronic inflammation

3 / 60

The mushroom shaped papillae on the tongue are called:

a. Foliate

b. Fungiform

c. Circumvallate

d. Filliform

4 / 60

Submandibular gland is supplied by:

a. Inferior alveolar artery

b. Submandibular artery

c. Facial artery

d. Lingual artery

5 / 60

Non keratinized epithelium is found over?

a. Gingival sulcus

b. Free gingiva

c. Interdental papilla

d. Attached gingiva

6 / 60

Masticatory mucosa is?

a. Non keratinized

b. Para keratinized

c. Sub keratinized

d. Ortho keratinized

7 / 60

Specialized cells stem from:

a. Basal layer and prickle cell layer

b. Granular layer

c. Basement membrane

d. Cornified layer

8 / 60

Keratohyaline granules are found in?

a. Stratum spinosum

b. Stratum granulosum

c. Stratum basale

d. Prickle cell layer

9 / 60

Granular cell myoblastoma of tongue is?

a. Lymphatic enlargement of the tongue

b. Benign tumor

c. Developmental anomaly of the tongue.

d. Malignant tumor of the tongue

10 / 60

Wharton’s duct is of:

a. Sub-mandibular gland

b. Parotide gland

c. Sub-lingual gland

d. Minor gland

11 / 60

Which one of the following epithelium is least common?

a. Pseudo stratified columnar ( ciliated )

b. Stratified columnar

c. Transitional

d. Simple columnar

12 / 60

The immunoglobulin present in saliva is :

a. IgG

b. IgA

c. IgM

d. IgE

13 / 60

Partially keratinized papilla is?

a. Circumvallate

b. Fungiform

c. Foliate

d. Filliform

14 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

b. នៅលើ Pharynx

c. នៅលើ Palate

d. នៅលើ Larynx

15 / 60

Basement membrane?

a. Consists of desmosomes and hemidesmosomes

b. Consists of lamina densa and lamina lucida

c. Contains lamina lucida and lamina dura

d. Consists lurati hyaline granules

16 / 60

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

a. Langerhans cell

b. Lymphocyte

c. Melanocyte

d. Merkel cell

17 / 60

The connective tissue of the gingiva is known as the?

a. Fibroblasts

b. Lamina dura

c. Dental cuticle

d. Lamina propria

18 / 60

Excretory duct is

a. a duct from a striated ducts

b. a duct from a submandibular gland

c. a duct from a sublimgual gland

d. a duct from a parotide gland

19 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Squamous cuboidal or columnar

b. Keratinized or not keratinized

c. Simple or stratified

d. Lining or granular

20 / 60

Bartholin’s duct is the name of :

a. Submandibular duct

b. Lacrimal duct

c. Sublingual duct

d. Parotid duct

21 / 60

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

a. Existance of high number of langerhans cells.

b. Epithelial keratinization.

c. Thichness of oral epithelium.

d. Vascularity of the lamina propria.

22 / 60

Bulla:

a. large pustule

b. Large vesicles that are confluent

c. Vesicle

d. large lesion

23 / 60

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

a. Circumvallate

b. Filliform

c. Fungiform

d. Foliate

24 / 60

The thinnest epithelium of oral cavity is found in the?

a. Buccal gingiva

b. Sublingual mucosa (floor of mouth)

c. Oral surface of lip

d. Lingual gingiva

25 / 60

Myoepithelial cells are present in :

a. Intercalated duct and terminal duct

b. Serous cells

c. Mucous cells

d. Striate duct

26 / 60

Taste buds are not found on:

a. Fungiform papillae.

b. Circumvallate papillae.

c. Foliate papillae.

d. Filliform papillae.

27 / 60

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

a. Dental sac.

b. Vestibular lamina.

c. Enamel cuticle.

d. Reduced enamel epithelium & gingiva.

28 / 60

Wharton’s duct drains the:

a. Lacrimal gland

b. Submandibular gland

c. Pancreas

d. Parotid

29 / 60

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

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

b. Is impermeable to dyes and fluids.

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

d. Can migrate coronally.

30 / 60

Keratohyalin granules are present in:

a. Cornified layer

b. Granular layer and prickle cell layer

c. Basement membrane

d. Basal layer and prickle cell layer

31 / 60

Facial artery is the branch of the:

a. Internal carotid artery

b. Superficial temporal

c. External carotid artery

32 / 60

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

a. Dentigerous cyst

b. Follicular cyst

c. Dermiod cyst

d. Ranula

33 / 60

The function of myoepithelial cells may be :

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

b. Initiating contraction

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

d. All the answers in this question are correct

34 / 60

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

a. Submandibular gland

b. Von Ebner’s gland

c. Sublingual gland

d. Lacrimal gland

35 / 60

Technical term for bacteria that live on dead matter is:

a. Flagella

b. Saprophytes

c. Viruses

d. Parasites

36 / 60

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

a. II

b. III

c. IV

d. I

37 / 60

Difference between the skin and mucosa of cheek is?

a. Rete pegs

b. Thin lamina and non keratinized mucosa of cheek

c. Keratinized mucosa of cheek

d. Thick lamina propria on skin of cheek

38 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Veins

b. Capillary

c. Arteries

d. Connective Lymphatic vessels

39 / 60

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

a. All the answers in this question are correct

b. Noisy breathing while a wake

c. Ear infections that keep coming back

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

e. Snoring during sleep

40 / 60

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

a. 2nd month

b. 1st month

c. 4th month

d. 3rd month

41 / 60

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

a. Keratinocyte.

b. Osteoblasts.

c. Fibroblast.

d. Plasma cell.

42 / 60

Taste buds are in

a. Teeth

b. Soft palate

c. Tongue

d. Hard palate

43 / 60

Bacteria that cause disease are called:

a. Nonpathogenic

b. Pathogenic

c. Saprophytes

d. Protozoa

44 / 60

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

a. Herpes simplex

b. Pemphigus

c. Herpes zoster

d. A granulocytosis

45 / 60

Masticatory mucosa in the oral cavity covers the?

a. Gingiva and hard palate

b. Alveolar mucosa and vestibular fornix

c. Lip and cheek

d. Floor of the mouth and soft palate

46 / 60

Circumvallate papillae are supplied by?

a. Glossopharyngeal nerve

b. Hypoglossal nerve

c. Lingual nerve

d. Vagus

47 / 60

Hypertrophy គឺជា៖

a. Increase in size of an organ

b. Decrease in size of an organ

c. Increase in cell number of an organ

d. Decrease in cell number of an organ

48 / 60

In the tongue bitter taste is more perceived at?

a. Back

b. Sides

c. Tip

d. Front

49 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Pharyngeal tonsil

b. Palatine tonsils and Lingual tonsil

c. Tubal tonsil

d. All are corrects

50 / 60

Stenon’s duct is of:

a. Parotide gland

b. Sub-mandibular gland

c. Sub-lingual gland

d. Minor gland

51 / 60

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

a. Chorda tympani.

b. Trigeminal nerve.

c. Glossopharyngeal nerve.

d. Facial nerve.

52 / 60

Saliva is secreted by:

a. Major salivary glands

b. Parotid glands

c. Minor salivary glands

d. Major and minor salivary glands

53 / 60

The p^H of whole saliva is :

a. 6.7 – 7.4

b. 1.2 – 2.4

c. 3.0 – 5.6

d. 7.0 – 8.2

54 / 60

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

a. Granular cell layer

b. Basal cells and parabasal spinous cslls

c. Basal cell layer

d. Spinous cells and granular cells

55 / 60

Diskeratosis is?

a. Acute inflammation

b. Chronic inflammation

c. Increasing in the number of cells

d. Precancerous state

56 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Pharynx

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Palate

57 / 60

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

a. Attached gingiva.

b. Hard palate.

c. Vestibular fornix.

d. Buccal mucosa.

58 / 60

The floor of the mouth is lined by:

a. Linning mucosa loosely attached.

b. Linning mucosa firmly attached.

c. Specialized mucosa.

d. Masticatory mucosa.

59 / 60

Hyperplasia គឺជា៖

a. Decrease in size of an organ

b. Decrease in cell number of an organ

c. Increase in size of an organ or tissue

d. Increase in cell number of an organ or tissue

60 / 60

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

a. Follicular cyst

b. Dentigerous cyst

c. Dermoid cyst

d. Ranula

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត