Oral Histology Test

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Oral Histology Test

1 / 60

Buccal mucosa is?

a. Ortho keratinized

b. Para keratinized

c. Keratinized

d. Non- keratinized

2 / 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

3 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Cilia

b. Viruses

c. Fungi

d. Bacteria

4 / 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. All the answers in this question are correct

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

d. Noisy breathing while a wake

e. Snoring during sleep

5 / 60

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

a. It shifts apically with age.

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

c. Its epithelial cells are keratinized stratified squamous.

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

6 / 60

The immunoglobulin present in saliva is :

a. IgE

b. IgM

c. IgG

d. IgA

7 / 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.

8 / 60

The total volume of saliva secreted daily is :

a. 1.5 litres

b. 3 litres

c. 2 litres

d. 750 ml

9 / 60

The tonsillar lymph node is situated at the level of?

a. Clavicle

b. Vertebrae

c. Jugulodigastric crossing

d. Angle of the mandible

10 / 60

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

a. Gingiva and alveolar mucosa

b. Hard and soft palate

c. Hard palate and gingiva

d. Buccal and alveolar mucosa

11 / 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. Lacrimal gland

d. Submandibular gland

12 / 60

The buccal mucosa:

a. Has a keratinized epithelium.

b. Is continuous with the gingival mucosa.

c. It is firmly attached to the underlying tissues.

d. Has numerous connective tissue papillae.

13 / 60

Intercalated duct is :

a. a duct from a paritide gland

b. a duct from a salivery gland

c. a duct from a lumen

d. a duct from acinus

14 / 60

Atrophy is?

a. Acute inflammation

b. Lack of nutrition for cells

c. Lack of oxygen for cells

d. Chronic inflammation

15 / 60

Vesicle 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

16 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and basement membrane.

b. Epithelium, lamina propria and muscular layer.

c. Epithelium and basement membrane.

d. Mucosa & submucosa.

17 / 60

The total amount of saliva secreted by all the salivary glands about 60% is secreted by :

a. All the answers in this question are incorrect

b. Sublingual glands

c. Parotid glands

d. Submandibular glands

18 / 60

Labial and buccal miner salivary glands are:

a. Mixed

b. All the answers in this question are incorrect

c. Purely mucous

d. Purely serous

19 / 60

Circumvallate papillae are supplied by?

a. Glossopharyngeal nerve

b. Hypoglossal nerve

c. Lingual nerve

d. Vagus

20 / 60

The most important indication of malignant lesion is?

a. Pain

b. Teeth movement

c. Paresthesia

d. Tooth resorption

21 / 60

Salivary glands are not found in :

a. Posterior part of the hard palate

b. In mandible posterior to the 3rd molar

c. Anterior part of the hard palate

d. Nasopalatine canal

22 / 60

How many neurones are in the body of man:

a. 10,000,000,000,000

b. 10,000

c. 10,000,000,000

d. 10,000,000

23 / 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

24 / 60

Granular cell myoblastoma of tongue is?

a. Developmental anomaly of the tongue.

b. Lymphatic enlargement of the tongue

c. Malignant tumor of the tongue

d. Benign tumor

25 / 60

Bulla:

a. Vesicle

b. large lesion

c. Large vesicles that are confluent

d. large pustule

26 / 60

The sweet taste come from:

a. Sugars

b. Alcohols

c. All the answers in this question are correct

d. Amino acids

27 / 60

The peripheral nervous system includes the:

a. Spinal cord

b. Somatic nervous system

c. Brain

d. Nuclei

28 / 60

Bartholin’s duct drains the:

a. Submandibular gland

b. Lacrimal gland

c. Sublingual gland

d. Parotid

29 / 60

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

a. Simple columnar epithelium

b. Stratified squamous epithelium

c. Simple squamous epithelium

d. Stratified cuboidal epithelium

30 / 60

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

a. Fungiform.

b. Foliate.

c. Vallate.

d. Filliform.

31 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Squamous cuboidal or columnar

b. Simple or stratified

c. Keratinized or not keratinized

d. Lining or granular

32 / 60

There are————— taste buds ,most of them on the tongue:

a. 1,000

b. 10,000

c. 100,000

d. 100

33 / 60

Specialized cells migrate

a. to basement membrane

b. to the lower layer

c. to lamina propria

d. to the upper layers

34 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The tonsil

b. All the answers in this question are correct

c. The lingual tonsil

d. The adenoid

35 / 60

B-cells ( lumphocytes ) can?

a. Suppress T-cells

b. Kill other cells

c. Give rise to plasma cells

d. Secrete interferon

36 / 60

Secialized cells migrate:

a. to the upper layers

b. to the lower layer

c. to basement membrane

d. to lamina propria

37 / 60

Most areas of oral mucosa are:

a. NonKeratiniezd stratified epithelium

b. Keratiniezd stratified epithelium

c. ParaKeratiniezd stratified epithelium

d. OrthoKeratiniezd stratified epithelium

38 / 60

The lymph nodes គឺជា bean-shaped bodies នៅជាក្រុមតាមបណ្តោយ:

a. Capillary

b. Arteries

c. Veins

d. Connective Lymphatic vessels

39 / 60

Soft palate is?

a. Anterior pillar of tonsils

b. Posterior pillar of tonsils

c. Looser posterior portion of the palate

d. Looser anterior portion of the palate

40 / 60

Dendritic cell located in the stratified squamous keratinized epithelium of the oral cavity include?

a. Myoepithelial cell

b. Melanocytes

c. Keratinocytes

d. Mast cells

41 / 60

Bulla

a. Large vesicles that are confluent

b. large lesion

c. large pustule

d. Vesicle

42 / 60

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

a. Staphylococci

b. Bacilli

c. Streptococci

d. Diplococci

43 / 60

The normal P^Hof saliva is about :

a. 7.5

b. 9.5

c. 8.5

d. 5.5

44 / 60

Excretory duct is

a. a duct from a parotide gland

b. a duct from a striated ducts

c. a duct from a sublimgual gland

d. a duct from a submandibular gland

45 / 60

Sulcular epithelium is formed of:

a. Columnar epithelium.

b. Nonkeratinized stratified squamous epithelium.

c. Parakeratinized stratified squamous epithelium.

d. Orthokeratinized stratified squamous epithelium.

46 / 60

The mucogingival junction is the junction of:

a. Palatine gingival & rougae zone.

b. Sulcular epithelium & free gingiva.

c. Alveolar mucosa and attached gingiva.

d. Sulcular epithelium & free gingiva.

47 / 60

Non keratinized epithelium is found over?

a. Interdental papilla

b. Free gingiva

c. Attached gingiva

d. Gingival sulcus

48 / 60

The parotid gland opens :

a. At the caruncular

b. At the side of the lingual frenum

c. On the floor of the mouth

d. On the buccal mucosa opposite the maxillary second molar

49 / 60

Von Ebner’s salivary gland is:

a. Minor gland

b. Parotide gland

c. Sub-lingual gland

d. Sub-mandibular gland

50 / 60

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

a. Lysosomes.

b. Desmosomes.

c. Keratohyaline granules.

d. Glycogen contents.

51 / 60

Sublingual glands is a :

a. Mucous gland

b. Present in root of the tongue

c. Mixed glands

d. Serous gland

52 / 60

The sulcular epithelium:

a. Has long epithelial ridges.

b. Has thick epithelial layer.

c. Is keratinized.

d. Is nonkeratinized.

53 / 60

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

a. Alveolar mucosa.

b. Gingiva.

c. Floor of the mouth.

d. Buccal mucosa.

54 / 60

Which of the following is true of the sulcular epithelium:

a. Has submucosa.

b. Is nonkeratinized.

c. Contain connective tissue papillae.

d. Consists of keratinized epithelium.

55 / 60

In the tongue bitter taste is more perceived at?

a. Tip

b. Sides

c. Front

d. Back

56 / 60

Superficial layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Nonkeratinized epithelium

c. Keratinized epithelium

d. Orthokeratinized epithelium

57 / 60

Taste buds មិនមាននៅក្នុង៖

a. Circumvallate papillae

b. Foliate papillae

c. Filiform papillae

d. Fungiform papillae

58 / 60

Taste buds are not found on:

a. Foliate papillae.

b. Circumvallate papillae.

c. Fungiform papillae.

d. Filliform papillae.

59 / 60

Hyperplasia គឺជា៖

a. Increase in cell number of an organ or tissue

b. Increase in size of an organ or tissue

c. Decrease in cell number of an organ

d. Decrease in size of an organ

60 / 60

Lumen is:

a. a central opening of an oral cavity

b. a central opening of a gland

c. a cental opening of an acini

d. a central opening of a tooth

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត