Oral Histology Test

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Oral Histology Test

1 / 60

Circumvallate papillae are supplied by?

a. Glossopharyngeal nerve

b. Lingual nerve

c. Hypoglossal nerve

d. Vagus

2 / 60

Myoepithelial cell of an acini is:

a. kind of cell in a salivery gland

b. kind of contractile cell on an acini

c. kind of cell in a tonsil

d. kind of cell in a heart

3 / 60

Keratohyaline granules are found in?

a. Prickle cell layer

b. Stratum basale

c. Stratum granulosum

d. Stratum spinosum

4 / 60

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

a. III

b. IV

c. I

d. II

5 / 60

A sign of bacterial infection is:

a. Bleeding

b. A cold

c. Parasites

d. Pus

6 / 60

The areas of the tongue with the most taste buds is the:

a. Tip and sides

b. Top

c. Underneath

d. Back

7 / 60

Epithelium of oral mucous membrane is?

a. Keratinized

b. Ortho,Para and nonkeratinized

c. Only parakeratinized

d. Non keratinized

8 / 60

Supporting cells of taste buds are called as?

a. Taste cells

b. Acini

c. Von Ebner cells

d. Sustenticular cells

9 / 60

Which of the following is true of the sulcular epithelium:

a. Is nonkeratinized.

b. Has submucosa.

c. Contain connective tissue papillae.

d. Consists of keratinized epithelium.

10 / 60

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

a. Follicular cyst

b. Ranula

c. Dentigerous cyst

d. Dermiod cyst

11 / 60

When do tonsils or adenoids need to be removed:

a. When a child is 10 years old

b. When a child is having learning problems

c. All the answers in this question are incorrect

d. When a child is 5 years old

12 / 60

Masticatory mucosa is?

a. Non keratinized

b. Sub keratinized

c. Ortho keratinized

d. Para keratinized

13 / 60

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

a. Lysosomes.

b. Keratohyaline granules.

c. Glycogen contents.

d. Desmosomes.

14 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Is keratinized.

c. Has long epithelial ridges.

d. Is nonkeratinized.

15 / 60

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

a. 3rd month

b. 4th month

c. 2nd month

d. 1st month

16 / 60

Larges amount of saliva is produced by :

a. Parotid glands

b. Von Ebner glands

c. Sublingual glands

d. Submandibular glands

17 / 60

Color of the normal gingiva is?

a. All the answers in this question are incorrect

b. Coral pink

c. Pink

d. Red

18 / 60

The parotid gland opens :

a. At the side of the lingual frenum

b. On the floor of the mouth

c. On the buccal mucosa opposite the maxillary second molar

d. At the caruncular

19 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Toxic products

b. ច្រោះ Lipids

c. ច្រោះ Proteins

d. ច្រោះ Glucose

20 / 60

Basement membrane នៅចន្លោះ:

a. Lamina propria and submucosa

b. Epithelium and Bone

c. Epithelium and lamina propria

d. Epithelium and submucosa

21 / 60

Technical term for bacteria that live on dead matter is:

a. Parasites

b. Saprophytes

c. Flagella

d. Viruses

22 / 60

Most cases of tonsillitis occur in which age group:

a. 11 to 21

b. 21 to 40

c. 40 to 65

d. 10 and under

23 / 60

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

a. Basal cells and parabasal spinous cslls

b. Granular cell layer

c. Spinous cells and granular cells

d. Basal cell layer

24 / 60

Which these is a common problem with tonsils:

a. They become swollen and They can become infected themselves

b. They make an infection worse

c. They can become infected themselves

d. They become swollen

25 / 60

The basket cells are also known as :

a. Endothelial cells

b. Myoepithelial cells

c. All the answers in this question are incorrect

d. Parenchymal cells

26 / 60

The somatic nervous system is part of the:

a. Sympathetic nervous system

b. Autonomic nervous system

c. Parasympathetic nervous system

d. All the answers in this question are incorrect

27 / 60

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

a. Stratified cuboidal epithelium

b. Simple squamous epithelium

c. Simple columnar epithelium

d. Stratified squamous epithelium

28 / 60

The three laterally paired major salivary glands are located :

a. Intra orally

b. In tongue

c. Extra orally

d. In neck

29 / 60

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

a. Buccal and alveolar mucosa

b. Hard palate and gingiva

c. Hard and soft palate

d. Gingiva and alveolar mucosa

30 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Tubal tonsil

b. All the answers in this question are correct

c. Palatine tonsils and Lingual tonsil

d. Pharyngeal tonsil

31 / 60

The most common malignancy found in the oral cavity is :

a. Basal cell carcinoma

b. Transitional cell carcinoma

c. Adenocarcinoma

d. Squamous cell carcinoma

32 / 60

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

a. Hemangioma

b. Fibroma

c. Papilloma

d. Adenoma

33 / 60

The mucous membrane of cheek and lips?

a. All the answers in this question are incorrect

b. It attached to orbicularis oris in lips

c. A and B are correct

d. It attached to buccinators muscle in cheek

34 / 60

Granular cell tumors of the adult is commonly seen on?

a. Gingiva

b. Tongue

c. Upper lip

d. Lower lip

35 / 60

Which of the following is not present in the stratum spinosum?:

a. Keratohyaline granules.

b. Desmosomes.

c. Odland's bodies.

d. Tonofilaments.

36 / 60

Which of the following conditions present as complete vesicle?

a. Aphthous ulcer

b. Dermatitis

c. Pemphigus

d. Pyostomatitis

37 / 60

Inflammation of the lips is refered to as?

a. Cheilitis

b. Vincent angina

c. Glossitis migrican

d. Stomatitis

38 / 60

The total volume of saliva secreted daily is :

a. 3 litres

b. 1.5 litres

c. 750 ml

d. 2 litres

39 / 60

Most areas of oral mucosa are:

a. OrthoKeratiniezd stratified epithelium

b. Keratiniezd stratified epithelium

c. NonKeratiniezd stratified epithelium

d. ParaKeratiniezd stratified epithelium

40 / 60

Masticatory mucosa has:

a. Stratum corneum.

b. Elastic fibers in its blood vessels wall.

c. No connective tissue papillae.

d. Elastic fibers in its lamina propria.

41 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and lamina propria

c. Epithelium and Bone

d. Epithelium and submucosa

42 / 60

The oral mucosa ចែកចេញជា:

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

b. ពីរស្រទាប់ epithelium and connective tissue

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

d. បីស្រទាប់ epithelium, connective tissue and lamina propria

43 / 60

Which these may be a symptom of tonsillitis:

a. Bad breath

b. Swollen lymph nodes in the neck

c. All the answers in this question are correct

d. Sore throat

e. Fever

44 / 60

Striated duct is:

a. a duct from a salivery gland

b. a duct from a system duct

c. a duct from intercalated ducts

d. a duct from a submandibular gland

45 / 60

Which of the following is found in the cerebellum:

a. Schwann cells

b. Basket cells

c. Ganglion

d. Neuroglia

46 / 60

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

a. A granulocytosis

b. Herpes zoster

c. Herpes simplex

d. Pemphigus

47 / 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.

48 / 60

The mucogingival junction is the junction of:

a. Alveolar mucosa and attached gingiva.

b. Palatine gingival & rougae zone.

c. Sulcular epithelium & free gingiva.

d. Sulcular epithelium & free gingiva.

49 / 60

Specialized cells stem from

a. Cornified layer

b. Basal layer and prickle cell layer

c. Granular layer

d. Basement membrane

50 / 60

The most important indication of malignant lesion is?

a. Pain

b. Paresthesia

c. Tooth resorption

d. Teeth movement

51 / 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

52 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Cilia

b. Bacteria

c. Fungi

d. Viruses

53 / 60

Bartholin’s duct drains the:

a. Sublingual gland

b. Lacrimal gland

c. Submandibular gland

d. Parotid

54 / 60

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

a. It moves apically with age.

b. Contains clear submucosa.

c. It moves occlusally with age.

d. It is derived entirely from ectomesenchyme.

55 / 60

Bulla

a. large pustule

b. Large vesicles that are confluent

c. large lesion

d. Vesicle

56 / 60

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

a. Sublingual gland

b. Lacrimal gland

c. Von Ebner’s gland

d. Submandibular gland

57 / 60

Keratohyalin granules are present in

a. Basal layer and prickle cell layer

b. Basement membrane

c. Granular layer and prickle cell layer

d. Cornified layer

58 / 60

The function of myoepithelial cells may be :

a. Initiating contraction

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

c. All the answers in this question are correct

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

59 / 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 longevity of keratin layer or stratum corneum

d. Increase in wideness of keratin layer or stratum corneum

60 / 60

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

a. Pemphigus

b. Herpes simplex

c. A granulocytosis

d. Herpes zoster

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត