Oral Histology Test

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Oral Histology Test

1 / 60

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

a. Prickle cell layer.

b. The tonofilaments.

c. Basal cell layer.

d. Stratum granulosum.

2 / 60

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

a. Filliform

b. Foliate

c. Circumvallate

d. Fungiform

3 / 60

What is the end of an axon called:

a. Astrocyte

b. Ganglion

c. Terminal bouton

d. Perikaryon

4 / 60

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

a. Attached gingiva.

b. Vestibular fornix.

c. Buccal mucosa.

d. Hard palate.

5 / 60

Taste buds មិនមាននៅក្នុង៖

a. Foliate papillae

b. Filiform papillae

c. Circumvallate papillae

d. Fungiform papillae

6 / 60

The parotid gland opens :

a. On the buccal mucosa opposite the maxillary second molar

b. At the side of the lingual frenum

c. At the caruncular

d. On the floor of the mouth

7 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

8 / 60

Bulla:

a. large pustule

b. Large vesicles that are confluent

c. Vesicle

d. large lesion

9 / 60

The most common cell in connective tissue proper is the?

a. Mast cell

b. Lymphocyte

c. Fibroblast

d. Macrophage

10 / 60

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

a. Basal cell layer

b. Granular cell layer

c. Basal cells and parabasal spinous cslls

d. Spinous cells and granular cells

11 / 60

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

a. It is derived entirely from ectomesenchyme.

b. Contains clear submucosa.

c. It moves occlusally with age.

d. It moves apically with age.

12 / 60

Submandibular gland is supplied by:

a. Submandibular artery

b. Facial artery

c. Lingual artery

d. Inferior alveolar artery

13 / 60

Specialized cells stem from:

a. Cornified layer

b. Basal layer and prickle cell layer

c. Granular layer

d. Basement membrane

14 / 60

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

a. Melanocyte.

b. Langerhans cell.

c. Lymphocyte.

d. Merkel cell.

15 / 60

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

a. Vallate.

b. Fungiform.

c. Filliform.

d. Foliate.

16 / 60

Hypertrophy គឺជា៖

a. Increase in size of an organ

b. Decrease in cell number of an organ

c. Increase in cell number of an organ

d. Decrease in size of an organ

17 / 60

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

a. III

b. II

c. IV

d. I

18 / 60

Healthy line is represented in:

a. Junction of the buccal and labial mucosa.

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

c. Free gingival groove.

d. Mucogingival junction.

19 / 60

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

a. Underneath

b. Top

c. Back

d. Tip and sides

20 / 60

Granular cell myoblastoma of tongue is?

a. Benign tumor

b. Lymphatic enlargement of the tongue

c. Developmental anomaly of the tongue.

d. Malignant tumor of the tongue

21 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and muscular layer.

b. Mucosa & submucosa.

c. Epithelium and basement membrane.

d. Epithelium, lamina propria and basement membrane.

22 / 60

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

a. Herpes zoster

b. Pemphigus

c. Herpes simplex

d. A granulocytosis

23 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type IV collagen

b. Type III collagen

c. Type I collagen

d. Type I and II collagen

24 / 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

25 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

b. នៅលើ Pharynx

c. នៅលើ Palate

d. នៅលើ Larynx

26 / 60

The oral mucosa ចែកចេញជា:

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

b. បីស្រទាប់ epithelium, connective tissue and lamina propria

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

d. ពីរស្រទាប់ epithelium and connective tissue

27 / 60

The mucogingival junction is the junction of:

a. Sulcular epithelium & free gingiva.

b. Palatine gingival & rougae zone.

c. Alveolar mucosa and attached gingiva.

d. Sulcular epithelium & free gingiva.

28 / 60

Partially keratinized papilla is?

a. Foliate

b. Fungiform

c. Filliform

d. Circumvallate

29 / 60

Sulcular epithelium is formed of:

a. Columnar epithelium.

b. Nonkeratinized stratified squamous epithelium.

c. Orthokeratinized stratified squamous epithelium.

d. Parakeratinized stratified squamous epithelium.

30 / 60

Each taste bud has————-that pick up signals from the foods we eat:

a. A hard shell

b. All the answers in this question are correct

c. Tiny hairs

d. A sticky top

31 / 60

The tonsillar ring or Waldeyer’s ring cosists of:

a. The lingual tonsil

b. All the answers in this question are correct

c. The tonsil

d. The adenoid

32 / 60

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

a. Herpes simplex

b. Herpes zoster

c. Pemphigus

d. A granulocytosis

33 / 60

The mucous membrane of cheek and lips?

a. It attached to orbicularis oris in lips

b. A and B are correct

c. It attached to buccinators muscle in cheek

d. All the answers in this question are incorrect

34 / 60

Masticatory mucosa has:

a. Elastic fibers in its blood vessels wall.

b. Elastic fibers in its lamina propria.

c. No connective tissue papillae.

d. Stratum corneum.

35 / 60

Hypertrophy is?

a. Increase in cell number of an organ

b. Decrease in cell number of an organ

c. Increase in size of an organ

d. Decrease in size of an organ

36 / 60

The cells most frequently found in a granuloma are :

a. Neutrophil

b. Giant cells

c. Mast cells

d. Lymphocytes

37 / 60

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

a. 100

b. 1,000

c. 100,000

d. 10,000

38 / 60

A node of Ranvier is?

a. A constriction of the axon

b. A junction between two schwann cells

c. A nerve receptor

d. Characteristic of unmyelinated fibers

39 / 60

Function of acini is:

a. to produce hormone

b. to produce histamine

c. to produce gastric acid

d. to produce saliva

40 / 60

A disease that is transmitted from one person to another by contact is said to be:

a. Congenital

b. Occupational

c. Chronic

d. Communicable

41 / 60

Inflammation of the lips is refered to as?

a. Cheilitis

b. Glossitis migrican

c. Stomatitis

d. Vincent angina

42 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Pharyngeal tonsil

b. Palatine tonsils and Lingual tonsil

c. All are corrects

d. Tubal tonsil

43 / 60

Which these may be a symptom of tonsillitis:

a. All the answers in this question are correct

b. Bad breath

c. Swollen lymph nodes in the neck

d. Fever

e. Sore throat

44 / 60

The floor of the mouth is lined by:

a. Specialized mucosa.

b. Linning mucosa firmly attached.

c. Masticatory mucosa.

d. Linning mucosa loosely attached.

45 / 60

Saliva is secreted by:

a. Parotid glands

b. Minor salivary glands

c. Major salivary glands

d. Major and minor salivary glands

46 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Palatine tonsils and Lingual tonsil

b. Pharyngeal tonsil

c. Tubal tonsil

d. All the answers in this question are correct

47 / 60

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

a. Vascularity of the lamina propria.

b. Epithelial keratinization.

c. Existance of high number of langerhans cells.

d. Thichness of oral epithelium.

48 / 60

The thinnest epithelium of oral cavity is found in the?

a. Oral surface of lip

b. Lingual gingiva

c. Sublingual mucosa (floor of mouth)

d. Buccal gingiva

49 / 60

Bartholin’s duct is the name of :

a. Lacrimal duct

b. Submandibular duct

c. Sublingual duct

d. Parotid duct

50 / 60

Lumen is:

a. a central opening of a gland

b. a cental opening of an acini

c. a central opening of an oral cavity

d. a central opening of a tooth

51 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Free gingiva.

b. Palatal mucosa.

c. Mucosa of the floor of the mouth.

d. Attached gingiva.

52 / 60

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

a. Keratinocytes

b. Myoepithelial cell

c. Melanocytes

d. Mast cells

53 / 60

Which of the following is purely mucous :

a. All the answers in this question are correct

b. Glossopalatine glands

c. Posterior lingual mucous glands

d. Palatine glands

54 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Proteins

b. ច្រោះ Glucose

c. ច្រោះ Toxic products

d. ច្រោះ Lipids

55 / 60

Technical term for bacteria that live on dead matter is:

a. Viruses

b. Saprophytes

c. Flagella

d. Parasites

56 / 60

How are infections of the tonsils or adenoids usually treat:

a. Aspirin

b. Antibiotic

c. Acetaminophen

d. All the answers in this question are incorrect

57 / 60

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

a. Dermoid cyst

b. Ranula

c. Follicular cyst

d. Dentigerous cyst

58 / 60

Masticatory mucosa is?

a. Non keratinized

b. Ortho keratinized

c. Sub keratinized

d. Para keratinized

59 / 60

Myoepithelial cell of an acini is:

a. kind of cell in a heart

b. kind of cell in a tonsil

c. kind of cell in a salivery gland

d. kind of contractile cell on an acini

60 / 60

Parakeratinized epithelium is found in:

a. Gingiva.

b. Floor of the mouth.

c. Ventral surface of tongue.

d. Vestibular fornix.

Your score is

The average score is 94%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត