Oral Histology Test

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Oral Histology Test

1 / 60

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

a. Filliform

b. Circumvallate

c. Fungiform

d. Foliate

2 / 60

Granular cell tumors of the adult is commonly seen on?

a. Upper lip

b. Lower lip

c. Tongue

d. Gingiva

3 / 60

When do tonsils or adenoids need to be removed:

a. All the answers in this question are incorrect

b. When a child is 5 years old

c. When a child is 10 years old

d. When a child is having learning problems

4 / 60

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

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

b. It shifts apically with age.

c. Its epithelial cells are keratinized stratified squamous.

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

5 / 60

Taste buds មិនមាននៅក្នុង៖

a. Filiform papillae

b. Fungiform papillae

c. Foliate papillae

d. Circumvallate papillae

6 / 60

Which of the following is purely mucous :

a. Glossopalatine glands

b. Palatine glands

c. All the answers in this question are correct

d. Posterior lingual mucous glands

7 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Squamous cuboidal or columnar

b. Lining or granular

c. Simple or stratified

d. Keratinized or not keratinized

8 / 60

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

a. Ranula

b. Dentigerous cyst

c. Dermoid cyst

d. Follicular cyst

9 / 60

Lumen is:

a. a cental opening of an acini

b. a central opening of a gland

c. a central opening of an oral cavity

d. a central opening of a tooth

10 / 60

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

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

b. Is impermeable to dyes and fluids.

c. Can migrate coronally.

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

11 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Proteins

b. ច្រោះ Lipids

c. ច្រោះ Toxic products

d. ច្រោះ Glucose

12 / 60

Healthy line is represented in:

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

b. Mucogingival junction.

c. Junction of the buccal and labial mucosa.

d. Free gingival groove.

13 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Palatal mucosa.

b. Attached gingiva.

c. Free gingiva.

d. Mucosa of the floor of the mouth.

14 / 60

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

a. Basal cells and parabasal spinous cslls

b. Basal cell layer

c. Spinous cells and granular cells

d. Granular cell layer

15 / 60

Excretory duct is

a. a duct from a submandibular gland

b. a duct from a parotide gland

c. a duct from a sublimgual gland

d. a duct from a striated ducts

16 / 60

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

a. Simple columnar epithelium

b. Stratified squamous epithelium

c. Stratified cuboidal epithelium

d. Simple squamous epithelium

17 / 60

Intercalated duct is :

a. a duct from a paritide gland

b. a duct from a lumen

c. a duct from a salivery gland

d. a duct from acinus

18 / 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

19 / 60

The connective tissue of the gingiva is known as the?

a. Lamina dura

b. Fibroblasts

c. Dental cuticle

d. Lamina propria

20 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Has long epithelial ridges.

c. Is keratinized.

d. Is nonkeratinized.

21 / 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

22 / 60

Hypertrophy គឺជា៖

a. Increase in cell number of an organ

b. Decrease in cell number of an organ

c. Decrease in size of an organ

d. Increase in size of an organ

23 / 60

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

a. Tiny hairs

b. A hard shell

c. All the answers in this question are correct

d. A sticky top

24 / 60

Superficial layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Keratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

25 / 60

The parotid gland opens :

a. At the side of the lingual frenum

b. On the buccal mucosa opposite the maxillary second molar

c. On the floor of the mouth

d. At the caruncular

26 / 60

Masticatory mucosa in the oral cavity covers the?

a. Lip and cheek

b. Gingiva and hard palate

c. Alveolar mucosa and vestibular fornix

d. Floor of the mouth and soft palate

27 / 60

Which these may be a symptom of tonsillitis:

a. All the answers in this question are correct

b. Swollen lymph nodes in the neck

c. Sore throat

d. Fever

e. Bad breath

28 / 60

Buccal mucosa is?

a. Non- keratinized

b. Keratinized

c. Ortho keratinized

d. Para keratinized

29 / 60

The most common malignancy found in the oral cavity is :

a. Squamous cell carcinoma

b. Adenocarcinoma

c. Transitional cell carcinoma

d. Basal cell carcinoma

30 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and development of epithelial cells.

b. Abnormality of migration and cells mitosis.

c. Abnormality of orientation and cells mitosis.

d. Abnormality of structure and development of epithelial cells.

31 / 60

What is the end of an axon called:

a. Perikaryon

b. Ganglion

c. Astrocyte

d. Terminal bouton

32 / 60

The sour taste come from:

a. Citric acids

b. Amino acids

c. Sodium chloride

d. All the answers in this question are incorrect

33 / 60

The normal P^Hof saliva is about :

a. 7.5

b. 8.5

c. 9.5

d. 5.5

34 / 60

Intermediate layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Orthokeratinized epithelium

c. Parakeratinized epithelium

d. Keratinized epithelium

35 / 60

Keratohyalin is found in the?

a. Stratum reticularis

b. Stratum corneum

c. Hyalin cartilage

d. Stratum granulosum

36 / 60

The tonsillar lymph node is situated at the level of?

a. Jugulodigastric crossing

b. Angle of the mandible

c. Clavicle

d. Vertebrae

37 / 60

The mucosa of the dorsal surface of the tongue is:

a. Smooth surface.

b. Spesialized mucosa.

c. Masticatory mucosa.

d. Linning mucosa.

38 / 60

Saliva is secreted by:

a. Minor salivary glands

b. Major salivary glands

c. Major and minor salivary glands

d. Parotid glands

39 / 60

Facial artery is the branch of the:

a. Internal carotid artery

b. Superficial temporal

c. External carotid artery

40 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Palatine tonsils and Lingual tonsil

b. All the answers in this question are correct

c. Tubal tonsil

d. Pharyngeal tonsil

41 / 60

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

a. Underneath

b. Back

c. Top

d. Tip and sides

42 / 60

Most cases of tonsillitis occur in which age group:

a. 21 to 40

b. 40 to 65

c. 10 and under

d. 11 to 21

43 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Hyper orthokeratosis

c. Sulcular epithelium

d. Hyper parakeratosis

44 / 60

Atrophy គឺជា៖

a. Chronic inflammation

b. Lack of oxygen for cells

c. Lack of nutrition for cells

d. Acute inflammation

45 / 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

46 / 60

Normal
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false
false
false

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Which is not true about taste buds:

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

b. Taste buds extend from the basal lamina to the surface of epithelium.

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

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

47 / 60

Hyperkeratosis is:

a. Increase in wideness of keratin layer or stratum corneum

b. Increase in longevity of keratin layer or stratum corneum

c. Increase in thickness of keratin layer or stratum corneum

d. Increase in size of keratin layer or stratum corneum

48 / 60

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

a. Lysosomes.

b. Glycogen contents.

c. Keratohyaline granules.

d. Desmosomes.

49 / 60

Most areas of oral mucosa are:

a. OrthoKeratiniezd stratified epithelium

b. NonKeratiniezd stratified epithelium

c. Keratiniezd stratified epithelium

d. ParaKeratiniezd stratified epithelium

50 / 60

Hypertrophy is?

a. Increase in size of an organ

b. Decrease in cell number of an organ

c. Decrease in size of an organ

d. Increase in cell number of an organ

51 / 60

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

a. Langerhans cell

b. Merkel cell

c. Melanocyte

d. Lymphocyte

52 / 60

Specialized cells stem from

a. Basement membrane

b. Cornified layer

c. Basal layer and prickle cell layer

d. Granular layer

53 / 60

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

a. Behind the nose and roof of the mouth

b. All the answers in this question are incorrect

c. Under the tongue

d. In the ears

54 / 60

Glands are classified based on?

a. Branching pattern of the ducts

b. Their secretory product

c. Made of secretion

d. All the answers in this question are correct

55 / 60

Cornified layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Nonkeratinized epithelium

c. Orthokeratinized epithelium

d. Parakeratinized epithelium

56 / 60

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

a. Vallate.

b. Filliform.

c. Foliate.

d. Fungiform.

57 / 60

Diskeratosis is?

a. Chronic inflammation

b. Increasing in the number of cells

c. Acute inflammation

d. Precancerous state

58 / 60

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

a. Prickle cell layer.

b. Basal cell layer.

c. Stratum granulosum.

d. The tonofilaments.

59 / 60

Which of the following conditions present as complete vesicle?

a. Pyostomatitis

b. Aphthous ulcer

c. Dermatitis

d. Pemphigus

60 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Pharynx

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Palate

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត