Oral Histology Test

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Oral Histology Test

1 / 60

Taste buds are in

a. Hard palate

b. Teeth

c. Tongue

d. Soft palate

2 / 60

Taste buds are in :

a. Hard palate

b. Soft palate

c. Teeth

d. Tongue

3 / 60

The most common malignancy found in the oral cavity is :

a. Squamous cell carcinoma

b. Basal cell carcinoma

c. Adenocarcinoma

d. Transitional cell carcinoma

4 / 60

Which of the following is not found in saliva :

a. Lysozyme

b. Bicarbonate

c. Phosphate

d. Triypsine

5 / 60

Basement membrane?

a. Consists lurati hyaline granules

b. Consists of lamina densa and lamina lucida

c. Consists of desmosomes and hemidesmosomes

d. Contains lamina lucida and lamina dura

6 / 60

Bacteria that cause disease are called:

a. Saprophytes

b. Protozoa

c. Pathogenic

d. Nonpathogenic

7 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and cells mitosis.

b. Abnormality of migration and cells mitosis.

c. Abnormality of structure and development of epithelial cells.

d. Abnormality of orientation and development of epithelial cells.

8 / 60

Circumvallate papillae are supplied by?

a. Glossopharyngeal nerve

b. Lingual nerve

c. Vagus

d. Hypoglossal nerve

9 / 60

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

a. Lacrimal gland

b. Sublingual gland

c. Submandibular gland

d. Von Ebner’s gland

10 / 60

A sign of bacterial infection is:

a. Pus

b. A cold

c. Bleeding

d. Parasites

11 / 60

Intermediate layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Keratinized epithelium

c. Nonkeratinized epithelium

d. Parakeratinized epithelium

12 / 60

The mucosa of the dorsal surface of the tongue is:

a. Linning mucosa.

b. Masticatory mucosa.

c. Smooth surface.

d. Spesialized mucosa.

13 / 60

Wharton’s duct drains the:

a. Pancreas

b. Lacrimal gland

c. Submandibular gland

d. Parotid

14 / 60

When do tonsils or adenoids need to be removed:

a. When a child is 10 years old

b. When a child is 5 years old

c. All the answers in this question are incorrect

d. When a child is having learning problems

15 / 60

Soft palate is?

a. Anterior pillar of tonsils

b. Looser anterior portion of the palate

c. Posterior pillar of tonsils

d. Looser posterior portion of the palate

16 / 60

All of the following is lined by stratified squamous epithelium except?

a. Lips

b. Roof of the soft plate

c. Tongue

d. Oropharynx

17 / 60

The mucous membrane of cheek and lips?

a. It attached to buccinators muscle in cheek

b. A and B are correct

c. It attached to orbicularis oris in lips

d. All the answers in this question are incorrect

18 / 60

Partially keratinized papilla is?

a. Foliate

b. Fungiform

c. Circumvallate

d. Filliform

19 / 60

Bartholin’s duct drains the:

a. Parotid

b. Submandibular gland

c. Lacrimal gland

d. Sublingual gland

20 / 60

The taste buds are rubbed off and replaced every:

a. Day

b. Year

c. 7-10 days

d. 30 days

21 / 60

What is the end of an axon called:

a. Terminal bouton

b. Astrocyte

c. Ganglion

d. Perikaryon

22 / 60

Glands are classified based on?

a. All the answers in this question are correct

b. Made of secretion

c. Their secretory product

d. Branching pattern of the ducts

23 / 60

The parotid gland opens :

a. At the caruncular

b. At the side of the lingual frenum

c. On the buccal mucosa opposite the maxillary second molar

d. On the floor of the mouth

24 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Glucose

b. ច្រោះ Proteins

c. ច្រោះ Toxic products

d. ច្រោះ Lipids

25 / 60

The spirilla bacteria Trepnema pallida causes:

a. Pneumonia

b. Syphilis

c. Abscesses

d. Tuberculosis

26 / 60

Which of the following are not usually found in the keratinocytes of the stratum spinosum of keratinized oral epithelium?:

a. Membrane coating granules.

b. Ribosomes.

c. Tonofibrils.

d. Keratohyaline granules.

27 / 60

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

a. Simple columnar epithelium

b. Stratified cuboidal epithelium

c. Simple squamous epithelium

d. Stratified squamous epithelium

28 / 60

Vesicle គឺជា

a. ពងខ្ទុះ

b. ពងទឹកលាយខ្ទុះ

c. ពងទឹកលាយឈាម

d. ពងទឹក

29 / 60

Granular cell myoblastoma of tongue is?

a. Malignant tumor of the tongue

b. Lymphatic enlargement of the tongue

c. Developmental anomaly of the tongue.

d. Benign tumor

30 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Free gingiva.

b. Mucosa of the floor of the mouth.

c. Palatal mucosa.

d. Attached gingiva.

31 / 60

Submandibular gland is supplied by:

a. Submandibular artery

b. Inferior alveolar artery

c. Facial artery

d. Lingual artery

32 / 60

Which these is a common problem with tonsils:

a. They can become infected themselves

b. They make an infection worse

c. They become swollen and They can become infected themselves

d. They become swollen

33 / 60

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

a. Lymphocyte

b. Langerhans cell

c. Merkel cell

d. Melanocyte

34 / 60

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

a. It moves apically with age.

b. It is derived entirely from ectomesenchyme.

c. It moves occlusally with age.

d. Contains clear submucosa.

35 / 60

The function of myoepithelial cells may be :

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

b. Initiating contraction

c. All the answers in this question are correct

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

36 / 60

Keratohyaline granules are found in?

a. Stratum basale

b. Prickle cell layer

c. Stratum granulosum

d. Stratum spinosum

37 / 60

Epithelium of oral mucous membrane is?

a. Only parakeratinized

b. Keratinized

c. Ortho,Para and nonkeratinized

d. Non keratinized

38 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Simple or stratified

b. Keratinized or not keratinized

c. Lining or granular

d. Squamous cuboidal or columnar

39 / 60

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

a. Buccal mucosa.

b. Floor of the mouth.

c. Alveolar mucosa.

d. Gingiva.

40 / 60

Bulla:

a. large pustule

b. Large vesicles that are confluent

c. Vesicle

d. large lesion

41 / 60

Most areas of oral mucosa are:

a. OrthoKeratiniezd stratified epithelium

b. Keratiniezd stratified epithelium

c. ParaKeratiniezd stratified epithelium

d. NonKeratiniezd stratified epithelium

42 / 60

Atrophy is?

a. Chronic inflammation

b. Lack of oxygen for cells

c. Lack of nutrition for cells

d. Acute inflammation

43 / 60

Hyperplasia គឺជា៖

a. Increase in cell number of an organ or tissue

b. Decrease in cell number of an organ

c. Decrease in size of an organ

d. Increase in size of an organ or tissue

44 / 60

What do your tonsils and adenoids do:

a. They help your nose with the sense of smell

b. They don’t do anything

c. They are part of your immune system

d. All the answers in this question are incorrect

45 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Palate

b. ចន្លោះ anterior pillar and posterior pillar

c. នៅលើ Pharynx

d. នៅលើ Larynx

46 / 60

Sublingual glands is a :

a. Mixed glands

b. Serous gland

c. Mucous gland

d. Present in root of the tongue

47 / 60

Masticatory mucosa has:

a. Elastic fibers in its lamina propria.

b. Stratum corneum.

c. No connective tissue papillae.

d. Elastic fibers in its blood vessels wall.

48 / 60

The humans, the lining epithelium of the esophagus is?

a. Simple columnar

b. Transitional

c. Stratified squamous, non-keratinized

d. Stratified squamous, keratinized

49 / 60

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

a. A sticky top

b. All the answers in this question are correct

c. A hard shell

d. Tiny hairs

50 / 60

Specialized cells migrate

a. to the lower layer

b. to lamina propria

c. to the upper layers

d. to basement membrane

51 / 60

Which of the following is found in the cerebellum:

a. Schwann cells

b. Neuroglia

c. Ganglion

d. Basket cells

52 / 60

Secialized cells migrate:

a. to the lower layer

b. to the upper layers

c. to lamina propria

d. to basement membrane

53 / 60

The tonsillar lymph node is situated at the level of?

a. Jugulodigastric crossing

b. Angle of the mandible

c. Clavicle

d. Vertebrae

54 / 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

55 / 60

The mushroom shaped papillae on the tongue are called:

a. Fungiform

b. Foliate

c. Filliform

d. Circumvallate

56 / 60

Bartholin’s duct is of:

a. Minor gland

b. Parotide gland

c. Sub-mandibular gland

d. Sub-lingual gland

57 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum granulosome cells

b. Destroying desmosome in stratum basal cells

c. Destroying desmosome in stratum spinosum cells

d. Swelling in intracellular space destroying desmosome in stratum spinosum cells

58 / 60

The immunoglobulin present in saliva is :

a. IgM

b. IgG

c. IgA

d. IgE

59 / 60

The mucogingival junction is the junction of:

a. Sulcular epithelium & free gingiva.

b. Sulcular epithelium & free gingiva.

c. Alveolar mucosa and attached gingiva.

d. Palatine gingival & rougae zone.

60 / 60

Masticatory mucosa is?

a. Ortho keratinized

b. Para keratinized

c. Sub keratinized

d. Non keratinized

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត