Oral Histology Test

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Oral Histology Test

1 / 60

When do tonsils or adenoids need to be removed:

a. When a child is 5 years old

b. When a child is 10 years old

c. When a child is having learning problems

d. All the answers in this question are incorrect

2 / 60

Taste buds មិនមាននៅក្នុង:

a. Filiform papillae

b. Circumvallate papillae

c. Fungiform papillae

d. Foliate papillae

3 / 60

Submandibular gland is supplied by:

a. Facial artery

b. Submandibular artery

c. Lingual artery

d. Inferior alveolar artery

4 / 60

Glands emptying the circumvalate trough are the:

a. Mucous and serous mixed glands.

b. Mucous glands.

c. Serous glands.

d. Glands of Nuhn.

5 / 60

Which of the following represents the correct innervation of fungiform papilla?:

a. Glossopharyngeal nerve.

b. Facial nerve.

c. Chorda tympani.

d. Trigeminal nerve.

6 / 60

Granular cell tumors of the adult is commonly seen on?

a. Upper lip

b. Gingiva

c. Lower lip

d. Tongue

7 / 60

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

a. Top

b. Underneath

c. Back

d. Tip and sides

8 / 60

Acantholysis គឺជាៈ

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

b. Destroying desmosome in stratum granulosome cells

c. Destroying desmosome in stratum basal cells

d. Destroying desmosome in stratum spinosum cells

9 / 60

Inflammation of the lips is refered to as?

a. Glossitis migrican

b. Stomatitis

c. Cheilitis

d. Vincent angina

10 / 60

Basement membrane នៅចន្លោះ:

a. Lamina propria and submucosa

b. Epithelium and lamina propria

c. Epithelium and submucosa

d. Epithelium and Bone

11 / 60

Labial and buccal miner salivary glands are:

a. Purely serous

b. Mixed

c. All the answers in this question are incorrect

d. Purely mucous

12 / 60

The papillae lined up in the back of the tongue are called:

a. Filliform

b. Foliate

c. Fungiform

d. Circumvallate

13 / 60

Which of the following is found in the cerebellum:

a. Ganglion

b. Basket cells

c. Neuroglia

d. Schwann cells

14 / 60

Vesicle គឺជា

a. ពងទឹកលាយខ្ទុះ

b. ពងខ្ទុះ

c. ពងទឹកលាយឈាម

d. ពងទឹក

15 / 60

Masticatory mucosa is?

a. Para keratinized

b. Sub keratinized

c. Non keratinized

d. Ortho keratinized

16 / 60

Partially keratinized papilla is?

a. Fungiform

b. Circumvallate

c. Filliform

d. Foliate

17 / 60

The buccal mucosa:

a. Is continuous with the gingival mucosa.

b. It is firmly attached to the underlying tissues.

c. Has a keratinized epithelium.

d. Has numerous connective tissue papillae.

18 / 60

Wharton’s duct drains the:

a. Lacrimal gland

b. Pancreas

c. Submandibular gland

d. Parotid

19 / 60

Merkel cells are found in which of the following tissue?

a. Epidermis

b. Papillary layer of dermis

c. Hypodermis

d. Reticular of dermis

20 / 60

The structure of the oral mucosa is:

a. Mucosa & submucosa.

b. Epithelium, lamina propria and muscular layer.

c. Epithelium and basement membrane.

d. Epithelium, lamina propria and basement membrane.

21 / 60

Keratohyalin granules are present in:

a. Cornified layer

b. Basement membrane

c. Basal layer and prickle cell layer

d. Granular layer and prickle cell layer

22 / 60

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

a. Parotid glands

b. Sublingual glands

c. All the answers in this question are incorrect

d. Submandibular glands

23 / 60

Excretory duct is

a. a duct from a submandibular gland

b. a duct from a parotide gland

c. a duct from a striated ducts

d. a duct from a sublimgual gland

24 / 60

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

a. The tonofilaments.

b. Basal cell layer.

c. Prickle cell layer.

d. Stratum granulosum.

25 / 60

Taste buds are not found on:

a. Foliate papillae.

b. Circumvallate papillae.

c. Filliform papillae.

d. Fungiform papillae.

26 / 60

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

a. Follicular cyst

b. Dentigerous cyst

c. Dermoid cyst

d. Ranula

27 / 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

28 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Larynx

c. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

d. នៅលើ Palate

29 / 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.

30 / 60

Which of the following conditions present as complete vesicle?

a. Dermatitis

b. Pemphigus

c. Pyostomatitis

d. Aphthous ulcer

31 / 60

Difference between the skin and mucosa of cheek is?

a. Thick lamina propria on skin of cheek

b. Keratinized mucosa of cheek

c. Rete pegs

d. Thin lamina and non keratinized mucosa of cheek

32 / 60

How are infections of the tonsils or adenoids usually treat:

a. Antibiotic

b. Aspirin

c. All the answers in this question are incorrect

d. Acetaminophen

33 / 60

The function of myoepithelial cells may be :

a. Initiating contraction

b. All the answers in this question are correct

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

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

34 / 60

The thinnest epithelium of oral cavity is found in the?

a. Lingual gingiva

b. Sublingual mucosa (floor of mouth)

c. Oral surface of lip

d. Buccal gingiva

35 / 60

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

a. Streptococci

b. Diplococci

c. Staphylococci

d. Bacilli

36 / 60

Non keratinized epithelium is found over?

a. Interdental papilla

b. Attached gingiva

c. Gingival sulcus

d. Free gingiva

37 / 60

The vermilion border requires frequent moistening because?

a. It contains more of sweat glands

b. It contains less number of sebaceous glands

c. It contains more of sebaceous glands

d. It contains less number of sweat glands

38 / 60

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

a. Stratified cuboidal epithelium

b. Simple columnar epithelium

c. Stratified squamous epithelium

d. Simple squamous epithelium

39 / 60

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

a. Langerhans cell.

b. Lymphocyte.

c. Melanocyte.

d. Merkel cell.

40 / 60

Secialized cells migrate:

a. to the upper layers

b. to the lower layer

c. to lamina propria

d. to basement membrane

41 / 60

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

a. 4th month

b. 2nd month

c. 1st month

d. 3rd month

42 / 60

Atrophy គឺជា៖

a. Lack of nutrition for cells

b. Chronic inflammation

c. Lack of oxygen for cells

d. Acute inflammation

43 / 60

Glands are classified based on?

a. Made of secretion

b. Branching pattern of the ducts

c. Their secretory product

d. All the answers in this question are correct

44 / 60

The parotid glands open through the :

a. Wharton’s duct

b. Blandin’s duct

c. Bartholin’s duct

d. Stensen’s duct

45 / 60

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

a. Vestibular fornix.

b. Attached gingiva.

c. Buccal mucosa.

d. Hard palate.

46 / 60

The total amount of saliva secreted by all the salivary glands about 30% is secreted by the :

a. Parotid gland

b. All the answers in this question are incorrect

c. Submandibular gland

d. Sublingual gland

47 / 60

Stratum granulosum is not present in?

a. Sulcular epithelium

b. Non keratinized epithelium

c. Hyper parakeratosis

d. Hyper orthokeratosis

48 / 60

Tongue papillae responsible for bitter taste sensation:

a. Filliform papillae.

b. Circumvallate papillae.

c. Foliate papillae.

d. Fungiform papillae.

49 / 60

Superficial layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Parakeratinized epithelium

c. Orthokeratinized epithelium

d. Nonkeratinized epithelium

50 / 60

Facial artery is the branch of the:

a. External carotid artery

b. Internal carotid artery

c. Superficial temporal

51 / 60

B-cells ( lumphocytes ) can?

a. Give rise to plasma cells

b. Suppress T-cells

c. Secrete interferon

d. Kill other cells

52 / 60

Intercalated duct is :

a. a duct from a salivery gland

b. a duct from a paritide gland

c. a duct from a lumen

d. a duct from acinus

53 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Tubal tonsil

b. Pharyngeal tonsil

c. All are corrects

d. Palatine tonsils and Lingual tonsil

54 / 60

Masticatory mucosa has:

a. Stratum corneum.

b. No connective tissue papillae.

c. Elastic fibers in its lamina propria.

d. Elastic fibers in its blood vessels wall.

55 / 60

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

a. Dentigerous cyst

b. Follicular cyst

c. Dermiod cyst

d. Ranula

56 / 60

The mode of attachment of the junctional epithelium is:

a. Basement membrane.

b. Odland's bodies.

c. Enamel cuticle.

d. Basal lamina & hemidesmosome.

57 / 60

Intermediate layer មាននៅក្នុងៈ

a. Parakeratinized epithelium

b. Nonkeratinized epithelium

c. Orthokeratinized epithelium

d. Keratinized epithelium

58 / 60

The peripheral nervous system includes the:

a. Nuclei

b. Spinal cord

c. Brain

d. Somatic nervous system

59 / 60

Bulla

a. Vesicle

b. large pustule

c. Large vesicles that are confluent

d. large lesion

60 / 60

Soft palate is?

a. Looser posterior portion of the palate

b. Looser anterior portion of the palate

c. Anterior pillar of tonsils

d. Posterior pillar of tonsils

Your score is

The average score is 92%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត