Oral Histology Test

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Oral Histology Test

1 / 60

A long with a sore throat and fever ,which of these can be a symptom of an adenoid infection:

a. All the answers in this question are correct

b. Breathing mostly through the mouth, rather than through the nose

c. Ear infections that keep coming back

d. Noisy breathing while a wake

e. Snoring during sleep

2 / 60

Excretory duct is

a. a duct from a parotide gland

b. a duct from a submandibular gland

c. a duct from a striated ducts

d. a duct from a sublimgual gland

3 / 60

Bartholin’s duct is of:

a. Minor gland

b. Parotide gland

c. Sub-mandibular gland

d. Sub-lingual gland

4 / 60

Bartholin’s duct is the name of :

a. Lacrimal duct

b. Sublingual duct

c. Submandibular duct

d. Parotid duct

5 / 60

The somatic nervous system is part of the:

a. Autonomic nervous system

b. All the answers in this question are incorrect

c. Parasympathetic nervous system

d. Sympathetic nervous system

6 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum granulosome cells

b. Destroying desmosome in stratum spinosum cells

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

d. Destroying desmosome in stratum basal cells

7 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅលើ Larynx

d. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

8 / 60

Epithelium of oral mucous membrane is?

a. Keratinized

b. Ortho,Para and nonkeratinized

c. Non keratinized

d. Only parakeratinized

9 / 60

Granular cell tumors of the adult is commonly seen on?

a. Gingiva

b. Lower lip

c. Upper lip

d. Tongue

10 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and lamina propria

b. Epithelium and submucosa

c. Lamina propria and submucosa

d. Epithelium and Bone

11 / 60

B-cells ( lumphocytes ) can?

a. Secrete interferon

b. Give rise to plasma cells

c. Suppress T-cells

d. Kill other cells

12 / 60

Keratohyaline granules are more evident in?

a. Para keratinized

b. Non keratinized

c. Ortho keratinized

d. Keratinized

13 / 60

Myoepithelial cells are present in :

a. Striate duct

b. Serous cells

c. Mucous cells

d. Intercalated duct and terminal duct

14 / 60

The vermilion border requires frequent moistening because?

a. It contains less number of sweat glands

b. It contains more of sebaceous glands

c. It contains more of sweat glands

d. It contains less number of sebaceous glands

15 / 60

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

a. Lymphocyte

b. Langerhans cell

c. Merkel cell

d. Melanocyte

16 / 60

Granular layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Non-keratinized epithelium

c. Para-keratinized epithelium

d. Keratinized, Para-keratinized and Ortho-keratinized epithelium

17 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and muscular layer.

b. Epithelium and basement membrane.

c. Mucosa & submucosa.

d. Epithelium, lamina propria and basement membrane.

18 / 60

The buccal mucosa:

a. Is continuous with the gingival mucosa.

b. Has numerous connective tissue papillae.

c. Has a keratinized epithelium.

d. It is firmly attached to the underlying tissues.

19 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Glucose

b. ច្រោះ Toxic products

c. ច្រោះ Lipids

d. ច្រោះ Proteins

20 / 60

The three laterally paired major salivary glands are located :

a. Intra orally

b. Extra orally

c. In neck

d. In tongue

21 / 60

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

a. Simple squamous epithelium

b. Simple columnar epithelium

c. Stratified cuboidal epithelium

d. Stratified squamous epithelium

22 / 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.

23 / 60

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

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

b. Can migrate coronally.

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

d. Is impermeable to dyes and fluids.

24 / 60

What is the end of an axon called:

a. Astrocyte

b. Terminal bouton

c. Perikaryon

d. Ganglion

25 / 60

The humans, the lining epithelium of the esophagus is?

a. Simple columnar

b. Transitional

c. Stratified squamous, keratinized

d. Stratified squamous, non-keratinized

26 / 60

Myoepithelial cell of an acini is:

a. kind of contractile cell on an acini

b. kind of cell in a tonsil

c. kind of cell in a heart

d. kind of cell in a salivery gland

27 / 60

What is a secretory cell in oral cavity:

a. Cell producing hormone

b. Cell producing gastric acid

c. Cell producing histamine

d. Cell producing saliva

28 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Pharynx

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Palate

29 / 60

Superficial layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Nonkeratinized epithelium

c. Parakeratinized epithelium

d. Orthokeratinized epithelium

30 / 60

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

a. All the answers in this question are incorrect

b. Parotid gland

c. Submandibular gland

d. Sublingual gland

31 / 60

Which of the following is not found in saliva :

a. Phosphate

b. Bicarbonate

c. Triypsine

d. Lysozyme

32 / 60

Parakeratinized epithelium is found in:

a. Ventral surface of tongue.

b. Vestibular fornix.

c. Gingiva.

d. Floor of the mouth.

33 / 60

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

a. Roof of the soft plate

b. Tongue

c. Oropharynx

d. Lips

34 / 60

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

a. Fungiform

b. Circumvallate

c. Foliate

d. Filliform

35 / 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

36 / 60

The thinnest epithelium of oral cavity is found in the?

a. Sublingual mucosa (floor of mouth)

b. Buccal gingiva

c. Oral surface of lip

d. Lingual gingiva

37 / 60

Soft palate is?

a. Looser anterior portion of the palate

b. Posterior pillar of tonsils

c. Looser posterior portion of the palate

d. Anterior pillar of tonsils

38 / 60

The function of myoepithelial cells may be :

a. All the answers in this question are correct

b. Initiating contraction

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

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

39 / 60

Displasia គឺជា៖

a. Disorder of cell in migration

b. Disorder of cell distribution

c. Disorder of cell structure formation

d. Disorder of cell in mitosis

40 / 60

Minor salivary glands are present in the submucosa throughout the oral mucosa except the?

a. Retromolar area and hard palate

b. Gingiva and anterior part of hard palate

c. Lip and posterior third of the hard palate

d. Tongue and soft palate

41 / 60

The immunoglobulin present in saliva is :

a. IgM

b. IgE

c. IgA

d. IgG

42 / 60

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

a. A granulocytosis

b. Herpes zoster

c. Pemphigus

d. Herpes simplex

43 / 60

Diskeratosis គឺជាៈ

a. Abnormality of migration and cells mitosis.

b. Abnormality of structure and development of epithelial cells.

c. Abnormality of orientation and cells mitosis.

d. Abnormality of orientation and development of epithelial cells.

44 / 60

The sulcular epithelium:

a. Is keratinized.

b. Has thick epithelial layer.

c. Has long epithelial ridges.

d. Is nonkeratinized.

45 / 60

A node of Ranvier is?

a. Characteristic of unmyelinated fibers

b. A junction between two schwann cells

c. A constriction of the axon

d. A nerve receptor

46 / 60

Atrophy is?

a. Lack of nutrition for cells

b. Chronic inflammation

c. Lack of oxygen for cells

d. Acute inflammation

47 / 60

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

a. Keratohyaline granules.

b. Membrane coating granules.

c. Ribosomes.

d. Tonofibrils.

48 / 60

The sweet taste come from:

a. Sugars

b. Alcohols

c. Amino acids

d. All the answers in this question are correct

49 / 60

The ducts of glands opening into the floor of the mouth are :

a. Von Ebner

b. Submandibular and Parotid

c. Sublingual and Parotid

d. Submandibular and Sublingual

50 / 60

Most areas of oral mucosa are:

a. Keratiniezd stratified epithelium

b. ParaKeratiniezd stratified epithelium

c. OrthoKeratiniezd stratified epithelium

d. NonKeratiniezd stratified epithelium

51 / 60

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

a. Dermiod cyst

b. Ranula

c. Follicular cyst

d. Dentigerous cyst

52 / 60

The floor of the mouth is lined by:

a. Specialized mucosa.

b. Linning mucosa loosely attached.

c. Masticatory mucosa.

d. Linning mucosa firmly attached.

53 / 60

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

a. Melanocytes

b. Mast cells

c. Keratinocytes

d. Myoepithelial cell

54 / 60

Buccal mucosa is?

a. Ortho keratinized

b. Para keratinized

c. Non- keratinized

d. Keratinized

55 / 60

Masticatory mucosa in the oral cavity covers the?

a. Gingiva and hard palate

b. Floor of the mouth and soft palate

c. Lip and cheek

d. Alveolar mucosa and vestibular fornix

56 / 60

Which of the following cells synthesize protein which remains within the cell without secretion:

a. Osteoblasts.

b. Fibroblast.

c. Plasma cell.

d. Keratinocyte.

57 / 60

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

a. 1st month

b. 4th month

c. 3rd month

d. 2nd month

58 / 60

The tonsillar lymph node is situated at the level of?

a. Jugulodigastric crossing

b. Clavicle

c. Angle of the mandible

d. Vertebrae

59 / 60

Which of the following is found in the cerebellum:

a. Neuroglia

b. Schwann cells

c. Basket cells

d. Ganglion

60 / 60

Inflammation of the lips is refered to as?

a. Cheilitis

b. Glossitis migrican

c. Stomatitis

d. Vincent angina

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត