Oral Histology Test

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Oral Histology Test

1 / 60

Striated duct is:

a. a duct from a salivery gland

b. a duct from a submandibular gland

c. a duct from a system duct

d. a duct from intercalated ducts

2 / 60

Bulla:

a. Vesicle

b. Large vesicles that are confluent

c. large pustule

d. large lesion

3 / 60

The spirilla bacteria Trepnema pallida causes:

a. Pneumonia

b. Tuberculosis

c. Syphilis

d. Abscesses

4 / 60

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

a. It moves occlusally with age.

b. It is derived entirely from ectomesenchyme.

c. Contains clear submucosa.

d. It moves apically with age.

5 / 60

ទីតាំងរបស់ Tubal tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅខាងក្រោយនៃ opening of Eustachian tube គឺនៅក្នុង Nasopharynx

6 / 60

Epithelium of oral mucous membrane is?

a. Non keratinized

b. Only parakeratinized

c. Ortho,Para and nonkeratinized

d. Keratinized

7 / 60

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

a. Floor of the mouth.

b. Gingiva.

c. Buccal mucosa.

d. Alveolar mucosa.

8 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Attached gingiva.

b. Mucosa of the floor of the mouth.

c. Free gingiva.

d. Palatal mucosa.

9 / 60

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

a. Sublingual and Parotid

b. Von Ebner

c. Submandibular and Sublingual

d. Submandibular and Parotid

10 / 60

Which of the following is not found in saliva :

a. Phosphate

b. Lysozyme

c. Triypsine

d. Bicarbonate

11 / 60

ទីតាំងរបស់ Lingual tonsil គឺៈ

a. នៅលើ Larynx

b. នៅលើ Palate

c. នៅលើ Pharynx

d. នៅផ្នែកខាងក្រោយបង្អស់នៃអណ្តាត ក្នុងបំពង់ក

12 / 60

Bartholin’s duct is the name of :

a. Parotid duct

b. Submandibular duct

c. Sublingual duct

d. Lacrimal duct

13 / 60

A node of Ranvier is?

a. Characteristic of unmyelinated fibers

b. A constriction of the axon

c. A junction between two schwann cells

d. A nerve receptor

14 / 60

Glands are classified based on?

a. All the answers in this question are correct

b. Branching pattern of the ducts

c. Their secretory product

d. Made of secretion

15 / 60

Hypertrophy is?

a. Decrease in cell number of an organ

b. Increase in size of an organ

c. Increase in cell number of an organ

d. Decrease in size of an organ

16 / 60

The normal P^Hof saliva is about :

a. 9.5

b. 8.5

c. 7.5

d. 5.5

17 / 60

Technical term for bacteria that live on dead matter is:

a. Saprophytes

b. Flagella

c. Viruses

d. Parasites

18 / 60

The function of myoepithelial cells may be :

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

b. All the answers in this question are correct

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

d. Initiating contraction

19 / 60

Bacteria that cause disease are called:

a. Nonpathogenic

b. Pathogenic

c. Saprophytes

d. Protozoa

20 / 60

In the tongue bitter taste is more perceived at?

a. Back

b. Tip

c. Front

d. Sides

21 / 60

The parotid gland opens :

a. On the buccal mucosa opposite the maxillary second molar

b. On the floor of the mouth

c. At the caruncular

d. At the side of the lingual frenum

22 / 60

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

a. Occupational

b. Communicable

c. Congenital

d. Chronic

23 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Simple or stratified

b. Lining or granular

c. Keratinized or not keratinized

d. Squamous cuboidal or columnar

24 / 60

Keratohyaline granules are found in?

a. Stratum spinosum

b. Prickle cell layer

c. Stratum granulosum

d. Stratum basale

25 / 60

Bartholin’s duct is of:

a. Sub-lingual gland

b. Minor gland

c. Sub-mandibular gland

d. Parotide gland

26 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅលើ Pharynx

b. នៅលើ Palate

c. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

d. នៅលើ Larynx

27 / 60

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

a. Basal cells and parabasal spinous cslls

b. Basal cell layer

c. Granular cell layer

d. Spinous cells and granular cells

28 / 60

The connective tissue of the gingiva is known as the?

a. Fibroblasts

b. Lamina propria

c. Dental cuticle

d. Lamina dura

29 / 60

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

a. 2nd month

b. 4th month

c. 3rd month

d. 1st month

30 / 60

Which of the following conditions present as complete vesicle?

a. Aphthous ulcer

b. Pemphigus

c. Pyostomatitis

d. Dermatitis

31 / 60

Basement membrane?

a. Contains lamina lucida and lamina dura

b. Consists lurati hyaline granules

c. Consists of desmosomes and hemidesmosomes

d. Consists of lamina densa and lamina lucida

32 / 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

33 / 60

The basket cells are also known as :

a. Myoepithelial cells

b. All the answers in this question are incorrect

c. Endothelial cells

d. Parenchymal cells

34 / 60

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

a. Diplococci

b. Staphylococci

c. Bacilli

d. Streptococci

35 / 60

Sublingual glands is a :

a. Mixed glands

b. Serous gland

c. Present in root of the tongue

d. Mucous gland

36 / 60

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

a. Glossopharyngeal nerve.

b. Facial nerve.

c. Trigeminal nerve.

d. Chorda tympani.

37 / 60

Disease in plant or animal tissue is caused by:

a. Saprophytes

b. Pathogenic bacteria

c. Nonpathogenic bacteria

d. Acidophilus

38 / 60

Taste buds are in

a. Soft palate

b. Hard palate

c. Teeth

d. Tongue

39 / 60

The lymph nodes មានតួនាទី :

a. ច្រោះ Proteins

b. ច្រោះ Toxic products

c. ច្រោះ Glucose

d. ច្រោះ Lipids

40 / 60

Hypertrophy គឺជា៖

a. Increase in size of an organ

b. Decrease in size of an organ

c. Decrease in cell number of an organ

d. Increase in cell number of an organ

41 / 60

The mucogingival junction is the junction of:

a. Palatine gingival & rougae zone.

b. Sulcular epithelium & free gingiva.

c. Sulcular epithelium & free gingiva.

d. Alveolar mucosa and attached gingiva.

42 / 60

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Fungiform papillae:

a. Have a lamina propria which is poorly vascularized.

b. Have a stratum corneum.

c. Are seen as white spots.

d. Carry taste buds.

43 / 60

Inflammation of the lips is refered to as?

a. Glossitis migrican

b. Vincent angina

c. Cheilitis

d. Stomatitis

44 / 60

Which papillae are completely keratinized?

a. Filliform

b. Foliate

c. Circumvallate

d. Fungiform

45 / 60

What is the end of an axon called:

a. Ganglion

b. Astrocyte

c. Perikaryon

d. Terminal bouton

46 / 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. Submandibular gland

c. Sublingual gland

d. Parotid gland

47 / 60

Atrophy គឺជា៖

a. Lack of oxygen for cells

b. Acute inflammation

c. Chronic inflammation

d. Lack of nutrition for cells

48 / 60

The tonsillar lymph node is situated at the level of?

a. Clavicle

b. Vertebrae

c. Jugulodigastric crossing

d. Angle of the mandible

49 / 60

Granular cell myoblastoma of tongue is?

a. Developmental anomaly of the tongue.

b. Benign tumor

c. Lymphatic enlargement of the tongue

d. Malignant tumor of the tongue

50 / 60

The parotid glands open through the :

a. Stensen’s duct

b. Bartholin’s duct

c. Blandin’s duct

d. Wharton’s duct

51 / 60

The oral mucosa ចែកចេញជា:

a. ពីរស្រទាប់ epithelium and connective tissue

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

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

d. បីស្រទាប់ epithelium, connective tissue and lamina propria

52 / 60

Bulla

a. large lesion

b. Large vesicles that are confluent

c. large pustule

d. Vesicle

53 / 60

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

a. Stratified squamous epithelium

b. Simple squamous epithelium

c. Simple columnar epithelium

d. Stratified cuboidal epithelium

54 / 60

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

a. Stratum granulosum.

b. Prickle cell layer.

c. The tonofilaments.

d. Basal cell layer.

55 / 60

Long connective tissue papillae and keratinized epithelium are a feature of these parts of oral mucosa?

a. Hard palate and gingiva

b. Hard and soft palate

c. Buccal and alveolar mucosa

d. Gingiva and alveolar mucosa

56 / 60

Soft palate is?

a. Posterior pillar of tonsils

b. Anterior pillar of tonsils

c. Looser anterior portion of the palate

d. Looser posterior portion of the palate

57 / 60

Buccal mucosa is?

a. Keratinized

b. Ortho keratinized

c. Para keratinized

d. Non- keratinized

58 / 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. Snoring during sleep

d. Ear infections that keep coming back

e. Noisy breathing while a wake

59 / 60

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

a. I

b. III

c. IV

d. II

60 / 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. Keratohyaline granules.

c. Ribosomes.

d. Tonofibrils.

Your score is

The average score is 78%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត