Oral Histology Test

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Oral Histology Test

1 / 60

Secialized cells migrate:

a. to lamina propria

b. to basement membrane

c. to the lower layer

d. to the upper layers

2 / 60

Von Ebner’s salivary gland is:

a. Minor gland

b. Sub-mandibular gland

c. Sub-lingual gland

d. Parotide gland

3 / 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

4 / 60

Non keratinized epithelium is found over?

a. Free gingiva

b. Interdental papilla

c. Gingival sulcus

d. Attached gingiva

5 / 60

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

a. Noisy breathing while a wake

b. Snoring during sleep

c. Ear infections that keep coming back

d. All the answers in this question are correct

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

6 / 60

The most common malignancy found in the oral cavity is :

a. Adenocarcinoma

b. Transitional cell carcinoma

c. Basal cell carcinoma

d. Squamous cell carcinoma

7 / 60

Which one of the following epithelium is least common?

a. Transitional

b. Simple columnar

c. Pseudo stratified columnar ( ciliated )

d. Stratified columnar

8 / 60

Cornified layer មាននៅក្នុងៈ

a. Orthokeratinized epithelium

b. Keratinized epithelium

c. Parakeratinized epithelium

d. Nonkeratinized epithelium

9 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Simple or stratified

b. Lining or granular

c. Squamous cuboidal or columnar

d. Keratinized or not keratinized

10 / 60

Taste buds are not found on:

a. Fungiform papillae.

b. Filliform papillae.

c. Circumvallate papillae.

d. Foliate papillae.

11 / 60

Keratohyalin granules are present in

a. Granular layer and prickle cell layer

b. Basal layer and prickle cell layer

c. Basement membrane

d. Cornified layer

12 / 60

What do your tonsils and adenoids do:

a. They are part of your immune system

b. They don’t do anything

c. All the answers in this question are incorrect

d. They help your nose with the sense of smell

13 / 60

Soft palate is?

a. Posterior pillar of tonsils

b. Looser posterior portion of the palate

c. Looser anterior portion of the palate

d. Anterior pillar of tonsils

14 / 60

Color of the normal gingiva is?

a. Coral pink

b. Red

c. Pink

d. All the answers in this question are incorrect

15 / 60

Wharton’s duct drains the:

a. Parotid

b. Lacrimal gland

c. Pancreas

d. Submandibular gland

16 / 60

Basement membrane នៅចន្លោះ:

a. Epithelium and lamina propria

b. Epithelium and submucosa

c. Lamina propria and submucosa

d. Epithelium and Bone

17 / 60

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

a. 1st month

b. 2nd month

c. 3rd month

d. 4th month

18 / 60

Acantholysis គឺជាៈ

a. Destroying desmosome in stratum granulosome cells

b. Destroying desmosome in stratum spinosum cells

c. Destroying desmosome in stratum basal cells

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

19 / 60

The peripheral nervous system includes the:

a. Somatic nervous system

b. Nuclei

c. Brain

d. Spinal cord

20 / 60

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

a. Keratohyaline granules.

b. Desmosomes.

c. Lysosomes.

d. Glycogen contents.

21 / 60

Superficial layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Orthokeratinized epithelium

c. Keratinized epithelium

d. Parakeratinized epithelium

22 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. Tubal tonsil

b. Palatine tonsils and Lingual tonsil

c. All the answers in this question are correct

d. Pharyngeal tonsil

23 / 60

Most cases of tonsillitis occur in which age group:

a. 40 to 65

b. 10 and under

c. 21 to 40

d. 11 to 21

24 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and cells mitosis.

b. Abnormality of orientation and development of epithelial cells.

c. Abnormality of structure and development of epithelial cells.

d. Abnormality of migration and cells mitosis.

25 / 60

Taste buds are in :

a. Hard palate

b. Teeth

c. Tongue

d. Soft palate

26 / 60

The three laterally paired major salivary glands are located :

a. In tongue

b. In neck

c. Intra orally

d. Extra orally

27 / 60

ទីតាំងរបស់ Pharyngeal tonsil គឺៈ

a. នៅខាងលើនិងខាងក្រោយកន្លែងបត់នៃរន្ធច្រមុះទៅក្នុង Nasopharynx

b. នៅលើ Larynx

c. នៅលើ Palate

d. នៅលើ Pharynx

28 / 60

Inflammation of the lips is refered to as?

a. Glossitis migrican

b. Stomatitis

c. Vincent angina

d. Cheilitis

29 / 60

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Which is not true about taste buds:

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

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

30 / 60

Glands are classified based on?

a. Their secretory product

b. All the answers in this question are correct

c. Branching pattern of the ducts

d. Made of secretion

31 / 60

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

a. Keratohyaline granules.

b. Tonofibrils.

c. Ribosomes.

d. Membrane coating granules.

32 / 60

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

a. Sublingual and Parotid

b. Submandibular and Sublingual

c. Submandibular and Parotid

d. Von Ebner

33 / 60

Hyperplasia គឺជា៖

a. Increase in size of an organ or tissue

b. Decrease in cell number of an organ

c. Increase in cell number of an organ or tissue

d. Decrease in size of an organ

34 / 60

Taste buds មិនមាននៅក្នុង:

a. Circumvallate papillae

b. Fungiform papillae

c. Foliate papillae

d. Filiform papillae

35 / 60

Disease in plant or animal tissue is caused by:

a. Nonpathogenic bacteria

b. Saprophytes

c. Acidophilus

d. Pathogenic bacteria

36 / 60

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Fungiform papillae:

a. Have a stratum corneum.

b. Are seen as white spots.

c. Have a lamina propria which is poorly vascularized.

d. Carry taste buds.

37 / 60

Glands emptying the circumvalate trough are the:

a. Mucous glands.

b. Glands of Nuhn.

c. Mucous and serous mixed glands.

d. Serous glands.

38 / 60

The cells most frequently found in a granuloma are :

a. Lymphocytes

b. Neutrophil

c. Mast cells

d. Giant cells

39 / 60

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

a. Staphylococci

b. Bacilli

c. Streptococci

d. Diplococci

40 / 60

Atrophy is?

a. Lack of oxygen for cells

b. Lack of nutrition for cells

c. Chronic inflammation

d. Acute inflammation

41 / 60

The mode of attachment of the junctional epithelium is:

a. Basal lamina & hemidesmosome.

b. Odland's bodies.

c. Enamel cuticle.

d. Basement membrane.

42 / 60

Which these is a common problem with tonsils:

a. They make an infection worse

b. They can become infected themselves

c. They become swollen

d. They become swollen and They can become infected themselves

43 / 60

Sulcular epithelium is formed of:

a. Parakeratinized stratified squamous epithelium.

b. Orthokeratinized stratified squamous epithelium.

c. Nonkeratinized stratified squamous epithelium.

d. Columnar epithelium.

44 / 60

Submandibular gland is supplied by:

a. Lingual artery

b. Submandibular artery

c. Inferior alveolar artery

d. Facial artery

45 / 60

The most important indication of malignant lesion is?

a. Pain

b. Tooth resorption

c. Paresthesia

d. Teeth movement

46 / 60

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

a. Fungiform.

b. Filliform.

c. Vallate.

d. Foliate.

47 / 60

Which of the following is not found in saliva :

a. Phosphate

b. Triypsine

c. Lysozyme

d. Bicarbonate

48 / 60

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

a. Circumvallate

b. Foliate

c. Fungiform

d. Filliform

49 / 60

20 Which of the following contributes to the reddish coloration of the vermilion border?:

a. Vascularity of the lamina propria.

b. Epithelial keratinization.

c. Existance of high number of langerhans cells.

d. Thichness of oral epithelium.

50 / 60

Stenon’s duct is of:

a. Minor gland

b. Sub-mandibular gland

c. Sub-lingual gland

d. Parotide gland

51 / 60

Salivary glands are not found in :

a. Anterior part of the hard palate

b. Nasopalatine canal

c. In mandible posterior to the 3rd molar

d. Posterior part of the hard palate

52 / 60

Supporting cells of taste buds are called as?

a. Acini

b. Taste cells

c. Sustenticular cells

d. Von Ebner cells

53 / 60

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

a. Glossopharyngeal nerve.

b. Facial nerve.

c. Trigeminal nerve.

d. Chorda tympani.

54 / 60

Partially keratinized papilla is?

a. Circumvallate

b. Foliate

c. Filliform

d. Fungiform

55 / 60

Which these may be a symptom of tonsillitis:

a. Swollen lymph nodes in the neck

b. Fever

c. Bad breath

d. All the answers in this question are correct

e. Sore throat

56 / 60

The mushroom shaped papillae on the tongue are called:

a. Foliate

b. Circumvallate

c. Fungiform

d. Filliform

57 / 60

នៅក្នុងមាត់ មាន Tosils អ្វីខ្លះ:

a. All are corrects

b. Palatine tonsils and Lingual tonsil

c. Tubal tonsil

d. Pharyngeal tonsil

58 / 60

The parotid gland opens :

a. At the caruncular

b. At the side of the lingual frenum

c. On the floor of the mouth

d. On the buccal mucosa opposite the maxillary second molar

59 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Sulcular epithelium

c. Hyper orthokeratosis

d. Hyper parakeratosis

60 / 60

Circumvallate papillae are supplied by?

a. Hypoglossal nerve

b. Lingual nerve

c. Glossopharyngeal nerve

d. Vagus

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត