Oral Histology Test

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Oral Histology Test

1 / 60

Parasites are types of:

a. Disease

b. Pathogenic virus

c. Pathogenic bacteria

d. Nonpathogenic bacteria

2 / 60

The parotid glands open through the :

a. Blandin’s duct

b. Bartholin’s duct

c. Stensen’s duct

d. Wharton’s duct

3 / 60

Normal
0

false
false
false

EN-US
JA
KHM

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Fungiform papillae:

a. Carry taste buds.

b. Have a stratum corneum.

c. Have a lamina propria which is poorly vascularized.

d. Are seen as white spots.

4 / 60

Non keratinized epithelium is found over?

a. Free gingiva

b. Gingival sulcus

c. Attached gingiva

d. Interdental papilla

5 / 60

Taste buds are not found on:

a. Foliate papillae.

b. Circumvallate papillae.

c. Filliform papillae.

d. Fungiform papillae.

6 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Cilia

b. Fungi

c. Bacteria

d. Viruses

7 / 60

The most common malignancy found in the oral cavity is :

a. Transitional cell carcinoma

b. Basal cell carcinoma

c. Squamous cell carcinoma

d. Adenocarcinoma

8 / 60

Keratohyaline granules are found in?

a. Stratum granulosum

b. Stratum basale

c. Prickle cell layer

d. Stratum spinosum

9 / 60

Partially keratinized papilla is?

a. Circumvallate

b. Fungiform

c. Filliform

d. Foliate

10 / 60

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

a. Staphylococci

b. Diplococci

c. Streptococci

d. Bacilli

11 / 60

The sour taste come from:

a. Amino acids

b. Sodium chloride

c. All the answers in this question are incorrect

d. Citric acids

12 / 60

Those papillae of the tongue which are the largest, having many taste buds and are associated with the duct of Von Ebner’s gland are:

a. Folliate.

b. Fungiform.

c. Circumvallate.

d. Filliform.

13 / 60

The mucous membrane of cheek and lips?

a. All the answers in this question are incorrect

b. A and B are correct

c. It attached to buccinators muscle in cheek

d. It attached to orbicularis oris in lips

14 / 60

The mucogingival junction is the junction of:

a. Alveolar mucosa and attached gingiva.

b. Sulcular epithelium & free gingiva.

c. Palatine gingival & rougae zone.

d. Sulcular epithelium & free gingiva.

15 / 60

The sulcular epithelium:

a. Is keratinized.

b. Has thick epithelial layer.

c. Is nonkeratinized.

d. Has long epithelial ridges.

16 / 60

Keratohyalin granules are present in:

a. Granular layer and prickle cell layer

b. Cornified layer

c. Basal layer and prickle cell layer

d. Basement membrane

17 / 60

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

a. All the answers in this question are correct

b. A hard shell

c. A sticky top

d. Tiny hairs

18 / 60

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

a. Chorda tympani.

b. Facial nerve.

c. Glossopharyngeal nerve.

d. Trigeminal nerve.

19 / 60

Inflammation of the lips is refered to as?

a. Vincent angina

b. Glossitis migrican

c. Stomatitis

d. Cheilitis

20 / 60

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

a. Gingiva and alveolar mucosa

b. Hard and soft palate

c. Buccal and alveolar mucosa

d. Hard palate and gingiva

21 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Lining or granular

b. Simple or stratified

c. Squamous cuboidal or columnar

d. Keratinized or not keratinized

22 / 60

Which one of the following epithelium is least common?

a. Transitional

b. Stratified columnar

c. Pseudo stratified columnar ( ciliated )

d. Simple columnar

23 / 60

The total amount of saliva secreted by all the salivary glands about 5% is secreted by the:

a. All the answers in this question are incorrect

b. Sublingual gland

c. Parotid gland

d. Submandibular gland

24 / 60

Basement membrane?

a. Consists of lamina densa and lamina lucida

b. Consists of desmosomes and hemidesmosomes

c. Consists lurati hyaline granules

d. Contains lamina lucida and lamina dura

25 / 60

Glands emptying the circumvalate trough are the:

a. Glands of Nuhn.

b. Serous glands.

c. Mucous and serous mixed glands.

d. Mucous glands.

26 / 60

Stratum granulosum is not present in?

a. Non keratinized epithelium

b. Sulcular epithelium

c. Hyper parakeratosis

d. Hyper orthokeratosis

27 / 60

Hypertrophy គឺជា៖

a. Decrease in size of an organ

b. Increase in cell number of an organ

c. Increase in size of an organ

d. Decrease in cell number of an organ

28 / 60

The basket cells are also known as :

a. All the answers in this question are incorrect

b. Myoepithelial cells

c. Parenchymal cells

d. Endothelial cells

29 / 60

The three laterally paired major salivary glands are located :

a. In tongue

b. In neck

c. Extra orally

d. Intra orally

30 / 60

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

a. Hard palate.

b. Buccal mucosa.

c. Vestibular fornix.

d. Attached gingiva.

31 / 60

Merkel cells are found in which of the following tissue?

a. Reticular of dermis

b. Epidermis

c. Hypodermis

d. Papillary layer of dermis

32 / 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. In the ears

d. Under the tongue

33 / 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

34 / 60

Glands are classified based on?

a. Made of secretion

b. All the answers in this question are correct

c. Branching pattern of the ducts

d. Their secretory product

35 / 60

The thinnest epithelium of oral cavity is found in the?

a. Lingual gingiva

b. Buccal gingiva

c. Oral surface of lip

d. Sublingual mucosa (floor of mouth)

36 / 60

Diskeratosis គឺជាៈ

a. Abnormality of migration and cells mitosis.

b. Abnormality of orientation and cells mitosis.

c. Abnormality of orientation and development of epithelial cells.

d. Abnormality of structure and development of epithelial cells.

37 / 60

The buccal mucosa:

a. It is firmly attached to the underlying tissues.

b. Has a keratinized epithelium.

c. Has numerous connective tissue papillae.

d. Is continuous with the gingival mucosa.

38 / 60

The mode of attachment of the junctional epithelium is:

a. Basal lamina & hemidesmosome.

b. Enamel cuticle.

c. Odland's bodies.

d. Basement membrane.

39 / 60

Color of the normal gingiva is?

a. Red

b. Pink

c. Coral pink

d. All the answers in this question are incorrect

40 / 60

Granular cell myoblastoma of tongue is?

a. Lymphatic enlargement of the tongue

b. Developmental anomaly of the tongue.

c. Malignant tumor of the tongue

d. Benign tumor

41 / 60

In the tongue bitter taste is more perceived at?

a. Back

b. Tip

c. Sides

d. Front

42 / 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. Breathing mostly through the mouth, rather than through the nose

c. Ear infections that keep coming back

d. All the answers in this question are correct

e. Snoring during sleep

43 / 60

The oral mucosa ចែកចេញជា:

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

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

c. ពីរស្រទាប់ epithelium and connective tissue

d. បីស្រទាប់ epithelium, connective tissue and lamina propria

44 / 60

Which of the following mucosa has a nonkeratinized epithelium :

a. Free gingiva.

b. Attached gingiva.

c. Palatal mucosa.

d. Mucosa of the floor of the mouth.

45 / 60

Which papillae are completely keratinized?

a. Filliform

b. Circumvallate

c. Fungiform

d. Foliate

46 / 60

Most areas of oral mucosa are:

a. ParaKeratiniezd stratified epithelium

b. Keratiniezd stratified epithelium

c. OrthoKeratiniezd stratified epithelium

d. NonKeratiniezd stratified epithelium

47 / 60

Most cases of tonsillitis occur in which age group:

a. 11 to 21

b. 10 and under

c. 40 to 65

d. 21 to 40

48 / 60

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

a. Merkel cell.

b. Lymphocyte.

c. Melanocyte.

d. Langerhans cell.

49 / 60

Masticatory mucosa is?

a. Ortho keratinized

b. Non keratinized

c. Sub keratinized

d. Para keratinized

50 / 60

Atrophy គឺជា៖

a. Acute inflammation

b. Lack of oxygen for cells

c. Lack of nutrition for cells

d. Chronic inflammation

51 / 60

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

a. Follicular cyst

b. Ranula

c. Dentigerous cyst

d. Dermoid cyst

52 / 60

Myoepithelial cells are present in :

a. Intercalated duct and terminal duct

b. Serous cells

c. Mucous cells

d. Striate duct

53 / 60

Cornified layer មាននៅក្នុងៈ

a. Nonkeratinized epithelium

b. Orthokeratinized epithelium

c. Keratinized epithelium

d. Parakeratinized epithelium

54 / 60

Difference between the skin and mucosa of cheek is?

a. Thin lamina and non keratinized mucosa of cheek

b. Thick lamina propria on skin of cheek

c. Keratinized mucosa of cheek

d. Rete pegs

55 / 60

Basement membrane នៅចន្លោះ

a. Epithelium and submucosa

b. Epithelium and lamina propria

c. Lamina propria and submucosa

d. Epithelium and Bone

56 / 60

Stenon’s duct is of:

a. Sub-mandibular gland

b. Minor gland

c. Sub-lingual gland

d. Parotide gland

57 / 60

Atrophy is?

a. Acute inflammation

b. Lack of oxygen for cells

c. Chronic inflammation

d. Lack of nutrition for cells

58 / 60

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

a. Stratum granulosum.

b. The tonofilaments.

c. Basal cell layer.

d. Prickle cell layer.

59 / 60

Von Ebner’s salivary gland is:

a. Sub-mandibular gland

b. Sub-lingual gland

c. Minor gland

d. Parotide gland

60 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type III collagen

b. Type I collagen

c. Type I and II collagen

d. Type IV collagen

Your score is

The average score is 78%

Any comments?

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត