Oral Histology Test

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Oral Histology Test

1 / 60

The somatic nervous system is part of the:

a. Sympathetic nervous system

b. All the answers in this question are incorrect

c. Parasympathetic nervous system

d. Autonomic nervous system

2 / 60

Basement membrane នៅចន្លោះ

a. Lamina propria and submucosa

b. Epithelium and submucosa

c. Epithelium and Bone

d. Epithelium and lamina propria

3 / 60

Color of the normal gingiva is?

a. All the answers in this question are incorrect

b. Pink

c. Red

d. Coral pink

4 / 60

The most common benign tumor occurring in the oral cavity is the :

a. Fibroma

b. Adenoma

c. Papilloma

d. Hemangioma

5 / 60

Which of the following serves as a source of the cells which form the attachment epithelium?:

a. Dental sac.

b. Vestibular lamina.

c. Reduced enamel epithelium & gingiva.

d. Enamel cuticle.

6 / 60

Which of the following is purely mucous :

a. Glossopalatine glands

b. Posterior lingual mucous glands

c. Palatine glands

d. All the answers in this question are correct

7 / 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

8 / 60

Tongue papillae responsible for bitter taste sensation:

a. Fungiform papillae.

b. Circumvallate papillae.

c. Foliate papillae.

d. Filliform papillae.

9 / 60

Saliva is secreted by:

a. Major and minor salivary glands

b. Minor salivary glands

c. Major salivary glands

d. Parotid glands

10 / 60

Lamina densa of the gingival basement membrane is rich in?

a. Type I and II collagen

b. Type III collagen

c. Type I collagen

d. Type IV collagen

11 / 60

ទីតាំងរបស់ Palatine tonsil គឺៈ

a. នៅលើ Palate

b. នៅលើ Pharynx

c. នៅលើ Larynx

d. ចន្លោះ anterior pillar and posterior pillar

12 / 60

Taste buds មិនមាននៅក្នុង:

a. Fungiform papillae

b. Filiform papillae

c. Circumvallate papillae

d. Foliate papillae

13 / 60

Bartholin’s duct is the name of :

a. Sublingual duct

b. Lacrimal duct

c. Submandibular duct

d. Parotid duct

14 / 60

How are infections of the tonsils or adenoids usually treat:

a. Aspirin

b. Acetaminophen

c. All the answers in this question are incorrect

d. Antibiotic

15 / 60

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

a. Stratified squamous epithelium

b. Stratified cuboidal epithelium

c. Simple columnar epithelium

d. Simple squamous epithelium

16 / 60

Which of the following conditions present as complete vesicle?

a. Aphthous ulcer

b. Dermatitis

c. Pemphigus

d. Pyostomatitis

17 / 60

Buccal mucosa is?

a. Para keratinized

b. Non- keratinized

c. Keratinized

d. Ortho keratinized

18 / 60

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

a. 1st month

b. 2nd month

c. 4th month

d. 3rd month

19 / 60

Most areas of oral mucosa are:

a. ParaKeratiniezd stratified epithelium

b. Keratiniezd stratified epithelium

c. OrthoKeratiniezd stratified epithelium

d. NonKeratiniezd stratified epithelium

20 / 60

Keratohyaline granules are found in?

a. Stratum basale

b. Prickle cell layer

c. Stratum granulosum

d. Stratum spinosum

21 / 60

Which of the following is a wrong statement about the dentogingival junction:

a. Its epithelial cells are keratinized stratified squamous.

b. It shifts apically with age.

c. It has an epithelial and a connective tissue component.

d. Its coronal end corresponds to the bottom of the gingival sulcus.

22 / 60

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

a. Streptococci

b. Staphylococci

c. Bacilli

d. Diplococci

23 / 60

Keratohyalin granules are present in

a. Basement membrane

b. Granular layer and prickle cell layer

c. Basal layer and prickle cell layer

d. Cornified layer

24 / 60

The mucous membrane of cheek and lips?

a. It attached to orbicularis oris in lips

b. All the answers in this question are incorrect

c. A and B are correct

d. It attached to buccinators muscle in cheek

25 / 60

Parasites are types of:

a. Nonpathogenic bacteria

b. Disease

c. Pathogenic virus

d. Pathogenic bacteria

26 / 60

Sulcular epithelium is formed of:

a. Parakeratinized stratified squamous epithelium.

b. Columnar epithelium.

c. Nonkeratinized stratified squamous epithelium.

d. Orthokeratinized stratified squamous epithelium.

27 / 60

The mucosa of the dorsal surface of the tongue is:

a. Linning mucosa.

b. Spesialized mucosa.

c. Masticatory mucosa.

d. Smooth surface.

28 / 60

Granular cell tumors of the adult is commonly seen on?

a. Tongue

b. Lower lip

c. Upper lip

d. Gingiva

29 / 60

The sulcular epithelium:

a. Has thick epithelial layer.

b. Has long epithelial ridges.

c. Is nonkeratinized.

d. Is keratinized.

30 / 60

The tonsillar lymph node is situated at the level of?

a. Clavicle

b. Angle of the mandible

c. Vertebrae

d. Jugulodigastric crossing

31 / 60

Which of the following is not found in saliva :

a. Phosphate

b. Bicarbonate

c. Lysozyme

d. Triypsine

32 / 60

The immunoglobulin present in saliva is :

a. IgA

b. IgG

c. IgM

d. IgE

33 / 60

The parotid glands open through the :

a. Blandin’s duct

b. Stensen’s duct

c. Wharton’s duct

d. Bartholin’s duct

34 / 60

Merkel cells are found in which of the following tissue?

a. Hypodermis

b. Epidermis

c. Papillary layer of dermis

d. Reticular of dermis

35 / 60

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

a. Submandibular glands

b. Parotid glands

c. Sublingual glands

d. All the answers in this question are incorrect

36 / 60

The structure of the oral mucosa is:

a. Epithelium, lamina propria and muscular layer.

b. Mucosa & submucosa.

c. Epithelium, lamina propria and basement membrane.

d. Epithelium and basement membrane.

37 / 60

Striated duct is:

a. a duct from a submandibular gland

b. a duct from a salivery gland

c. a duct from a system duct

d. a duct from intercalated ducts

38 / 60

Diskeratosis គឺជាៈ

a. Abnormality of orientation and cells mitosis.

b. Abnormality of orientation and development of epithelial cells.

c. Abnormality of migration and cells mitosis.

d. Abnormality of structure and development of epithelial cells.

39 / 60

Labial and buccal miner salivary glands are:

a. All the answers in this question are incorrect

b. Mixed

c. Purely mucous

d. Purely serous

40 / 60

Non keratinized epithelium is found over?

a. Attached gingiva

b. Gingival sulcus

c. Interdental papilla

d. Free gingiva

41 / 60

Granular cell myoblastoma of tongue is?

a. Malignant tumor of the tongue

b. Lymphatic enlargement of the tongue

c. Developmental anomaly of the tongue.

d. Benign tumor

42 / 60

The most important indication of malignant lesion is?

a. Tooth resorption

b. Paresthesia

c. Teeth movement

d. Pain

43 / 60

Circumvallate papillae are supplied by?

a. Lingual nerve

b. Glossopharyngeal nerve

c. Vagus

d. Hypoglossal nerve

44 / 60

Facial artery is the branch of the:

a. Superficial temporal

b. External carotid artery

c. Internal carotid artery

45 / 60

There are————— taste buds ,most of them on the tongue:

a. 100,000

b. 10,000

c. 1,000

d. 100

46 / 60

Hyperkeratosis is:

a. Increase in longevity of keratin layer or stratum corneum

b. Increase in thickness of keratin layer or stratum corneum

c. Increase in wideness of keratin layer or stratum corneum

d. Increase in size of keratin layer or stratum corneum

47 / 60

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

a. Is impermeable to dyes and fluids.

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

c. Can migrate coronally.

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

48 / 60

Disease in plant or animal tissue is caused by:

a. Saprophytes

b. Pathogenic bacteria

c. Nonpathogenic bacteria

d. Acidophilus

49 / 60

Inflammation of the lips is refered to as?

a. Glossitis migrican

b. Cheilitis

c. Vincent angina

d. Stomatitis

50 / 60

Which these may be a symptom of tonsillitis:

a. Swollen lymph nodes in the neck

b. Fever

c. All the answers in this question are correct

d. Sore throat

e. Bad breath

51 / 60

Diskeratosis is?

a. Acute inflammation

b. Chronic inflammation

c. Precancerous state

d. Increasing in the number of cells

52 / 60

Keratinized epithelium differs from nonkeratinized epithelium in that:

a. Contain a higher glycogen content.

b. It does not contain basal lamina.

c. It contains granular cell layer.

d. No tonofilaments are found in it.

53 / 60

The broadest basis for classifying epithelium into subgroups is?

a. Squamous cuboidal or columnar

b. Keratinized or not keratinized

c. Simple or stratified

d. Lining or granular

54 / 60

When do tonsils or adenoids need to be removed:

a. All the answers in this question are incorrect

b. When a child is 10 years old

c. When a child is having learning problems

d. When a child is 5 years old

55 / 60

The onecelled microorganisms also known as germs or microbes are:

a. Bacteria

b. Fungi

c. Cilia

d. Viruses

56 / 60

Lumen is:

a. a central opening of a gland

b. a central opening of an oral cavity

c. a cental opening of an acini

d. a central opening of a tooth

57 / 60

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

a. Trigeminal nerve.

b. Facial nerve.

c. Chorda tympani.

d. Glossopharyngeal nerve.

58 / 60

Superficial layer មាននៅក្នុងៈ

a. Keratinized epithelium

b. Orthokeratinized epithelium

c. Parakeratinized epithelium

d. Nonkeratinized epithelium

59 / 60

Bulla

a. large lesion

b. Large vesicles that are confluent

c. Vesicle

d. large pustule

60 / 60

The humans, the lining epithelium of the esophagus is?

a. Stratified squamous, non-keratinized

b. Stratified squamous, keratinized

c. Transitional

d. Simple columnar

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត