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Medical MCQs with Explanations

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1MedicalMedium

Borrelia vincenti is always associated with________?

ASpirochaetes

BTreponema vincenti

CNone of the above

DFusiform bacilli

Correct answer

D. Fusiform bacilli

Explanation

The correct answer is Fusiform bacilli.

2MedicalMedium

Cardiac output in L/min divided by heart rate equals________?

ACardiac index

BMean arterial pressure

CCardiac efficiency

DMean stroke volume

Correct answer

D. Mean stroke volume

Explanation

The correct answer is Mean stroke volume.

3MedicalMedium

The lateral spread of dental caries is facilitated mostly by the________?

ADentinoenamel junction

BEnamel lamellae

CStriae of Retzius

DEnamel spindles

Correct answer

A. Dentinoenamel junction

Explanation

The correct answer is Dentinoenamel junction.

4MedicalMedium

The following site is the common involvement in case of Myositis ossificans________?

AHyoglossus

BMassetor

CLateral pterygoid

DStylohyoid

Correct answer

B. Massetor

Explanation

The correct answer is Massetor.

5MedicalMedium

During phagocytosis the metabolic process called respiratory burst involves activation of________?

ADehydrogenase

BPeroxidase

CHydrolase

DOxidase

Correct answer

D. Oxidase

Explanation

The correct answer is Oxidase.

6MedicalMedium

The enamel has no capacity of self repair because________?

AIt is essentially a keratin tissue and has no blood vessels

BIts formative cells are lost once it is completely formed

CIt has only a small percent of organic content

DIt has no direct connection with the active cells of the dental pulp

Correct answer

B. Its formative cells are lost once it is completely formed

Explanation

The correct answer is Its formative cells are lost once it is completely formed.

7MedicalMedium

Bowen’s disease is________?

AVesiculobullous lesion of skins

BIntro epithelial carcinoma

CBenign neoplasm of the G.I.T

DUlcerative lesion of G.I.T

Correct answer

B. Intro epithelial carcinoma

Explanation

The correct answer is Intro epithelial carcinoma.

8MedicalMedium

Cementum that forms in conjunction with root end formation and eruption________?

ANone of the above

BBoth of the above

CCellular cementum

DAcellular cementum

Correct answer

C. Cellular cementum

Explanation

The correct answer is Cellular cementum.

9MedicalMedium

If resin is packed in sandy stage what will be seen in the processed denture?

APorosity

BDistortion

CInhomogeneous colour

DIncreased strength

Correct answer

A. Porosity

Explanation

The correct answer is Porosity.

10MedicalMedium

Sphenopalatine ganglion does not supply________?

ASublingual gland

BB & C

CNasal mucosa

DCiliary ganglion

Correct answer

B. B & C

Explanation

The correct answer is B & C.

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