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Medical MCQs with Explanations

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711MedicalMedium

The contact area on the distal surface of a maxillary first premolar should be placed in________?

AMiddle 3rd with facial embrasure greater than the lingual embrasure

BOcclusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure

CMiddle 3rd of proximal surface with lingual embrasure greater than the facial embrasure

DOcclusal 3rd of proximal surface with facial embrasure greater than lingual embrasure

Correct answer

C. Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure

Explanation

The correct answer is Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure.

712MedicalMedium

Which of the following is correct?

AReparative dentin is characterized by having fewer and more twisted tubules than normal dentin and may include odontoblasts

BAll of the above

CSclerotic transparent dentin appears transparent or light in transmitted light and dark in reflected light

DDead tracts appear black in transmitted and white in reflected ligth

Correct answer

B. All of the above

Explanation

The correct answer is All of the above.

713MedicalMedium

The base constituents of dental waxes come from three main sources except________?

AAnimal

BInsect

CVegetable

DMineral

Correct answer

A. Animal

Explanation

The correct answer is Animal.

714MedicalMedium

Gypsum is used for________?

ADie

BImpressions

CCasts and Dies

DCasts

Correct answer

C. Casts and Dies

Explanation

The correct answer is Casts and Dies.

715MedicalMedium

The region in which cementum formation is most rapid is________?

ACoronal

BApical

CMiddle

DInterradicular

Correct answer

C. Middle

Explanation

The correct answer is Middle.

716MedicalMedium

The oral findings in erythroblastosis fetalis include________?

AHypoplastic teeth

BDentinal dysplasia

CPigmented teeth

DAll of the above

Correct answer

C. Pigmented teeth

Explanation

The correct answer is Pigmented teeth.

717MedicalMedium

Which of the following statement about P24 antigen of HIV is Not True?

AVirus load parallel P24 titre

BIt can be detected during the window period

CIt remains during asymptomatic phase

DFree P24 antigen disappears after the appearance of IgM response to it:

Correct answer

C. It remains during asymptomatic phase

Explanation

The correct answer is It remains during asymptomatic phase.

718MedicalMedium

Kviem’s test is diagnostic test for________?

AActinomycosis

BTuberculosis

CDiphtheria

DSarcoidosis

Correct answer

D. Sarcoidosis

Explanation

The correct answer is Sarcoidosis.

719MedicalMedium

Following are the characteristics of Vincent’s angina EXCEPT________?

AA symbiotic infection

BCaused due to malnutrition

CCaused by leptospira interrogans

DUlcerative gingivostomatitis

Correct answer

C. Caused by leptospira interrogans

Explanation

The correct answer is Caused by leptospira interrogans.

720MedicalMedium

Most mucostatic among the following________?

AElastomer

BZOE paste

CAlginate

DImpression compound

Correct answer

B. ZOE paste

Explanation

The correct answer is ZOE paste.

The contact area on the distal surface of a maxillary first premolar should be placed in________?

AMiddle 3rd with facial embrasure greater than the lingual embrasure

BOcclusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure

CMiddle 3rd of proximal surface with lingual embrasure greater than the facial embrasure

DOcclusal 3rd of proximal surface with facial embrasure greater than lingual embrasure

Correct answer

C. Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure

Explanation

The correct answer is Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure.

Which of the following is correct?

AReparative dentin is characterized by having fewer and more twisted tubules than normal dentin and may include odontoblasts

BAll of the above

CSclerotic transparent dentin appears transparent or light in transmitted light and dark in reflected light

DDead tracts appear black in transmitted and white in reflected ligth

Correct answer

B. All of the above

Explanation

The correct answer is All of the above.

Which of the following statement about P24 antigen of HIV is Not True?

AVirus load parallel P24 titre

BIt can be detected during the window period

CIt remains during asymptomatic phase

DFree P24 antigen disappears after the appearance of IgM response to it:

Correct answer

C. It remains during asymptomatic phase

Explanation

The correct answer is It remains during asymptomatic phase.