MCQs

Medical MCQs with Explanations

Read every question, see the correct answer, and understand the explanation at your own pace. Study mode has no timer and no negative marking.

55%

2,820 of 5,101MCQs reviewed

Study Mode — explanations are always visiblePrefer a timed quiz? Start test

2821MedicalMedium

A dentist suffred from Hepatitis B infection 3 months back. His laboratory tests are normal but he is not allowed by the medical board to do surgical practice. He is________?

AInactive carrier

BHealthy carrier

CParadoxical carrier

DConvalscent carrier

Correct answer

D. Convalscent carrier

Explanation

The correct answer is Convalscent carrier.

2822MedicalMedium

All of the following are features of an injury to the cerival sympathetic trunk EXCEPT________?

AEnophthalmos

BMydriasis

CPtosis

DAnhydrosis

Correct answer

B. Mydriasis

Explanation

The correct answer is Mydriasis.

2823MedicalMedium

Infarction of anterior inferior cerebellar artery may cause damage to________?

ASpinal nucleus of trigeminal nerve

BVestibular nuclei

CLateal spinothalamic tract

DPyramidal tract

Correct answer

B. Vestibular nuclei

Explanation

The correct answer is Vestibular nuclei.

2824MedicalMedium

A flat, cricumscribed discolouration of skin or mucosa that may vary in size and shape is referred to as:________?

Apapule

BEpulits

CNodule

DMacule

Correct answer

D. Macule

Explanation

The correct answer is Macule.

2825MedicalMedium

Chemotactic cytokine is________?

AIL-6

BIL-1

CIL-8

DTNF

Correct answer

C. IL-8

Explanation

The correct answer is IL-8.

2826MedicalMedium

The deficiency of thiamine can be identified by measuring the red cell________?

ATransaldolase

BPyruvate dehydrogenase

CTransketaolase

DAlpha ketoglutarate dehydrogenase

Correct answer

C. Transketaolase

Explanation

The correct answer is Transketaolase.

2827MedicalMedium

Free radicals are chemical species which have________?

ASingle paired electron in an outer orbit

BSingle unpaired electron in an outer orbit

CDouble unpaired electron in an outer orbit

DDouble paired electron in an outer orbit

Correct answer

B. Single unpaired electron in an outer orbit

Explanation

The correct answer is Single unpaired electron in an outer orbit.

2828MedicalMedium

A 6 year old boy comes with abdominal pain, vomiting after consuming mild products within 6 hours. The most likely organism responsible is________?

ASalmonella

BB.Cereus

CStaph. aureus

DClostridium botulinum

Correct answer

C. Staph. aureus

Explanation

The correct answer is Staph. aureus.

2829MedicalMedium

Cementum is________?

AAvascular

BVascular

CNone of the above

DHas blood supply initially only

Correct answer

A. Avascular

Explanation

The correct answer is Avascular.

2830MedicalMedium

Sarcoma of the soft tissues spread by________?

ABlood vessels

BDirect invasion

CLymphatics

DLocal infiltration

Correct answer

A. Blood vessels

Explanation

The correct answer is Blood vessels.

Free radicals are chemical species which have________?

ASingle paired electron in an outer orbit

BSingle unpaired electron in an outer orbit

CDouble unpaired electron in an outer orbit

DDouble paired electron in an outer orbit

Correct answer

B. Single unpaired electron in an outer orbit

Explanation

The correct answer is Single unpaired electron in an outer orbit.