Circulatory System MCQ Question with Answer

Circulatory System MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 15
The white pus of an infected part in the body is composed of

dead erythrocytes and plasma

dead leucocytes and blood serum

living leucocytes and serum

living erythrocytes and serum

Question No : 16
Urea is transported by

WBC

RBC

haemoglobin

blood and plasma

Question No : 17
Hamburger's phenomenon is also called

bicarbonate shift

chloride shift

sodium shift

none of these

Question No : 18
Impulses from the pacemaker initiate

the ventricles to contract

the auricles to contract

both (a) and (b)

the relaxation of heart

Question No : 19
Universal recipient is the person with the blood group

Question No : 20
If clumping occurs in a given sample of blood with 'both A and B serum, the blood group was

Question No : 21
The sympathetic nerve causes the heart rate to

increase

decrease

show no change

stroke volume increases

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