Question
Biology Question on body fluids and circulation
Match the Column-1 with Column-II: Select the correct option from the following:
A
a ? ii, b ? i, c ? v, d ? iii
B
a ? ii, b ? iii, c ? v, d ? iv
C
a ? iv, b ? i, c ? ii, d ? iii
D
a ? iv, b ? i, c ? ii, d ? v
Answer
a ? iv, b ? i, c ? ii, d ? iii
Explanation
Solution
In ECG P-wave represents depolarisation of atria. QRS complex represents depolarisation of ventricles. T-wave represents repolarisation of ventricle i.e. return from excited to normal state. Reduction in the size of T-wave i.e. if the T-wave represents insufficient supply of oxygen i.e. coronary ischaemia.