Body Fluids and Circulation Question 66
66. In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?
(a) S - start of systole
(b) $T$ - end of diastole
(c) $P$ - depolarisation of the atria
(d) R - repolarisation of ventricles
Show Answer
Answer : c
Hints & Solutions
(c) In a standard ECG, the P-wave is a small upward wave that indicates the depolarisation of the atria. This is caused by the activation of SA node.
