In a normal $ECG$,a duration of $0.16$ seconds is called:

Blood pressure is directly proportional to the following $EXCEPT$ . . . . . . .

In a standard $ECG$,one of the following functions of its components is not correctly interpreted.

What are the systolic and diastolic blood pressures of a healthy adult human?

In a standard $ECG$,which one of the following alphabets is the correct representation of the respective activity of the human heart?

Arrange and select the following events in the correct sequence during the measurement of blood pressure by a sphygmomanometer.
$i.$ Pulsatile sound disappears.
$ii.$ Cuff is inflated to block the brachial artery by external pressure.
$iii.$ First pulsatile sound is heard indicating systolic pressure.
$iv.$ Pressure in the cuff is slowly lowered.
$v.$ Cuff is wrapped tightly around the upper arm.