Q4 of 42 Page 101

Cardiac activity could be moderated by the autonomous neural system. Tick the correct answer:

Neural signals obtained from sympathetic system stimulate heart rate and stroke volume.

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2

One of the common symptoms observed in people infected with Dengue fever is

 3

Which among the followings is correct during each cardiac cycle?

 5

Mark the pair of substances among the following which is essential for coagulation of blood.

 6

ECG depicts the depolarisation and repolarisation processes during the cardiac cycle. In the ECG of a normal healthy individual one of the following waves is not represented.