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5198 Physiology

In a study to measure BP, two students Rakesh and Arif conduct a study on a dog. Rakesh measures BP using a mercury sphygmomanometer on the right femoral aery and Arif measures using a pressure transducer and pulse tracing on the left femoral aery. The mean aerial pressure for both Rakesh and Arif is the same i.e.100 mmHg. After 5 minutes of injection of adrenaline, Rakesh measures blood pressure 130 mmHg and Arif as 120 mmHg. The difference of 10 mmHg is explained by:

AFalsely high values at low pressure in pulse tracing
BFalsely high values at low pressure in pulse tracing
CFemoral aery is more sensitive to adrenaline on right side
DVentricular filling affects diastole period
Physiology
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