CVS physiology practice quiz -round-2

during exercise a man consume 1.8l of oxygen per minute. His arterial oxygen content is 190ml/L ,and the oxygen content of his mixed venous blood is 134ml/L . His cardiac output is approximately?

• 3.2L/min

• 16L/min

• 160L/min

• 32L/min

Resting membrane potential of myocardial fibers

normal PR interval in ECG?

Auto regulation maintains a normal cerebral blood flow at arterial pressure range of ________mmHg

Conduction abnormality in Wolff Parkinson White Syndrome (WPW) mostly due to which ion channel problem?

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