Normally, the rate of the heart beat in a human is determined by _________________?

Related Mcqs:

Conduction velocity is least in_______________?

A. AV node B. SA node C. SA node D. Purkinje fibers...

The ventricular repolarization in ECG is best seen in_______________?

A. “P” wave B. “Q” wave C. “R” wave D. “T” wave...

The largest function of the total peripheral resistance is due to _________________?

A. Venules B. Arterioles C. Capillaries D. Precapillary sphincters...

Isovolumetric relaxation ends immediately after________________?

A. AV Valve closes B. When ventricular pressure falls below aortic pressure C. When ventricular pressure falls below atrial pressure D. None of the above...

Heart muscle, true are all except_______________?

A. Act as syncytium B. Has multiple nuclei C. Has gap junctions D. Has branching...