Distribution of blood flow is mainly regulated by the________________?

Related Mcqs:

Absolute refractory period in heart______________?

A. Lasts till cardiac contraction B. Longer than refractory period in skeletal muscle C. A phase of cardiac cycle in which heart cannot be stimulated by any amount of stimulus D. Corresponds with duration of action potential E. All of the above...

Parasympathetic stimulation of heart causes______________?

A. SA node decreases firing B. Increased AV node excitability C. Decreased ventricular contraction D. Tachycardia...

The ventricular repolarization in ECG is best seen in_______________?

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

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...