Ventricular muscle receives impulses directly from the_______________?

Related Mcqs:

Starling’s law of the heard________________?

A. Does not operate in the failing heart B. Does not operate during exercise C. Explains the increase in cardiac output that occurs when venous return is increased D. Explains the increase in cardiac output when the sympathetic nerves supplying the heart stimulated...

Increased functional demand on the heart produces increased size of the myocardium by _______________?

A. Hyperplasia B. Hypertrophy C. Fatty infiltration D. Increased amounts of fibrous connective tissue...

The dicrotic notch on the aortic pressure curve is caused by_________________?

A. Closure of the pulmonary valve B. Rapid filling of the left ventricle C. Closure of the aortic valve D. Contraction of the atria...

Cardiac index is related to ______________?

A. cardiac output and body weight B. Cardiac output and body surface area C. Cardiac output and work of the heart D. Stroke volume and pulse rate...

Stimulation of barorceptor leads to ________________?

A. Increased blood pressure, increased heart rate B. Decreased B.P , decreased heart rate C. Increased B.P, decreased heart rate D. Decreased B.P, increased heart rate...