The strength of ventricular contraction ...

The strength of ventricular contraction increases when SAN is stimulated by

Vagus nerve

Parasympathetic nerve

Sympathetic nerve

All of these

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Ventricular contraction in command of :-

neural signals through parasympathetic neural signals (another comonent of ANS) can a. Increase the heart beat rate b. Decrease the heart beat rate c. increase the strength of ventricular contraction e. Increase cardiac output f. Decreases cardiac output

neural signal through autonommic nervous system (ANS) can a. Increase the heart beat rate b. Decrease the heart beat rate c. Increase the strength of ventricular contraction d. Decrease the speed of conduction of action potential e. Increase cardiac output f. Decrease cardiac output

Assertion : Neutral signals through sympathetic nerves can increase the strength of ventricular contraction Reason : Parasympathetic neutral signals synergistically act with sympathetic neutral signal to increase the cardiac output.

Assertion : Neural signals through the sympathetic nerves can increase the rate of heart beat, the strength fo ventriculrar contraction and thereby the cardiac output. Reason : Adrenal medullary hormones can increase the cardiac output.

Presence of which of the following hormones can increase the strength of ventricular contraction, a. Epinephrine, b. Acetylcholine, c. Nor adrenaline, d. Catecholamines

Vigrous contraction of uterus muscles is stimulated by :

The strength of a basic solution can be increased by

AAKASH INSTITUTE-BODY FLUIDS AND CIRCULATION-Assignment Section - B Objective Type Questions

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