Question

what is blood pressure?
the time it takes for the ventricles of the heart to relax after contraction
measurement of the volume of blood being pumped by the heart
the difference between the patients pulse and heartbeats
the force of blood against the artery walls

Explanation:

Blood pressure is defined as the force exerted by circulating blood on the walls of blood vessels, mainly arteries. The other options describe different physiological concepts such as ventricular relaxation time, cardiac output volume, and a non - existent relationship between pulse and heartbeats.

Answer:

D. The force of blood against the artery walls