Question

The two primary factors that normally determine the level of blood pressure are:

A. the blood concentration of L-NMMA and norepinephrine.
B. the cardiac output and the resistance to blood flow.
C. the blood volume and the amount of L-arginine in the diet.
D. the heart rate (heartbeats/minute) and the cardiac stroke volume.

Answer 1

Answer:

B

Explanation:

B)the primary factors are cardiac output and resistance.

D)cardiac output=heart rate × stroke volume

A)noreepinephrine act on resistance and cardiac output.