Which one of the following are the main functions of renin and angiotensin II:
A) blood pressure rises this causes vasoconstriction and further increases blood pressure
B) blood pressure rises this causes vasoconstriction and a decrease in blood pressure
C) blood pressure rises this causes vasodilation and a decrease in blood pressure
D) blood pressure falls this causes vasoconstriction and an increase in blood pressure
E) blood pressure falls this causes vasodilation and an increase in blood pressure
Answer: D