Select the correct statement about factors that influence blood pressure.
A.an increase in cardiac output corresponds to a decrease in blood pressure, due to the increased delivery.
B.excess red cell production would be cause a blood pressure to increase.
C.excess protein production would decrease blood pressure.
D.systemic vasodilation would increase blood pressure, due to diversion of blood to essential areas.
The answer could be one or two or three or all of the above.