Dopaminergic D1 and D2 as well as adrenergic α and
β1, but not β2 receptors are activated by:
A. Dopamine
B. Dobutamine
C. Methoxamine
D. Phenylephrine
β1, but not β2 receptors are activated by:
A. Dopamine
B. Dobutamine
C. Methoxamine
D. Phenylephrine