This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Dobutamine differs from dopamine in that 
Select and explain. 
A. It has good blood-brain barrier penetrability, B. It causes pronounced tachycardia, C. It does not activate adrenergic b receptors, D. It does not activate peripheral dopaminergic receptors
D: It does not activate peripheral dopaminergic receptors
Answer: D: It does not activate peripheral dopaminergic receptors 
Explanation: Dopamine (DA):- It is a dopaminergic (D1 and D2) as well as adrenergic a and b1 (but not b2) agonist. Dobutamine:- A derivative of DA, but not a D1 or D2 receptor agonist. Though it acts on both a and b adrenergic receptors. Ref:- kd tripathi; pg num:-134