Which of the following statement is not true regarding dobutamine: (A) Agonist of D1 and D2 receptors, (B) Derivative of dopamine, (C) Selective beta-agonistic action, (D) Reduced chances of arrhythmia than adrenaline
Answer is A. Dobutamine is a derivative of D.A but not a D1 or D2 receptor agonist. It is a selective beta 1 agonist. It so less arrhythmogenic than adrenaline. From essential of medical pharmacology K D Tripati 7th edition Page no 134