All are endogenous catecholamines except ?: (A) Epinephrine, (B) Norepinephrine, (C) Dopamine, (D) Dobutamine
Answer is D. Ans. is 'd' i.e., Dobutamine Catecholamines Endogenous : -Adrenaline, noradrenaline, dopamine. Synthetic : - Isoprenaline, Dobutamine, Dopexamne, Fenoldopam, Dipivefrine, Ibopamine.