Physiology In a patient with a transplanted heart which of these are the reasons for increased cardiac output during exercise A Reinnervation of transplanted heart by vagus B Intrinsic mechanism. C Epinephrine from medulla D Bainbridge reflex 💡 Explanation In a patient with a transplanted heart which of these are the reasons for increased cardiac output during exercise ✓ Correct Answer: C. Epinephrine from medulla