Regulation of coronary circulation: (A) Autonomic, (B) Autoregulatory, (C) Hormonal, (D) Sympathetic
Answer is B. Ans. (b) AutoregulatoryRef: Ganong, 25th ed/p.612AutoregulationIt is the capacity of the tissue to regulate their blood flow - intrinsic basal myogenic toneLocal Metabolism is the primary controller of coronary flow - O2 demand is a major factorThis mechanism works well even when the nerves are removed