The blood pressure regulatory system that is labeled as a buffer system is: (A) Baroreceptor, (B) Chemoreceptor, (C) Kidney, (D) CNS ischemic response
Answer is A. Baroreceptor system opposes either increases or decreases in aerial pressure, it is called a pressure buffer system, and the nerves from the baroreceptors are called buffer nerves.Ref: Guyton and Hall textbook of medical physiology 13th edition. Page: 221