Pressure on carotid sinus cause: (A) Hyperapnea, (B) Reflex bradycardia, (C) Tachycardia, (D) Dyspnea
Answer is B. Ans. (b) Reflex bradycardiaRef: Ganong, 25th ed/p.590The definition of Baroreflex is - "Whenever blood pressure increases, baroreceptors increase their discharge and send their impulse to medulla which ultimately decreases the blood pressure and decreases heart rate (reflex bradycardia)"