Physiology Massage of the carotid sinus results in all of the following, EXCEPT: A Increased pressure at the carotid sinus baroreceptors B Decreased firing rate of the carotid sinus fibers C Decreased firing rate of cardiac sympathetic fibers D Increased firing rate of the vagus nerve 💡 Explanation Massage of the carotid sinus results in all of the following, EXCEPT: ✓ Correct Answer: B. Decreased firing rate of the carotid sinus fibers