Physiology True about peripheral chemoreceptors – A Most potent stimulus is high arterial PCO2 B Stimulation cause tachycardia and vasoconstriction C Afferent from carotid bodies pass through vagus nerve D Alkalosis stimulates peripheral chemoreceptors π‘ Explanation True about peripheral chemoreceptors - β Correct Answer: B. Stimulation cause tachycardia and vasoconstriction