Anaesthesia After hyperventilation for some time holding the breath is dangerous since A It can lead to CO2 narcosis B due to lack of stimulation by CO2, anoxia can go into dangerous level C I-0O2 shift 0 dissociation curve to left. D Alkalosis can lead to tetany π‘ Explanation After hyperventilation for some time holding the breath is dangerous since β Correct Answer: B. due to lack of stimulation by CO2, anoxia can go into dangerous level