Anaesthesia General 5bd1099f Regarding Bispectral index monitor all are true except A Monitors depth of anaesthesia B Decrease the dose of agent once BIS value falls below 40 C Increase the dose of agent once BIS value falls below 40 D Increase the dose of agent once BIS value goes beyond 60 High-Yield Explanation Increasing BIS value suggests regaining consciousness, so need to increase the dose and vice versa (Target BIS value = 40–60).