Which system can monitor the effects of anesthesia on the brain during a procedure?
a. DTS
b. IMV
c. BIS
d. GPS
ANS: C
The BIS (bispectral index) allows the anesthesia provider to accurately track the patient's level of consciousness by using an electrode applied to the patient's forehead that sends EEG-like signals to a small monitor. A reading of 100 means wide awake; 0 means absence of brain activity.
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