Both the Electroencephalogram (EEG)monitor and the Bispectral Index Score (BIS)or

Both the electroencephalogram (EEG) monitor and the Bispectral Index Score (BIS) or Patient State Index (PSI) analyzer monitors are used to assess patient sedation levels in critically ill patients.The BIS and PSI monitors are simpler to use because they

A) can be used only on heavily sedated patients.
B) can be used only on pediatric patients.
C) provide raw EEG data and a numeric value.
D) require only five leads.