Which of the Following Statements Best Describes Assessment of Arousal

Multiple Choice

Which of the following statements best describes assessment of arousal?

A) It measures content of consciousness and is a higher-level function.
B) It is an evaluation of the reticular activating system and its connection with the thalamus and the cerebral cortex.
C) It becomes a valid parameter when the patient is able to respond to verbal stimuli, such as squeezing the hands on command.
D) Noxious stimuli are not to be used as an assessment parameter.