Alexander Is Hooked Up to an Electroencephalograph (EEG)in a Sleep

question 144

Multiple Choice

Alexander is hooked up to an electroencephalograph (EEG) in a sleep lab.As the researcher watches the printout from the EEG,theta waves appear.Based on this information,the researcher can conclude that Alexander

• A) has just entered Stage 3 sleep.
• B) is still awake, but is relaxed and drowsy.
• C) has just entered Stage 1 sleep.
• D) is currently in REM sleep.