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

question 235

Multiple Choice

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

• A) is currently in REM sleep.
• B) has just entered Stage 2 sleep.
• C) has just entered Stage 1 sleep.
• D) is still awake, but is relaxed and drowsy.

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