This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Alpha wave in EEG are seen in: March 2008 
Select and explain. 
A. Mental work, B. Awake state, C. Sleep, D. REM sleep
B: Awake state
Answer: B: Awake state 
Explanation: Ans. B: Awake state