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
Wave patterns of EEF, ECG and EMG are depicted below. The B pattern belongs to (Figure was not provided in the exam): 
Select and explain. 
A. NREM sleep, B. REM sleep, C. Wakefulness, D. Quiet wakefulness
C: Wakefulness
Answer: C: Wakefulness 
Explanation: Answer- C. WakefulnessBeta (B) Wave- Parietal and frontal region. Patients awake, at rest with eyes open.