问题
单项选择题 A1/A2型题
正常成人睡眠脑电图，思睡期的低-中波幅θ活动的频率是（）。
A.1～3Hz
B.3～5Hz
C.5～7Hz
D.7～9Hz
E.9～11Hz
答案
参考答案：D
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正常成人睡眠脑电图，思睡期的低-中波幅θ活动的频率是（）。
A.1～3Hz
B.3～5Hz
C.5～7Hz
D.7～9Hz
E.9～11Hz
参考答案：D
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