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Author Question: Which characteristics are associated with REM sleep? 1. Lower level tonic activity 2. ... (Read 19 times)

theo

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on: Jul 16, 2018
Which characteristics are associated with REM sleep?
 
  1. Lower level tonic activity
  2. High-voltage, low-frequency waves on an electroencephalogra m
  3. Absence of tonic activity on an electromyogram
  4. Often absent responsiveness to external stimuli
  a. 1 and 2 c. 1, 2, and 4
  b. 3 and 4 d. 2, 3, and 4

Question 2

Which of the following brain waveforms are present during wakefulness? 1. Alpha waves 2. Beta waves 3. Relatively low-voltage, mixed-frequency waves 4. Delta waves
 
  a. 1 and 2 c. 3 and 4
  b. 2 and 3 d. 1, 2, and 4


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alvinum

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
Absence of tonic activity on an electromyogram and an often absent responsiveness to external stimuli are associated with REM sleep. Lower level tonic activity on an electromyogram and high-voltage, low-frequency waves on an electroencephalogra m are indicative of non-REM sleep.

Answer to Question 2

ANS: A
An electroencephalogra m shows that alpha waves and beta waves are present during wakefulness and diminish as the sleeper's electroencephalogra m converts to relatively low-voltage, mixed-frequency waves. Delta waves are present during slow-wave sleep or the deepest stages of non-REM sleep.


theo

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Reply 2 on: Jul 16, 2018
Wow, this really help

sultansheikh

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Reply 3 on: Yesterday
:D TYSM

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