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Questions and Answers
Which part of the brain is the main regulator of circadian rhythm?
Which part of the brain is the main regulator of circadian rhythm?
- Pineal gland
- Reticular activating system
- Supra-chiasmatic nucleus (correct)
- Hypothalamus
What are the two types of sleep?
What are the two types of sleep?
- Light sleep and deep sleep
- Dreamless sleep and dreamful sleep (correct)
- NREM sleep and REM sleep
- Slow-wave sleep and REM sleep
What physiological changes occur during sleep?
What physiological changes occur during sleep?
- Pulse rate and blood pressure increase
- Threshold for pain is raised
- Urine volume and salivary secretions increase
- Volume and rate of respiration decrease (correct)
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