The Science of Sleep

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Questions and Answers

During which stage of sleep does the body experience virtual paralysis?

  • REM sleep (correct)
  • Disorders of consciousness
  • Non-REM sleep
  • Coma

What distinguishes sleep from wakefulness in terms of reaction to stimuli?

  • Inhibition of sensory activity
  • Ability to react to stimuli (correct)
  • Decrease in muscle activity
  • Active brain patterns

What is the primary function of dreams during sleep?

  • To react to external stimuli
  • To restore the body's systems (correct)
  • To process emotions consciously
  • To experience involuntary sensations

Which state involves reduced mental and physical activity, altered consciousness, and inhibited sensory activity?

<p>Sleep (C)</p> Signup and view all the answers

What is the primary difference between sleep and a coma or disorders of consciousness?

<p>Active brain patterns (A)</p> Signup and view all the answers

What is the primary difference between REM and non-REM sleep?

<p>Muscle activity is decreased during non-REM sleep but virtual paralysis occurs during REM sleep (C)</p> Signup and view all the answers

What is the primary function of dreams during sleep?

<p>To provide a succession of images, ideas, emotions, and sensations involuntarily in the mind (E)</p> Signup and view all the answers

What is the state of most of the body's systems during sleep?

<p>Anabolic state, helping to restore the immune, nervous, skeletal, and muscular systems (C)</p> Signup and view all the answers

What distinguishes sleep from a coma or disorders of consciousness?

<p>Sleep involves active brain patterns, making it more reactive than a coma or disorders of consciousness (D)</p> Signup and view all the answers

What is the primary characteristic of REM sleep?

<p>Virtual paralysis of the body (A)</p> Signup and view all the answers

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