levels of consciousness

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8 Terms

1
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conscious

awake, alert, aware, responding appropriately

2
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unconscious

unaware and unable to respond to stimuli

3
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lethargy

lowered level of consciousness marked by listlessness, drowsiness, and apathy

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stupor

unresponsive, arouses only briefly despite repeated attempts

5
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syncope

  • brief loss of consciousness due to decreased blood flow to the brain

  • fainting

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coma

  • a deep state of unconsciousness

  • no spontaneous eye movements or response to painful stimuli or speech

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persistent vegetative state

  • alternating sleep-wake cycles

  • person remains unconscious

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delirium

acute confusion, disorientation, disordered thinking or memory, agitation, and hallucinations