The nurse is educating the family of a patient in the intensive care unit about the patient's cognitive status, including her current problem of delirium. Which statement by the family indicates a need for further education?
a. "The delirium can be caused by sensory overload."
b. "The delirium is reversible."
c. "The delirium is a mood disorder."
d. "The delirium is a state of confusion."
ANS: C
Delirium is a reversible state of acute confusion. It is characterized by a disturbance in consciousness or a change in cognition that develops over 1 to 2 days and is caused by a medical condition. Delirium may occur in intensive care patients as a result of sensory overload. It is not a mood disorder.
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