To which of the following terms does this definition given below apply? "An acute, potentially reversible impairment of consciousness and cognitive function that waxes and wanes."
A. anxiety
B. delirium
C. agitation
D. torsades de pointes
?ANS: B
A. Incorrect response: Anxiety is a sustained state of apprehension in response to new or perceived threats.
B. Correct response: Delirium is an acute, potentially reversible impairment of consciousness and cognitive function that waxes and wanes.
C. Incorrect response: Agitation is excessive motor activity associated with internal tension.
D. Incorrect response: Torsades de pointes is a cardiac dysrhythmia that can be caused by neuroleptic medications. These drugs produce a dose-dependent Q-T interval prolongation.
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