Antidepressant therapy should not be used on a p.r.n. basis because:
a. undesirable side effects are more likely to occur.
b. it is difficult to achieve client cooperation when dosing is irregular.
c. therapeutic effects of therapy may not be evident for two to three weeks.
d. clients may not know when they are needed.
ANS: C
Feedback
A Incorrect: Both therapeutic and adverse effects will be later in coming.
B Incorrect: This is not the rationale for no p.r.n. dosing.
C Correct: P.R.N. dosing delays therapeutic effects.
D Incorrect: This is not the rationale for no p.r.n. dosing.
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