NURSING EXAM QUESTIONS
PHARMACOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the abbreviation for as needed or when needed?
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a.n.
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r.x.
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p.p.n.
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p.r.n.
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Explanation:
Detailed explanation-1: -prn. abbreviation. as needed; as the circumstances require. used in writing prescriptions. Etymology.
Detailed explanation-2: -p.r.n.: Abbreviation meaning “when necessary” (from the Latin “pro re nata", for an occasion that has arisen, as circumstances require, as needed).
Detailed explanation-3: -The PRN prescription stands for ‘pro re nata, ‘ which means that the administration of medication is not scheduled. Instead, the prescription is taken as needed.
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