When the nurse practices the six rights of medication, what does it ensure?
Safe administration of medications
Informed consent for drug administration
Adequate information is given
Cost-effective use of medication
The Correct Answer is A
a) The six rights of medication administration—right patient, right medication, right dose, right route, right time, and right documentation—help ensure patient safety by reducing medication errors. This is a fundamental nursing practice to prevent adverse drug reactions, overdoses, or omissions.
b) Informed consent is important but is not directly related to the six rights of medication administration. It is typically obtained before administering high-risk medications or treatments.
c) While proper medication administration includes patient education, the six rights primarily focus on safety rather than the adequacy of information given.
d) The six rights do not focus on cost-effectiveness but rather on the accurate and safe administration of drugs.
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Correct Answer is D
Explanation
A. The ages and relationships of household members are subjective data because they are reported by the patient and not directly measured or observed.
B. Usual dietary patterns and intake are also subjective data, as they rely on patient self-reporting rather than measurable, verifiable findings.
C. A list of herbal supplements regularly used is subjective because it depends on the patient’s recall and self-reporting rather than objective measurement.
D. Lab values are considered objective data because they are measurable, verifiable, and obtained through diagnostic testing rather than patient self-reporting. Objective data are based on observable and quantifiable factors, making them more reliable for clinical decision-making.
Correct Answer is C
Explanation
A. The statement that no drug remains is incorrect. A drug with a half-life of 8 hours will not be completely eliminated in 24 hours, as it follows a predictable pattern of reduction.
B. A reduction to 50 mg would require additional half-life intervals beyond 24 hours. The drug concentration decreases by half every 8 hours, meaning it would take more than 24 hours to reach this level.
C. The correct calculation follows the half-life principle:
- At 8 hours: 800 mg → 400 mg
- At 16 hours: 400 mg → 200 mg
- At 24 hours: 200 mg → 100 mg
Therefore, 100 mg of the drug remains after 24 hours.
D. While 200 mg is a step in the process, it represents the amount remaining after only 16 hours, not the full 24-hour period.
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