A nurse is assisting with teaching a class about pharmacodynamics. The nurse should include that which of the following medication levels occurs when a medication is at the lowest serum concentration?

Half-life

Peak

Trough

Тохіс

Answer and Explanation

The Correct Answer is C

A. Half-life refers to the time it takes for the concentration of the medication in the bloodstream to decrease by half, not the lowest serum concentration.
B. Peak refers to the highest concentration of the medication in the bloodstream after administration.
C. Trough is the lowest concentration of medication in the bloodstream, typically measured just before the next dose is due to ensure adequate drug levels.
D. Toxic level refers to a concentration at which the medication may cause adverse effects, not the lowest serum concentration.

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Correct Answer is D

Explanation

A. The route is not explicitly mentioned; "PO" (by mouth) indicates the route.
B. The medication "atorvastatin" is clearly stated.
C. The time/frequency "BID" (twice a day) is specified.
D. The dosage "80" is incomplete since it lacks the units. The nurse should clarify the exact dosage to ensure there is no misunderstanding.

A. At the end of her shift B. Before she enters the room to give the medications C. Immediately following administration of the medications D. Whenever she has time

Correct Answer is C

Explanation

A. Documenting at the end of the shift can lead to inaccuracies due to the delay, potentially causing errors if other staff need up-to-date information. It also increases the risk of forgetting details of the administration, compromising patient safety.
B. Documenting before administering the medications can lead to discrepancies if the medications are not given as planned. This practice could result in serious errors if the patient refuses the medication or if changes occur that affect administration.
C. Documenting immediately ensures that the record is accurate and reflects the current status of the patient’s medication regimen. It also allows other healthcare providers to see up-to-date information, which is crucial for ongoing patient care and safety.
D. Delaying documentation until a convenient time can lead to incomplete or forgotten details, increasing the risk of medication errors. Timely documentation is essential to maintain an accurate and reliable medical record.

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A nurse is assisting with teaching a class about pharmacodynamics. The nurse should include that which of the following medication levels occurs when a medication is at the lowest serum concentration?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is receiving a telephone prescription for a client and documents it as atorvastatin 80 PO BID. Which of the following elements should the nurse identify is missing from the prescription?

Correct Answer is D

Explanation

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Correct Answer is C

Explanation

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