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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Leaving medication at the client's bedside is unsafe as it can lead to medication errors, missed doses, or accidental ingestion.
B. Coming back in a few minutes to administer the medication respects the client’s therapy schedule and ensures the nurse can directly observe the client taking the medication, ensuring proper administration and adherence.
C. Preparing the medication in the medication room ahead of time can be efficient but doesn’t address the need to personally administer the medication and confirm the client takes it.
D. Documenting the medication was given without actually administering it is unethical and against best practices as it assumes the client will take the medication without verification.
Correct Answer is ["B","D"]
Explanation
A. Weekly laboratory tests for warfarin dosing are appropriate monitoring but do not indicate polypharmacy risk.
B. Using multiple pharmacies can increase the risk of drug interactions and duplications, indicating a higher risk of polypharmacy.
C. Allergies do not directly relate to polypharmacy.
D. Taking multiple medications for the same condition (e.g., hypertension) can increase the risk of drug interactions and adverse effects, indicating polypharmacy.
E. Having a family member assist with medication administration does not directly indicate polypharmacy risk.
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