The nurse is giving vancomycin to a client and must hold the dose until the results of the trough level are known. This term is associated with the point at which the:
medication concentration is half of what it was when administered.
medication becomes toxic
blood serum drug concentration is lowest.
highest effective drug concentration in the blood is reached.
The Correct Answer is C
Choice A rationale: Medication concentration being half of what it was when administered is not the definition of the trough level.
Choice B rationale: Medication becoming toxic is not the definition of the trough level. Choice C rationale: Blood serum drug concentration being lowest is the correct definition of the trough level.
Choice D rationale: Highest effective drug concentration in the blood being reached is not the definition of the trough level.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","E"]
Explanation
Choice A rationale: Renal impairment can affect drug excretion and clearance, impacting pharmacokinetics.
Choice B rationale: Muscle sprain is not directly related to pharmacokinetics. Choice C rationale: Hearing impairment is not directly related to pharmacokinetics.
Choice D rationale: Vaginal infection may not have a direct impact on pharmacokinetics unless it is systemic.
Choice E rationale: Liver failure can affect drug metabolism, leading to altered pharmacokinetics.
Correct Answer is D
Explanation
Choice A rationale: "Macro" refers to large or long.
Choice B rationale: "Oligo" refers to few or deficient.
Choice C rationale: "Mono" refers to one or single.
Choice D rationale: "Pan" refers to all or every part, indicating a comprehensive set of cultures.
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