Before administering an antibiotic that can cause nephrotoxicity, which laboratory value is most important for the practical nurse (PN) to review?
White blood cell count (WBC).
Serum creatinine.
Hemoglobin and Hematocrit.
Serum calcium
The Correct Answer is B
The correct answer is choice B, Serum creatinine. Choice A rationale:
The white blood cell count (WBC) is an important parameter for assessing the body's immune response to infections. While it can provide valuable information about the presence of an infection, it is not directly related to nephrotoxicity. Therefore, it is not the most important laboratory value to review before administering an antibiotic that can cause nephrotoxicity.
Choice B rationale:

Serum creatinine is a crucial laboratory value to assess kidney function. It is a waste product that is filtered by the kidneys, and its level in the blood is a reliable indicator of kidney function. If the serum creatinine level is elevated, it suggests impaired kidney function, which can be a warning sign of nephrotoxicity. Reviewing the serum creatinine level before administering nephrotoxic antibiotics is essential to ensure that the client's kidneys are functioning adequately and to avoid potential harm.
Choice C rationale:
Hemoglobin and hematocrit are indicators of the client's red blood cell count and blood's oxygen-carrying capacity. While these values can provide information about the client's overall health status, they are not directly related to nephrotoxicity. Therefore, they are not the most important laboratory values to review in this particular scenario.
Choice D rationale:
Serum calcium levels are essential for assessing bone health, nerve function, and muscle contractions. However, they are not directly related to nephrotoxicity, and reviewing serum calcium levels alone would not provide sufficient information about kidney function. Hence, it is not the most critical value to review before administering nephrotoxic antibiotics
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The correct answer is choice C. Consult with the client about the reasons for his refusal to be weighed.
Choice A rationale:
Including "Noncompliance”. as a priority problem in the client's plan of care assumes the client's refusal to be weighed is intentional and willfully disobedient. This may not be the case, and labeling the client as noncompliant could create a negative atmosphere, hindering effective communication and care.
Choice B rationale:
Advising the UAP to re-attempt the daily weight after the client eats breakfast does not address the underlying reason for the client's refusal. Additionally, there is no evidence suggesting that weighing the client after breakfast will improve the situation.
Choice C rationale:
Consulting with the client about the reasons for his refusal to be weighed is the most appropriate action. Open communication with the client can help identify any concerns or fears related to the weighing process. By understanding the client's perspective, the healthcare team can work together to find a solution that ensures the client's cooperation with the weight monitoring.
Choice D rationale:
Calculating the client's weight based on the 24-hour fluid intake and output is not a reliable method for obtaining an accurate weight measurement. Fluid volume overload can lead to fluid retention and may not accurately reflect the client's true weight.
Correct Answer is D
Explanation
d. Escort the client to a calm and quiet place.
The PN should use a calm and firm approach to de-escalate the situation and remove the client from the stressful environment. This can help prevent further agitation and potential violence.
The other options are not correct because:
- Instructing a UAP to stay with the client may not be effective or safe, as the UAP may not have the skills or training to handle an agitated client.
- Notifying the client's healthcare provider is not a priority action, as it does not address the immediate safety of the client and others.
- Administering a PRN medication for agitation may be indicated, but it is not the first action. The PN should try non- pharmacological interventions first, unless there is an imminent risk of harm.
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