The physician orders mefoxin (Cefoxitin) 800 mg IV Q 8 hours. To reconstitute the medications the instructions state to add 7.5 mL of NSS for a total of 8 mL with each mL containing 250 mg. How many millilitres will be given?
The Correct Answer is ["3.2"]
The correct answer is 3.2 mL
Explanation:
Step 1 is identify the total dose ordered
800 mg
Step 2 is identify the concentration after reconstitution
Each mL contains 250 mg
Step 3 is divide the total dose by the concentration per mL
(800 ÷ 250) = 3.2
Result = 3.2 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Insight into mental health problems varies individually and is not a defining feature of voluntary versus involuntary commitment. Both types of patients may lack insight, especially in severe mental illness, making this statement inaccurate as a legal or procedural distinction between commitment types.
Choice B reason: Involuntary commitment, under laws like a 302, restricts a client’s ability to initiate discharge due to assessed danger to self or others. Voluntary clients can request discharge, though medical advice may apply. This legal distinction defines the difference, making it the correct answer.
Choice C reason: Involuntary clients cannot universally refuse treatment, as court-ordered interventions may apply in cases of imminent danger. Both voluntary and involuntary clients have rights to refuse non-emergent treatment, but this is not the primary legal distinction between commitment types, making this option incorrect.
Choice D reason: Aggression is not a defining characteristic of voluntary commitment. Both voluntary and involuntary clients may exhibit aggression, depending on their mental health condition. The distinction lies in legal control over discharge, not behavior, making this statement inaccurate for defining commitment types.
Correct Answer is D
Explanation
Choice A reason: Improved nutritional status could cause weight gain but is unlikely in AKI with minimal urine output. AKI patients often have anorexia or dietary restrictions, and weight gain from nutrition would not align with oliguria, which suggests fluid retention rather than increased tissue mass from improved nutrition.
Choice B reason: A 3-pound weight gain in 48 hours with minimal urine output is clinically significant in AKI, indicating fluid retention. Normal weight fluctuations are minimal, and this rapid gain, coupled with oliguria, suggests impaired kidney function, potentially leading to fluid overload complications like hypertension or pulmonary edema.
Choice C reason: Early AKI recovery involves increased urine output (diuresis phase), not minimal output. Weight gain with oliguria indicates ongoing kidney dysfunction, not recovery. Recovery would show improved glomerular filtration and urine production, reducing fluid retention, making this finding inconsistent with AKI recovery.
Choice D reason: In AKI, minimal urine output (oliguria) reflects impaired kidney filtration, leading to fluid retention. A 3-pound weight gain in 48 hours corresponds to approximately 1.5 liters of fluid, indicating fluid overload. This can cause hypertension, pulmonary edema, or heart failure, making fluid retention the most likely explanation.
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