The nurse is caring for a client who is in heart failure and weighs 176 pounds.
The client is to receive prescribed dobutamine 10 mcg/kg/minute.
The nurse has available 1,000 mg in 250 mL of 0.9% normal saline.
How many mL per hour should the nurse administer to the client?
Round answer to a whole number.
The Correct Answer is ["12"]
Step 1 is to convert 176 pounds to kilograms. (176 ÷ 2.2) = 80 kg.
Step 2 is to calculate the drug dose. (10 mcg × 80 kg) ÷ 1000 = 0.8 mg/minute.
Step 3 is to find the hourly dose. (0.8 mg × 60 minutes) = 48 mg/hour.
Step 4 is to calculate mL/hour. (48 mg ÷ (1000 mg ÷ 250 mL)) = 12 mL/hour. The final calculated answer is 12 mL/hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Ecchymosis and wet purpura indicate abnormal bleeding tendencies often observed in platelet defects. While these findings are relevant, they are secondary to identifying medications that could exacerbate platelet dysfunction. Medication history directly influences the management plan by addressing reversible causes of thrombocytopenia, emphasizing its priority over descriptive bleeding symptoms.
Choice B rationale
Upcoming dental or invasive procedures are relevant to thrombocytopenia risks due to potential bleeding complications. However, these appointments do not provide immediate insight into causative factors of the platelet defect. Determining medication use offers direct information regarding drug-related impacts on platelet function, prioritizing it for management and diagnostic purposes over procedural risks.
Choice C rationale
Over-the-counter and prescription medication use are critical to evaluate because certain drugs can induce or worsen platelet defects. For example, NSAIDs like aspirin inhibit platelet aggregation and contribute to bleeding risks. Establishing this information helps guide management by identifying reversible causes and reducing complications associated with defective platelet function.
Choice D rationale
Family and genetic history offer valuable insights into inherited platelet disorders but are less immediately actionable for addressing acute platelet defects. Medications causing or contributing to thrombocytopenia present modifiable factors, prioritizing their identification over hereditary predispositions. Addressing medication-induced platelet dysfunction provides practical management strategies for preventing bleeding complications. .
Correct Answer is C
Explanation
Choice A rationale
Hemorrhage is not a typical complication of extracorporeal shock wave lithotripsy (ESWL), as it is a non-invasive procedure targeting kidney stones using shock waves. The risk of significant bleeding is minimal, and monitoring focuses more on urinary changes or localized pain rather than hemorrhage.
Choice B rationale
ESWL does not involve surgical incisions, so there is no incision site to monitor for infection. This action is irrelevant to the procedure's mechanism, which uses external shock waves to fragment stones rather than invasive surgical methods.
Choice C rationale
Sand or gravel in the urine is a common finding after ESWL as the procedure fragments kidney stones into smaller particles. These fragments are excreted through the urinary system. Monitoring urine for these particles helps evaluate the procedure's effectiveness and ensure stones are adequately eliminated.
Choice D rationale
Percutaneous nephrostomy tubes are used for urinary drainage but are not a standard component of ESWL. Monitoring for tube obstruction applies to invasive procedures, whereas ESWL focuses on non-invasive stone fragmentation. This action is unrelated to the client's current treatment modality. .
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