A nurse prepares to administer vancomycin 15 mg/kg/day divided equally every 12 hr. The client weighs 198 lb. How many mg should the nurse administer with each dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["675"]
To calculate the dosage of vancomycin, we first convert the client's weight from pounds to kilograms, knowing that 1 kilogram is approximately 2.2 pounds. The client weighs 198 pounds, which is equivalent to about 90 kilograms (198 lb / 2.2). The prescribed dose is 15 mg/kg/day, so for a 90 kg individual, this would be 1350 mg/day (15 mg/kg * 90 kg). Since the dose is divided equally every 12 hours, the nurse would administer half of the daily dose every 12 hours, resulting in 675 mg per dose (1350 mg/day / 2). Therefore, the nurse should administer 675 mg of vancomycin with each dose.
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Correct Answer is D
Explanation
A. While aspirin has anti-inflammatory properties, this is not the primary reason it is prescribed after an MI.
B. Aspirin does not primarily function as an anti-pyretic in this context; its use is focused on cardiovascular benefits.
C. Aspirin does not have antiemetic properties and is not indicated for nausea control.
D. Inhibiting platelet aggregation is the key therapeutic effect of aspirin in preventing further clot formation, which is critical following an MI to reduce the risk of subsequent cardiovascular events.
Correct Answer is C
Explanation
A. Lung function tests are not relevant to atorvastatin therapy; they are more commonly associated with medications affecting the respiratory system.
B. Platelet counts are not routinely monitored for patients on atorvastatin unless there are specific concerns related to bleeding or clotting.
C. Liver function tests are critical for patients on atorvastatin because the medication can cause liver enzyme elevations, indicating potential hepatotoxicity. Routine monitoring ensures early detection of any liver complications.
D. Hemoglobin levels are not specifically related to atorvastatin use and are generally monitored in contexts involving anemia or bleeding.
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