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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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Calcium channel blockers primarily decrease heart rate and contractility, not increase them.
B. While they can indirectly improve oxygen supply by reducing myocardial oxygen demand, they do not directly increase systemic oxygen.
C. This option accurately describes the mechanism of action of calcium channel blockers, which decrease heart contractility and conduction through the AV node, helping to manage dysrhythmias.
D. Calcium channel blockers do not act on beta cells; they specifically inhibit calcium influx into cardiac and vascular smooth muscle cells.
Correct Answer is {"A":{"answers":"C"},"B":{"answers":"A"},"C":{"answers":"B"},"D":{"answers":"D"}}
Explanation
Warfarin: Vitamin K is the primary reversal agent for anticoagulation with warfarin. It helps restore normal clotting factor production in the liver.
Heparin: Protamine sulfate is the specific reversal agent for heparin, neutralizing its anticoagulant effects.
Rivaroxaban: Andexanet alfa is a specific reversal agent for rivaroxaban and other Factor Xa inhibitors, reversing their anticoagulant effects.
Beta Blockers: While there is no specific reversal agent, glucagon can help increase heart rate and myocardial contractility in cases of beta-blocker overdose.
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