Give Nitroprusside 0.5 mcg/kg/min. The client weighs 176 lbs. The drug is available as 500mg in 500 mL of fluid. Calculate mcg/min, mcg/hr, and mL/hr. (Round your answer to the nearest tenth and include the units of measure.)
The Correct Answer is ["2.4"]
Rationale:
To calculate the dosage of Nitroprusside in mcg/min, first convert the client's weight from pounds to kilograms, knowing that 1 kg equals 2.2 lbs. Therefore, 176 lbs is approximately 80 kg. Next, multiply the client's weight in kg by the dosage rate: 0.5 mcg/kg/min. So, 80 kg * 0.5 mcg/kg/min equals 40 mcg/min. To find mcg/hr, multiply the mcg/min dosage by 60, the number of minutes in an hour, which gives us 2400 mcg/hr. Finally, to calculate mL/hr, use the concentration of the drug: 500 mg in 500 mL. Since 1 mg equals 1000 mcg, 500 mg is 500,000 mcg. Divide the hourly dosage in mcg by the total number of mcg in the available fluid to find the mL/hr. Thus, 2400 mcg/hr divided by (500,000 mcg / 500 mL) results in 2.4 mL/hr. Rounded to the nearest tenth, the final dosages are 40 mcg/min, 2400 mcg/hr, and 2.4 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Decreased urine osmolality is not consistent with SIADH; urine osmolality is typically increased due to concentrated urine.
B. Decreased serum osmolality is a hallmark of SIADH due to excess water retention diluting the serum.
C. Decreased urinary sodium is not typical in SIADH; urinary sodium is usually increased due to the excretion of concentrated urine.
D. Increased serum sodium is not consistent with SIADH; serum sodium is typically decreased due to dilutional hyponatremia.
Correct Answer is D
Explanation
. Increasing fluid intake would worsen fluid retention in SIADH.
B. A low-sodium diet is not indicated as it could exacerbate hyponatremia.
C. IV hypertonic saline is used in severe cases of hyponatremia but requires careful monitoring.
D. Restricting fluid intake is the primary intervention to prevent further dilution of sodium and manage SIADH effectively.
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