The physician orders Dopamine 2.5 mcg/kg/min. Available is Dopamine 200mg in 250 ml normal saline. The client's weight is 138.6 lbs. Calculate mcg/min, mcg/hr. and mL/hr
The Correct Answer is ["11.8"]
To calculate the dosage for Dopamine as per the physician's order, we first convert the client's weight from pounds to kilograms, knowing that 1 kg equals 2.2 lbs. The client weighs 138.6 lbs, which is approximately 62.9 kg (138.6 lbs / 2.2). Now, using the ordered dose of 2.5 mcg/kg/min, we multiply the client's weight in kg by the dose to find the mcg/min: 62.9 kg * 2.5 mcg/kg/min = 157.25 mcg/min. To find mcg/hr, we multiply this by 60 minutes: 157.25 mcg/min * 60 = 9435 mcg/hr.
Next, we need to calculate mL/hr. We have Dopamine 200 mg in 250 mL, which is 200,000 mcg in 250 mL since 1 mg equals 1000 mcg. This gives us a concentration of 800 mcg/mL (200,000 mcg / 250 mL). To find the mL/hr, we divide the mcg/hr by the concentration: 9435 mcg/hr / 800 mcg/mL = 11.8 mL/hr.
Rounding to the nearest tenth, the final dosages are:
mcg/min: 157.3 mcg/min
mcg/hr: 9435 mcg/hr
mL/hr: 11.8 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Limiting intake of potassium-rich foods is not recommended; clients with Cushing's disease often need to increase potassium intake due to hypokalemia.
B. Restricting sodium intake is important to help manage fluid retention and hypertension associated with Cushing's disease.
C. Increasing carbohydrate intake is not advisable as it can exacerbate hyperglycemia, a common issue in Cushing's disease.
D. Decreasing protein intake is not necessary; maintaining adequate protein intake is important for muscle mass and overall health.
Correct Answer is C
Explanation
A. Dilute urine is a primary symptom of DI but not a neurologic effect.
B. Hypotension is a cardiovascular effect of DI due to excessive fluid loss.
C. Ataxia, or lack of muscle coordination, can occur due to severe dehydration and electrolyte imbalances affecting the nervous system in DI.
D. Poor skin turgor indicates dehydration but is not a neurologic effect.
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