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 ["A","E","F"]
Explanation
A. Close contact with an infected person increases the risk of transmission of meningitis.
B. Regular handwashing is a preventive measure, not a risk factor.
C. Immunization against meningococcal disease is a preventive measure, not a risk factor.
D. Consuming unpasteurized dairy products is more associated with listeriosis than meningitis.
E. Living in crowded conditions facilitates the spread of infectious agents causing meningitis.
F. Poor hygiene practices can increase the risk of contracting infections, including meningitis.
Correct Answer is C
Explanation
. Bounding peripheral pulses are not associated with diabetes insipidus.
B. Bradycardia is not a typical manifestation of diabetes insipidus.
C. Urine specific gravity 1.002 indicates very dilute urine, which is a hallmark of diabetes insipidus due to the kidneys' inability to concentrate urine.
D. Moist mucous membranes are not expected in diabetes insipidus; dehydration often leads to dry mucous membranes.
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