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Administer a continuous Dopamine infusion at 3 mcg/kg/min. The drug is available as 600 mg in 1000 ml of fluid. The client's weight is 110 pounds. Calculate mcg/min, mcg/hr, and ml/hr. (Include unit of measure with each answer)
Answer and Explanation

The Correct Answer is ["0.25"]

Dopamine infusion calculation based on weight and concentration.

  • Dopamine dose ordered: 3 mcg/kg/min
  • Dopamine concentration: 600 mg in 1000 mL (or 600 mcg/mL)
  • Client's weight: 110 pounds (converted to kg: 110 lbs / 2.2 = 50 kg)

Calculations:

  • mcg/min = 3 mcg/kg/min × 50 kg = 150 mcg/min
  • mcg/hr = 150 mcg/min × 60 min/hr = 9000 mcg/hr
  • mL/hr = 150 mcg/min / 600 mcg/mL = 0.25 mL/hr

Answers:

  • mcg/min = 150 mcg/min
  • mcg/hr = 9000 mcg/hr
  • mL/hr = 0.25 mL/hr


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Related Questions

Correct Answer is A

Explanation

A. "You will need to use a bathroom separate from other household members." This prevents others from exposure to radioiodine through bodily fluids. Radioiodine is excreted primarily through urine and to a lesser extent through saliva and sweat, necessitating separate bathroom use to minimize radiation exposure to others.

B. "You will need to remain at the hospital for the entire time the radioiodine is radioactive." Most RAI treatments for hyperthyroidism are done on an outpatient basis.

C. "A low fiber diet will be necessary." Unrelated to radioiodine treatment. There is no specific dietary restriction related to fiber for RAI treatment.

D. "Additional Immunizations will be needed for full protection." Not relevant to radioiodine treatment. Radioiodine treatment does not require additional immunizations.

Correct Answer is ["20"]

Explanation

Heparin infusion calculation:

  • Heparin dose ordered: 1000 units per hour
  • Heparin concentration: 25,000 units in 500 mL
  • Conversion: 1 mL = 500 units

Calculations:

  • Units per hour = 1000 units
  • Units per mL = 25,000 units / 500 mL = 50 units/mL
  • mL per hour = 1000 units / 50 units/mL = 20 mL/hr

Answer: The IV pump should be set to 20 mL/hr.

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