A solution consisting of 143 mg of dopamine in 11 ml of solution is administered

Question

A solution consisting of 143 mg of dopamine in 11 ml of solution is administered at a rate of 4ml/hr. Complete parts (a) and (b) below. a. What is the flow rate in my of dopamine per hour? ___ml/hr( type an integer or decimal rounded to the nearest thousandth as needed.) b. If a patient is prescribed to receive 208 mg of dopamine, how long should the infusion last? __hour(s) ( type an interger or decimal rounded to the nearest thousandth as needed.) A solution consisting of 143 mg of dopamine in 11 ml of solution is administered at a rate of 4ml/hr. Complete parts (a) and (b) below. a. What is the flow rate in my of dopamine per hour? ___ml/hr( type an integer or decimal rounded to the nearest thousandth as needed.) b. If a patient is prescribed to receive 208 mg of dopamine, how long should the infusion last? __hour(s) ( type an interger or decimal rounded to the nearest thousandth as needed.) a. What is the flow rate in my of dopamine per hour? ___ml/hr( type an integer or decimal rounded to the nearest thousandth as needed.) b. If a patient is prescribed to receive 208 mg of dopamine, how long should the infusion last? __hour(s) ( type an interger or decimal rounded to the nearest thousandth as needed.)

Explanation / Answer

a. Concentration of dopamine in solution is

143 mg/11 ml=13 mg/ml

So flow rate of dopamine per hour is

13 mg/ml * 4 ml/hr=52 mg/hr

b.

Rate of dopamine injection is 52 mg/hr is 52 mg in 1 hour

So 208 mg is injected in 208/52=4 hours

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