1
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BSN 215 Dosage Calculation Questions
and Answers (100% Correct Answers)
Already Graded A+
A client with cardiogenic shock weighs 220 lb and is receiving
dopamine at the rate of 3 mcg/kg/minute. The solution strength
available is dopamine 400 mg in 250 ml of D5W. The nurse should
set the infusion pump to deliver how many ml/hour? (Enter
numeric value only. If rounding is required, round to the nearest
tenth.) [ ANS: ] 11.3
© 2025 Assignment Expert
First, convert pounds to kg
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220 lb : X = 2.2 lb : 1 kg
= 100 kg.
Next, calculate the dosage per minute,
3 mcg/kg/min x 100 kg
= 300 mcg/min.
3(100kg) =300
Convert mcg/min to mcg/hour
300 mcg/min x 60 min
=18,000 mcg/hour.
, 2
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Convert mcg/hr to mg/hour,
=18,000 mcg/hr
= 18.0 mg/hour.
Calculate the rate,
400 mg : 250 ml = 18 mg : X ml
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= 400 mg 18 mg
_____________ = ___________
250mL x mL
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=400X = 4500
X = 11.25
= 11.3 ml.
So, 18 mg/11.3 ml should be infused at 11.3 ml/hour.
A client with hypertension who weighs 72.4 kg is receiving an
infusion of nitroprusside (Nipride) 50 mg in D5W 250 ml at 75
ml/hour. How many mcg/kg/minute is the client receiving? (Enter
numeric value only. If rounding is required, round to the nearest
tenth.) [ ANS: ] 3.5
Calculate the mg/hour infusing,
50 mg : 250 ml = X : 75 ml
, 3
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=250X = 3750 and X = 15 mg/hour.
Next, convert mg/hr to mcg/hour
15 mg/hour = 1 mg / 1000 mcg = 15,000 mcg/hour
then divide by 60 min
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= 250 mcg/minute.
Lastly, 250 mcg/72.4 kg/min
= 3.45
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= 3.5 mcg/kg/minute.
A client who weighs 70 kg is receiving a dopamine solution of 800
mg/500 ml normal saline at 5 ml/hour. How many mcg/kg/minute
is the client receiving? (Enter numeric value only. If rounding is
required, round to the nearest tenth.) [ ANS: ] 1.9
To change ml/hour to mcg/kg/minute, use the formula: desired
rate (5 ml/hour) / volume available (500 ml) x dose available (800
mg)
= 8 mg/hour.
Next, convert milligrams/hour to mcg/kg/minute:
For Expert help and assignment solutions, +254707240657
BSN 215 Dosage Calculation Questions
and Answers (100% Correct Answers)
Already Graded A+
A client with cardiogenic shock weighs 220 lb and is receiving
dopamine at the rate of 3 mcg/kg/minute. The solution strength
available is dopamine 400 mg in 250 ml of D5W. The nurse should
set the infusion pump to deliver how many ml/hour? (Enter
numeric value only. If rounding is required, round to the nearest
tenth.) [ ANS: ] 11.3
© 2025 Assignment Expert
First, convert pounds to kg
Guru01 - Stuvia
220 lb : X = 2.2 lb : 1 kg
= 100 kg.
Next, calculate the dosage per minute,
3 mcg/kg/min x 100 kg
= 300 mcg/min.
3(100kg) =300
Convert mcg/min to mcg/hour
300 mcg/min x 60 min
=18,000 mcg/hour.
, 2
For Expert help and assignment solutions, +254707240657
Convert mcg/hr to mg/hour,
=18,000 mcg/hr
= 18.0 mg/hour.
Calculate the rate,
400 mg : 250 ml = 18 mg : X ml
© 2025 Assignment Expert
= 400 mg 18 mg
_____________ = ___________
250mL x mL
Guru01 - Stuvia
=400X = 4500
X = 11.25
= 11.3 ml.
So, 18 mg/11.3 ml should be infused at 11.3 ml/hour.
A client with hypertension who weighs 72.4 kg is receiving an
infusion of nitroprusside (Nipride) 50 mg in D5W 250 ml at 75
ml/hour. How many mcg/kg/minute is the client receiving? (Enter
numeric value only. If rounding is required, round to the nearest
tenth.) [ ANS: ] 3.5
Calculate the mg/hour infusing,
50 mg : 250 ml = X : 75 ml
, 3
For Expert help and assignment solutions, +254707240657
=250X = 3750 and X = 15 mg/hour.
Next, convert mg/hr to mcg/hour
15 mg/hour = 1 mg / 1000 mcg = 15,000 mcg/hour
then divide by 60 min
© 2025 Assignment Expert
= 250 mcg/minute.
Lastly, 250 mcg/72.4 kg/min
= 3.45
Guru01 - Stuvia
= 3.5 mcg/kg/minute.
A client who weighs 70 kg is receiving a dopamine solution of 800
mg/500 ml normal saline at 5 ml/hour. How many mcg/kg/minute
is the client receiving? (Enter numeric value only. If rounding is
required, round to the nearest tenth.) [ ANS: ] 1.9
To change ml/hour to mcg/kg/minute, use the formula: desired
rate (5 ml/hour) / volume available (500 ml) x dose available (800
mg)
= 8 mg/hour.
Next, convert milligrams/hour to mcg/kg/minute:
