Directions: Calculate each mathematical question using the appropriate equations for each.
Remember to add the correct metrics with your answer. Round to the nearest tenth (one
decimal place).
1. Order: Dobutamine 0.5
...
Directions: Calculate each mathematical question using the appropriate equations for each.
Remember to add the correct metrics with your answer. Round to the nearest tenth (one
decimal place).
1. Order: Dobutamine 0.5 mcg/kg/min. Continuous IV. Patient is 211.86 lbs. Supply is Dobutamine
concentration is 1mg/ml. How many mls/hr?
211.86lbs X
1kg
2.2lbs X
0.5mcg
1kg
1min
X
1mg
1,000mcg
X
1ml
1mg
X
60min
1hr =2.9ml/hr
2. Order start Dopamine 2 mcg/kg/min continuous IV and titrate until SBP is above 90 mmHg.
Patient is 174.9 lbs. Supply is Dopamine 200mg in 100 milliliters of 5% dextrose. How many
ml/hr do you start with? (round to the nearest whole number)
174.9lbs X
1kg
2.2lbs X
2mcg
1kg
1min
X
1mg
1,000mcg
X
100ml
200mg
X
60min
1hr =5ml/hr
3. The above order was titrated until the patient’s SBP was 90 mmHg. It is currently running at 8
ml/hr. How many mcg/kg/min is the patient receiving? (round to the nearest tenth)
8ml
1hr X
200mg
100ml X
1hr
60min
X
1000mcg
1mg
X
1
174.9 lbs X
2.2lbs
1 kg =3.4 mcg
kg
min
4. The physician orders heparin 5500 units subcutaneous for deep vein thrombosis
prevention. The medication is supplied in 10,000 units/mL. How many milliliters will the
nurse administer? ____________________
5,500 units∗1ml
10,000 ml =0.55ml
5. The physician orders heparin 3500 units subcutaneous daily postoperatively. The
medication is supplied in 5000 units/mL. How many milliliters will the nurse administer?
_________
3,500 units∗1ml
5,000unit
=0.7ml
6. The physician orders penicillin G procaine 600,000 units IM for syphilis. The medication
is supplied in 1,200,000 units/2 mL. How many milliliters will the nurse administer?
_________
600,000 units∗2ml
1,200,000 units
=1ml
7. The physician orders Epogen 4500 units subcutaneous for red blood cell production. The
medication is supplied in 4000 units/mL. How many milliliters will the nurse administer?
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