1. The physician orders a heparin drip to run at 1200 units per hour. The
pharmacy sends up and IV bag of 250ml of D5W with 25,000 units of
heparin added. How many milliliters per hour should be administered
to the patient?
2. The nurse practitioner orders an IV of D5RL to run at 75ml/hour. The
available IV tubing has a drip factor of 15gtts/ml. How many gtts per
minute should the nurse use to regulate the IV?
3. The nurse practitioner orders an IV of D5 to run at 60ml/hour. The
available IV tubing has a drip factor of 15ggts/ml. How many gtts per
minute should the nurse use to regulate the IV?
4. If the nurse hangs a liter bag of IV fluid at 7am (0700 hours), the
pump is set to 60ml/hr how much will be left in the bag when the
nurse changes shifts at 3pm (1500 hours)?
5. If the nurse hangs a liter bag of IV fluid at 7am (0700 hours) and it is
set at 80ml/hr, how much will be left in the bag when the nurse
changes shifts at 5pm (1700 hours)?
6. The prescriber orders 300mg of a medication to be administered to a
patient. The patient weighs 125 lbs. The safe dose of this medication
is 2mg/kg to 4mg/kg. Is the ordered dose safe?
7. The prescriber orders 200mg of a medication to be administered to a
patient. The patient weighs 150 lbs. The safe dose of this medication
is 2mg/kg to 5mg/kg. Is the ordered dose safe?
8. The prescriber orders 100mcg of a medication to be administered to
a patient. The patient weighs 125 lbs. The safe dose of this
medication is 2mcg/kg to 4mcg/kg. Is the ordered dose safe?
Answers
1. D/HxV : 1200units/25000unitsx 250ml= 12ml/hr
2. 75ml/hr x 1hr/60min x15 gtts/ml= 18.75 Round to whole number
19 gtts/min
3. 60 ml/hr x 1hr/60min x 15 gtts/ml= 15 gtts/min
4. 60 ml/hr x 8 hrs= 480ml; 1000ml-480= 520 ml lib
5. 80 ml/hr x 10 hrs= 800ml; 1000ml-800= 200 ml lib
6. 125lbs/2.2kg/lb=56.8 kg; 56.8kg x 2 mg/kg=113.6 mg;
56.8kg x 4 mg/kg=227.2mg ; safe range 113.6mg-227.2 mg- Not safe
7. 150 lbs/2.2kg/ls=68.2 kg; 68.2 kg x 2 mg/kg=136.4 mg
68.2 kg x 5mg/kg=341 mg- YES safe
8. 125ls/2.2kg/lbs= 56.8 kg; 56.8 kg x 2 mcg/kg= 113.6 mcg;
56.8kg x 4 mcg/kg= 227.4 mcg, not safe dose is too low.
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