The healthcare provider prescribes heparin 2500 units SUBQ twice daily (BID) for a client who recently had a myocardial infarction. The available vial is labeled. "Heparin 5,000 units/mL. How many mL should the nurse administer to this client? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.5"]
Desired dose = 2500 units
Available concentration = 5000 units/mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (units) / Available concentration (units/mL)
= 2500 units / 5000 units/mL
= 0.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["8"]
Explanation
Convert the prescribed dose to milligrams:
Prescribed daily dose = 150 mcg / 1000 mcg/mg
= 0.150 mg
Identify the strength of each available tablet:
Tablet strength = 0.075 mg/tablet
Calculate the number of tablets needed for one day:
Tablets per day = Prescribed daily dose / Tablet strength
= 0.150 mg / 0.075 mg/tablet
= 2 tablets
Calculate the number of days the remaining tablets will last:
Days remaining = Number of remaining tablets / Tablets per day
= 16 tablets / 2 tablets/day
= 8 days.
Correct Answer is ["104"]
Explanation
Total volume to be infused = 260 mL
Infusion time in hours = 2.5 hours
Calculate the infusion rate in mL per hour:
Infusion rate (mL/hour) = Total volume (mL) / Infusion time (hours)
= 260 mL / 2.5 hours
= 104 mL/hour
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