Heparin is prescribed to run 800 units/hr. The medication is supplied as 25,000 units per 250 mL. At what rate should the nurse set the not use a trailing zero,do not use a leading zero Round to a whole number)
The Correct Answer is ["8"]
Determine the concentration: 25,000 units / 250 mL = 100 units/mL.
Calculate the mL/hr rate: 800 units/hr / 100 units/mL = 8 mL/hr.
Therefore, the nurse should set the pump to deliver 8 mL/hr.
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Related Questions
Correct Answer is ["50"]
Explanation
Calculate the total volume to be infused: 150 mL/hr.
Convert hours to minutes: 1 hour = 60 minutes.
Calculate the flow rate in mL/min: 150 mL/hr / 60 min/hr = 2.5 mL/min.
Apply the drop factor: 2.5 mL/min * 20 gtt/mL = 50 gtt/min.
Correct Answer is D
Explanation
A. Treat bacterial infections – Incorrect. N-acetylcysteine is not an antibiotic.
B. Promote coughing and clear secretions – Incorrect. This describes its use in cystic fibrosis as a mucolytic, not in acetaminophen toxicity.
C. Reduce pain and fever – Incorrect. Acetaminophen, not N-acetylcysteine, is used for pain and fever.
D. Prevent liver damage – Correct. N-acetylcysteine replenishes glutathione stores, which helps detoxify acetaminophen metabolites that cause hepatotoxicity.
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