A nurse is preparing to administer heparin at 1,000 units/hr via continuous IV infusion to a client who had a coronary artery bypass graft. Available is heparin 25,000 units in dextrose 5% in water in 250 mL. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["10"]
ML
The formula to calculate the IV flow rate is:
mL/hr =
(Desired dose (units/hr)×Total volume (mL))/ Available dose
Substituting the given values:
(1,000×250)/25000
= 250,000/25,000
= 10ml/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. A client who has heart failure and received furosemide IV 8 hr ago:
Clients with heart failure require ongoing monitoring for fluid balance, electrolyte levels, and signs of worsening symptoms. IV furosemide indicates active treatment, so this client is not stable for discharge.
B. A client who was admitted 24 hr ago with chest pain:
A client with recent chest pain requires further evaluation for acute coronary syndrome (ACS). Even if pain has resolved, monitoring for cardiac events is essential. This client is not stable for discharge.
C. A client who had a seizure 48 hr ago and is on seizure precautions:
Recent seizures require continued monitoring to assess for recurrence, medication adjustments, and safety precautions. This client is not stable for discharge.
D. A client who is scheduled to have a colonoscopy in 12 hr:
A colonoscopy is an elective procedure and does not require hospitalization. This client is stable and can be discharged to free up resources for mass casualty victims.
Correct Answer is {"dropdown-group-1":"E","dropdown-group-2":"E"}
Explanation
The nurse should prepare to administer naloxone and oxygen by face mask 10 L/min.
Rationale:
- Naloxone is used to reverse opioid-induced respiratory depression, which is a potential risk during moderate sedation.
- Oxygen by face mask 10 L/min is necessary to maintain adequate oxygenation during and after sedation, as respiratory depression can occur.
- Acetaminophen is not used for immediate management of sedation-related complications.
- An additional dose of fentanyl or propofol would deepen sedation, not manage its complications.
- Propranolol is a beta-blocker that is not indicated in this situation.
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