A nurse is preparing to administer a continuous heparin infusion at 1600 units/hr. Available is heparin 25.000 units in dextrose 5% in water (DSW) 500 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 ["32"]
1. Determine the concentration of heparin in the solution:
- There are 25,000 units of heparin in 500 mL of D5W.
- Concentration = 25,000 units / 500 mL = 50 units/mL.
2. Calculate the required mL/hr for the desired infusion rate:
- The order is for 1600 units/hr.
- To find the mL/hr:
ML/HR=desired units/hr divided by unts/ml
=1600/50
=32ml/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
A. Instructing the client on the use of crutches is important but not the most crucial immediately postoperatively. Ensuring the client's neurovascular status is stable takes priority.
B. Directing the client to perform ankle and toe exercises is important for preventing complications like deep vein thrombosis (DVT) and maintaining joint mobility. However, it is not the most critical action in the immediate postoperative period.
C. Medicating the client for pain is essential for comfort and recovery, but it should be based on a pain assessment and should not take precedence over assessing neurovascular status.
D. Performing neurovascular checks of the extremities is the most crucial action in the postoperative period after orthopedic surgery. It helps to ensure there is adequate blood flow and nerve function to the affected limb, which is essential for preventing complications such as compartment syndrome or vascular compromise.
Correct Answer is C
Explanation
A. Delaying the surgery until a member of the client's family is reached may not be in the best interest of the client if urgent surgical intervention is indicated.
B. While naloxone can reverse the effects of opioids like morphine, it is not the primary action the neurosurgeon would take in this situation. The priority is addressing the urgent surgical need.
C. Invoking implied consent is the most appropriate action in this situation. Implied consent is assumed in emergency situations where the client is unable to provide consent, and delay would significantly jeopardize the client's health.
D. Asking the client to sign the surgical consent form would not be feasible in this situation since the client is likely not in a condition to provide informed consent due to the administration of intravenous morphine and the urgency of the surgical intervention.
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