A nurse is preparing to administer enoxaparin 0.75 mg/kg subcutaneously to a client who weighs 154 lb. The amount available is enoxaparin 60 mg/0.6 mL. How many mL should the nurse administer?(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.).
0.4 mL.
0.5 mL.
0.8 mL.
1.0 mL.
The Correct Answer is B
Let's break down the calculation:
Given:
- Patient weight: 154 lbs
- Enoxaparin dosage: 0.75 mg/kg
- Available enoxaparin: 60 mg/0.6 mL
Step 1: Convert pounds to kilograms:
- 1 lb is approximately 0.4536 kg
- So, 154 lbs = 154 * 0.4536 kg/lb = 69.85 kg (approximately 70 kg)
Step 2: Calculate the total dose of enoxaparin:
- Desired dose = 0.75 mg/kg * 70 kg = 52.5 mg
Step 3: Determine the volume to administer:
- We have enoxaparin 60 mg/0.6 mL
- To find the volume for 52.5 mg:
- (52.5 mg / 60 mg) * 0.6 mL = 0.525 mL
- Rounded to the nearest tenth, this is 0.5 mL.
Therefore, the nurse should administer 0.5 mL of enoxaparin
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Providing a continuous passive motion (CPM) device is not necessary for a client following a total hip arthroplasty. CPM devices are more commonly used after knee arthroplasty to improve joint mobility.
Choice B rationale:
Ensuring the client has an elevated toilet seat at home is important following a total hip arthroplasty. The elevated seat reduces the amount of hip flexion required during toileting, which helps prevent hip dislocation and strain on the surgical site.
Choice C rationale:
Providing a trapeze bar is not essential for a client following a total hip arthroplasty. Trapeze bars are typically used to assist with repositioning in bed for clients with limited mobility, but they are not specific to hip arthroplasty recovery.
Choice D rationale:
Providing a compression garment is not necessary after total hip arthroplasty. Compression garments are often used for conditions like venous insufficiency or to manage swelling, but they are not routinely used for hip arthroplasty recovery.
Correct Answer is D
Explanation
Choice A rationale:
Administering morphine intermittent IV bolus every 2 hours is not a suitable intervention for reducing the risk of atelectasis. While pain management is important postoperatively, morphine can depress respiratory function and increase the risk of atelectasis.
Choice B rationale:
Turning the client from side to side every 4 hours is important for preventing pressure ulcers and promoting comfort, but it is not a specific intervention for reducing the risk of atelectasis.
Choice C rationale:
Providing nasotracheal suctioning for 15 to 20 seconds at a time is not a preventive measure for atelectasis. Suctioning may be necessary for airway clearance in certain situations, but it does not address the root cause of atelectasis.
Choice D rationale:
This is the correct choice. Instructing the client to hold the inhaled breath for 2 to 5 seconds with incentive spirometer use is an effective intervention to reduce the risk of atelectasis. Incentive spirometry helps to expand the lungs and improve ventilation, preventing atelectasis after surgery.
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