The nurse has administered warfarin 2.5 mg orally daily for three days to a client who has deep vein thrombosis. The client's International Normalized Ratio (INR) today is 5.0. The nurse notifies the healthcare provider because today's dose of the medication should be:
Switched to heparin.
Given as prescribed.
Increased.
Held.
The Correct Answer is A
Choice A Reason:
Switching to heparin is not the standard response for a high INR. Heparin may be used in conjunction with warfarin when starting anticoagulation therapy, but it is not typically used as a substitute in response to an elevated INR.
Choice B Reason:
Giving the dose as prescribed would not be appropriate when the INR is significantly above the therapeutic range. Continuing the same dose could increase the risk of bleeding complications.
Choice C Reason:
Increasing the dose would be contraindicated as the INR is already too high. Increasing the warfarin dose would further elevate the INR and increase the risk of bleeding.
Choice D Reason:
Holding the dose is the correct action when the INR is significantly above the therapeutic range, which is generally between 2.0 to 3.0 for most indications. The healthcare provider should be notified, and the warfarin dose should be held until the INR returns to the therapeutic range. Vitamin K may also be administered to help lower the INR more quickly if necessary.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason
A creatinine level of 0.8 mg/dL falls within the normal range for adults, which is typically 0.6 to 1.2 mg/dL for males and 0.5 to 1.1 mg/dL for females. This indicates normal kidney function and is not a cause for immediate intervention post-operatively.
Choice B Reason
A potassium level of 4.2 mEq/L is within the normal range, which is generally between 3.6 and 5.2 mEq/L. This level indicates a stable electrolyte balance and is not a cause for immediate concern following shoulder replacement surgery.
Choice C Reason
A white blood cell (WBC) count of 9,000 mm³ is within the normal range, which typically spans from 4,500 to 11,000 WBCs per mm³. This suggests there is no active infection or inflammation that requires immediate intervention.
Choice D Reason
A hemoglobin level of 7.1 g/dL is considered low, as the normal range for adult males is generally 13.8 to 17.2 g/dL and for adult females is 12.1 to 15.1 g/dL. Low hemoglobin can indicate anemia, which may be due to blood loss during surgery or other underlying conditions. This requires immediate intervention to address potential oxygenation issues and determine the cause of the anemia.
Correct Answer is B
Explanation
Choice A reason:
Allowing the client some time alone could be beneficial in certain situations where the client prefers solitude to process their emotions. However, in the context of intimate partner abuse, leaving the client alone when they are visibly distressed may not provide the immediate support and safety they need.
Choice B reason:
Remaining with the client is crucial in providing emotional support and ensuring their safety. Victims of intimate partner abuse often feel isolated and scared; having a compassionate presence can offer comfort and reassurance. The nurse's presence can also help in assessing the client's immediate needs and risks, and in facilitating access to further support and resources.
Choice C reason:
Making an audio recording without the client's consent could be a violation of privacy and trust. It is essential to respect the client's autonomy and confidentiality, especially in sensitive situations involving abuse. The priority should be to address the client's emotional state and safety, not to gather evidence.
Choice D reason:
Encouraging the client to write down their thoughts can be a therapeutic tool and may be suggested as part of ongoing therapy or coping strategies. However, it should not be the first action taken when the client is in acute distress. Immediate emotional support and safety planning are more pressing concerns.
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