A nurse is reviewing the laboratory results of a client who has atrial fibrillation and a prescription for warfarin. After informing the provider that the INR is 2.5, the nurse should expect which of the following prescriptions?
Withhold the medication.
Decrease the dose of the medication.
Increase the dose of the medication.
Administer the current dose of the medication.
The Correct Answer is D
A. Withhold the medication: An INR of 2.5 is generally within the therapeutic range for many conditions, including atrial fibrillation. Withholding the medication might lead to a decreased INR, potentially increasing the risk of clotting.
B. Decrease the dose of the medication: If the INR is above the therapeutic range (usually 2.0-3.0 for atrial fibrillation), the provider might consider decreasing the dose. However, an INR of 2.5 is within the typical therapeutic range, so a decrease in dose might not be warranted.
C. Increase the dose of the medication: An INR of 2.5 is generally within the therapeutic range for many conditions. Increasing the dose in this situation could elevate the INR further, potentially leading to an increased risk of bleeding.
D. Administer the current dose of the medication: Since the INR is within the therapeutic range, the nurse should expect the provider to maintain the current dose of warfarin. Adjustments to the dose might be considered if the INR deviates significantly from the target range.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["400"]
Explanation
Step 1: Determine the Total Volume Needed
- Supplied concentration: 300 mg/100 mL
- Prescribed dose: 300 mg
- Total volume needed = 100 mL
Step 2: Convert Time to Hours
- Prescribed infusion time = 15 minutes
- 15 minutes ÷ 60 minutes/hour = 0.25 hours
Step 3: Calculate the Infusion Rate (mL/hr)
- Infusion rate = Total volume (mL) ÷ Time (hours)
- Infusion rate = 100 mL ÷ 0.25 hours
- Infusion rate = 400 mL/hr
The nurse should set the IV pump to deliver cimetidine at 400 mL/hr (rounded to the nearest whole number).
Correct Answer is B
Explanation
A. "You will need to undergo tuberculin skin tests every 6 months while taking medication for your disease."
Tuberculin skin tests are typically used for screening and diagnosis, not for monitoring the effectiveness of tuberculosis treatment. Monitoring for treatment effectiveness involves assessing symptoms, sputum cultures, and other diagnostic tests.
B. "You will need to take two or more medications to treat your disease."
This is the correct answer. Tuberculosis is usually treated with a combination of antibiotics to prevent the development of drug resistance. Multidrug therapy is a standard approach to tuberculosis treatment.
C. "You should anticipate taking medication to treat your disease for at least the next 3 years."
The duration of tuberculosis treatment is generally shorter than 3 years. The standard treatment duration is typically 6 to 9 months, depending on the specific regimen used.
D. "You should report monthly to have your blood drawn to monitor kidney function while taking medication."
Monitoring kidney function is important for some medications, but it is not a standard monthly requirement for tuberculosis treatment. Monitoring typically involves assessing liver function, as certain tuberculosis medications can affect the liver.
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