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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Orthostatic hypotension:
Orthostatic hypotension is not a common adverse effect of pioglitazone. This condition is more associated with medications that affect blood pressure or volume.
B. Tinnitus:
Tinnitus (ringing in the ears) is not typically associated with pioglitazone. Adverse effects of pioglitazone are more related to its impact on glucose metabolism and other metabolic processes.
C. Fluid retention:
This is the correct answer. Fluid retention is a known adverse effect of pioglitazone. It can lead to edema, weight gain, and, in some cases, exacerbation of heart failure. Monitoring for signs of fluid retention is important during treatment with pioglitazone.
D. Insomnia:
Insomnia is not a common adverse effect of pioglitazone. Adverse effects are more related to metabolic processes, and sleep disturbances are not typically associated with this medication.
Correct Answer is B
Explanation
A. Bradycardia:
Bradycardia is not a typical manifestation of an allergic reaction. Allergic reactions are more likely to involve symptoms such as rash, itching, swelling, and cardiovascular symptoms like tachycardia rather than bradycardia.
B. Hypotension:
This is the correct answer. Hypotension (low blood pressure) can be a sign of an allergic reaction, particularly in severe cases. Anaphylaxis, a severe allergic reaction, can lead to a rapid drop in blood pressure.
C. Polyuria:
Polyuria, excessive urine production, is not a typical manifestation of an allergic reaction. Allergic reactions are more likely to involve skin, respiratory, and cardiovascular symptoms.
D. Nausea:
Nausea can be a side effect of medications, but it is not a specific manifestation of an allergic reaction. Allergic reactions are more likely to present with symptoms such as skin rash, itching, or respiratory distress.
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