A client who was recently diagnosed with atrial fibrillation is receiving warfarin. To see the drug's effectiveness, which laboratory finding should the practical nurse (PN) review?
Complete blood count.
Serum troponin levels.
Creatinine clearance.
Prothrombin time (PT)
The Correct Answer is D
Choice A: A complete blood count (CBC) is important for monitoring various aspects of the blood, including the number of red blood cells, white blood cells, and platelets. While important for assessing overall health, a CBC is not the primary laboratory finding used to assess the effectiveness of warfarin in managing atrial fibrillation.
Choice B: Serum troponin levels are typically measured to assess cardiac muscle damage, such as in myocardial infarction (heart attack). They are not the primary indicator for assessing the effectiveness of warfarin in atrial fibrillation.
Choice C: Creatinine clearance is a measure of kidney function and is not the primary laboratory finding used to evaluate the effectiveness of warfarin.
Choice D: Prothrombin time (PT) is the most relevant laboratory finding for monitoring the effectiveness of warfarin in clients with atrial fibrillation. Warfarin's therapeutic effect is primarily assessed through PT measurements, with the goal of maintaining the client's international normalized ratio (INR) within a specific target range to prevent excessive bleeding or clotting.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A: Permethrin cream may cause temporary itching and skin irritation as it works to eliminate the scabies mites. Instructing the client to remove the cream immediately if pruritis occurs is not necessary; it is a common and expected side effect during treatment.
Choice B: Reapplication of permethrin is not typically done in seven days unless directed by the healthcare provider. A single application is often effective in treating scabies.
Choice C: Showering or bathing 8 to 14 hours after permethrin treatment is a common instruction to remove the cream and dead mites. This is an important part of the treatment process.
Choice D: Avoiding areas between fingers and toes during application is not necessary, as permethrin is generally safe for use on these areas. However, it should not be applied to the face or near the eyes.
Correct Answer is A
Explanation
Choice A: Keeping a record of food and drinks consumed daily, often referred to as food journaling or keeping a food diary, is a recommended initial approach to a weight loss plan. It helps clients become aware of their eating habits and can assist in identifying areas where dietary changes may be needed.
Choice B: Participating in a group exercise class 3 times a week is a beneficial component of a weight loss plan, but it is not specifically related to the initial approach to weight loss.
Choice C: Engaging in strenuous activity for an hour daily can be part of a weight loss plan, but it may not be the initial approach for everyone, especially if the client is not currently physically active. The initial approach often involves dietary changes and gradually increasing physical activity.
Choice D: Planning low carbohydrate and high protein meals can be a dietary strategy for weight loss, but it may not be the initial approach for all clients. Dietary recommendations should be individualized based on the client's preferences and needs.
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