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: A pureed regular diet may not provide enough nutritional support for a client who has lost 25% of their body weight and is experiencing stomatitis. This diet may not have the necessary nutrients to address the client's nutritional needs.
Choice B: A high protein soft diet may be appropriate for some clients, but it may still be challenging for a client with stomatitis to consume. Additionally, the focus should also be on providing adequate overall nutrition, not just protein.
Choice C: A mechanical soft diet is often recommended for clients with stomatitis because it provides foods that are easier to chew and swallow while still offering a variety of nutrients. It is a suitable option for clients who have difficulty eating due to oral mucositis (stomatitis).
Choice D: A low residue diet may not provide sufficient nutrients for a client who has lost 25% of their body weight and is experiencing difficulty eating due to stomatitis. This diet may be too restrictive for their nutritional needs.
Correct Answer is C
Explanation
Choice A: Changing the normal saline to a keep-open rate (KVO) is not appropriate in this situation, as the client has specific fluid orders that need to be followed, and a KVO rate would not provide the prescribed maintenance fluids.
Choice B: Increasing the rate of the present normal saline infusion to 75 drops per minute would not meet the prescription for 0.9% normal saline at 75 ml/hour.
Adjusting the rate this way would require an infusion pump.
Choice C: Leaving the normal saline at the current rate until an infusion pump is available is the most appropriate action. It ensures that the client continues to receive fluids at the ordered rate until the necessary equipment is in place.
Choice D: Switching the saline to Lactated Ringer's solution infusing at 75 drops per minute would not meet the prescribed rate for the normal saline solution. The nurse should follow the specific orders provided.
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