A nurse is preparing to administer warfarin to a client who has chronic atrial fibrillation.Which of the following laboratory values should the nurse monitor prior to administering the medication?
Hct.
BUN.
LDL.
INR.
The Correct Answer is D
Choice A rationale
Hematocrit (Hct) levels are not directly influenced by warfarin therapy and are not necessary to monitor prior to administering the medication.
Choice B rationale
Blood Urea Nitrogen (BUN) levels measure kidney function and are not directly affected by warfarin therapy.
Choice C rationale
Low-Density Lipoprotein (LDL) levels measure cholesterol and are not affected by warfarin therapy.
Choice D rationale
International Normalized Ratio (INR) is the correct laboratory value to monitor prior to administering warfarin. It measures the effectiveness of anticoagulation therapy and helps to ensure the dosage is appropriate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Drinking water is allowed before the procedure, but all other food and drinks should be avoided.
Choice B rationale
A clear liquid diet for 1 to 3 days before the procedure helps to clear the intestines and ensure visibility during the colonoscopy.
Choice C rationale
Administering enemas 2 days before the procedure is not recommended. The focus is on dietary restrictions and prescribed laxatives.
Choice D rationale
The removal of polyps can often be done during the same colonoscopy procedure, avoiding the need for a separate procedure.
Correct Answer is A
Explanation
Choice A rationale
Ensuring the weights hang freely prevents interference with the traction, which helps maintain alignment and reduce pain.
Choice B rationale
Maintaining 6.8 kg (15 lb) of weight is not specific to skin traction and could be inappropriate, as the weight should be based on the physician's orders.
Choice C rationale
Loosening the ropes of the pulleys when repositioning the client can interfere with the effectiveness of the traction.
Choice D rationale
Inspecting the client's skin every 12 hours for signs of breakdown is not frequent enough; skin should be checked more often to prevent complications.
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