A nurse is preparing to perform a 12-lead electrocardiogram (ECG). Which of the following instructions should the nurse provide to the client?
"I will be placing some electrodes on your chest and extremities."
"Be sure to remain still once I have attached the gel pads."
"You might feel some slight pressure during the procedure."
"The test will be complete in a few minutes."
The Correct Answer is A
Choice A reason : This instruction is accurate because for a standard 12-lead ECG, electrodes are placed on the patient's chest and extremities to record the electrical activity of the heart. The placement of these electrodes is crucial for accurate readings and diagnosis. The electrodes do not emit electricity; they merely record and measure the electrical activity in your heart, providing essential information to the medical provider.
Choice B reason : Remaining still during an ECG is important to prevent artifacts that can interfere with the interpretation of the heart's electrical activity. Movement can cause the readings to be inaccurate, which is why patients are advised to remain still once the electrodes are in place.
Choice C reason : While the client might feel some pressure from the electrodes, the term 'tingling' is not accurate as the ECG is a painless procedure. The electrodes may cause mild irritation upon the skin, but there is otherwise no sensation associated with the test itself.
Choice D reason : The duration of the test is indeed short, typically only a few minutes, but this is not the primary instruction. The nurse should first inform the client about the electrode placement, which is essential for the procedure. The ECG will only take a few minutes in total once the procedure is underway, not counting equipment set-up time.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason : The therapeutic INR range for a patient on Warfarin, especially for conditions such as atrial fibrillation, venous thromboembolism, and for the prevention of thrombosis in patients with prosthetic heart valves, is typically 2.0-3.0. This range balances the risk of clotting with the risk of bleeding. An INR of 2.0-3.0 means that the blood is taking twice to three times as long as normal blood to clot, which is the desired effect of the medication in preventing harmful clots.
Choice B reason : An INR range of 4.0-5.0 is generally considered too high for most therapeutic purposes and increases the risk of bleeding complications. This range might be appropriate in very specific clinical situations, such as for patients with mechanical heart valves who may require a slightly higher INR, but it is not the standard therapeutic range.
Choice C reason : An INR range of 1.0-2.0 is below the therapeutic range for patients on Warfarin. This range would not provide sufficient anticoagulation and would leave the patient at risk for thrombotic events.
Choice D reason : An INR range of 3.0-4.9 is higher than the standard therapeutic range and could lead to an increased risk of bleeding. While some patients with mechanical heart valves in the mitral position may require an INR up to 3.5, an INR higher than this is usually not necessary and could be dangerous.
Correct Answer is D
Explanation
Choice A reason : Applying ice to the extremity is not a standard intervention for DVT. Ice is typically used to reduce inflammation and pain, but in the case of DVT, the priority is to prevent the clot from growing and embolizing. The use of warmth, not cold, may be recommended to help reduce discomfort and swelling.
Choice B reason : Administering vasodilating medications is not a typical intervention for DVT. Vasodilators are used to widen blood vessels and improve blood flow, but they do not address the risk of clot formation or embolization associated with DVT. The mainstay of medical treatment for DVT is anticoagulant therapy, which helps to prevent further clotting.
Choice C reason : Restricting oral fluids is not an intervention for DVT. Adequate hydration is important in the management of DVT as it can help to prevent blood from thickening and reduce the risk of further clot formation. There is no indication to restrict fluids unless there is another underlying condition that requires it.
Choice D reason : Monitoring platelet levels is an important intervention in the care of a client with DVT, especially if they are receiving anticoagulant therapy. Anticoagulants can affect platelet function and count, and monitoring is necessary to ensure safe levels and prevent complications such as bleeding or thrombocytopenia.
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