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Which action is appropriate when preparing for an ankle-brachial index (ABI) and discovering that the patient smoked 5 minutes before coming for the test?
1. Conducting the test 2 hours later
2. Instructing the patient to lie in the supine position for 20 minutes
3. Using the Doppler probe to determine the patient's blood pressure
4. Placing the ankle cuff just above the malleoli with straight wrappin