Field Internship Student Data Acquisition Project. (FISDAP) Airway Practice Exam

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What is an important first step in using a pulse oximeter?

  1. Connect to an oxygen tank

  2. Clean the patient’s finger

  3. Measure blood pressure

  4. Assess lung sounds

The correct answer is: Clean the patient’s finger

The initial step in using a pulse oximeter is to clean the patient’s finger. This is important because the accuracy of the readings can be affected by dirt, oil, or other substances on the skin. By cleaning the area where the pulse oximeter probe will be placed, you minimize the interference that could lead to inaccurate oxygen saturation readings. Maintaining proper hygiene not only aids in obtaining reliable data but also helps in reducing the risk of infection, especially if the patient has any skin abrasions or compromised areas. Therefore, preparing the site by cleaning it is foundational for effective use of the device.

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