Carbon dioxide exchanged for oxygen in the alveolus in the lungs is an example of:

The efficiency of a bubble humidifier is affected by which of the following?

a. Gas flow rate c. Aerosol production b. Operating pressure d. Oxygen concentra-tion

On scene, you are treating a 62-year-old female patient with chest pain, diaphoresis, and nausea. She has a history of heart problems as well as diabetes, for which she takes medications. She is allergic to penicillin and iodine. She is alert, oriented, and calm, and there are no threats to the airway, breathing, or circulation. The patient took 81 mg of aspirin this morning, as she always does. Her vital signs are pulse, 100; respirations, 16 breaths/min; blood pressure, 118/90 mmHg; and SpO2, 97% on room air. In overseeing the care of this patient, which of these actions would demand immediate and corrective intervention?

A) Palpating the chest wall for tenderness B) Applying oxygen through a nasal cannula C) Determining the patient's blood glucose D) Administering three baby aspirins to the patient