The three stages of infectious disease transmission include: 1) exposure; 2) infection; and 3) death.

On scene, you are treating a 62-year-old female with chest pain, diaphoresis, and nausea. She states 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. She took 81 mg of aspirin this morning as she always does. Her

vital signs are: pulse 100, respirations 16, blood pressure 118/90, and SpO2 97% on room air. In overseeing the care of this patient, which of the following 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 aspirin to the patient

Which of the following statements BEST describes how to prevent scattering of lightweight fuels?

A. Wind may be used to allow the agent to reach the fuel surface. B. First allow fuel to burn off vapors before applying agent to the fuel surface. C. Apply the agent from point where it reaches, but does not disturb, the fuel surface. D. Use two extinguishers, alternating application patterns, to apply agent to the fuel surface.