A patient has full-thickness burns to the fronts of both legs and the entire left arm. Using the rule of nines, the EMT should estimate what percentage of the patient's body has been burned?

Which of the following techniques are used to measure residual volume? 1. Helium dilution 2. Body plethysmography 3. Nitrogen washout 4. Flow-volume loops

a. 2 and 4 only b. 1, 2, and 3 only c. 1, 2, 3, and 4 d. 1, 3, and 4 only

Name three ways in which an organization can minimize security risks to its information system