22. An oxygen cylinder should be taken out of service and refilled when the pressure inside it is less than:

20. Your protocols state that during the first few minutes of working on a cardiac arrest patient, you should provide passive ventilation. This means that you will:

13. An index of suspicion is MOST accurately defined as:

7. The ______ of a medication usually dictates the route by which it will be administered.

34. A 62-year-old man with a history of congestive heart failure presents with severe respiratory distress and with an oxygen saturation of 82%. When you auscultate his lungs, you hear widespread rales. He is conscious and alert, is able to follow simple commands, and can only speak in two- to three-word sentences at a time. You should:

26. Which of the following statements regarding oxygenation and ventilation is correct?

30. The MOST serious complication associated with using a nasopharyngeal airway in a patient with trauma to the head or face is:

31. A conscious and alert 29-year-old female with a history of asthma complains of difficulty breathing that began after her morning jog. The temperature outside is 40°F (5°C). On exam, you hear bilateral expiratory wheezing. After providing supplemental oxygen, you should:

40. Tidal volume is defined as the volume of air that:

36. Asthma is caused by a response of the: