An elderly male patient who is short of breath is on home oxygen. He is wearing a nasal cannula connected to an oxygen tank with the flow regulator set to 3 liters per minute. As a knowledgeable EMT, you should recognize that the patient is getting approximately what percentage of oxygen with each breath?

Which of the following lists best represents the correct sequence for the passage of air into the lungs once it passes the pharynx?

a. Bronchi, larynx, trachea, cricoid b. Epiglottis, esophagus, trachea, alveoli c. Trachea, cricoid, bronchi, alveoli d. Larynx, trachea, bronchi, alveoli

Anemia is a disease, NOT a sign, but rather a disease

Indicate whether the statement is true or false