The number of new cases of disease in a specified time (usually one year) divided by the population "at-risk" to develop the disease is known as ____.

A patient has been taking oral prednisone for 1 week following a severe episode of asthma. The physician decides to switch the patient to aerosolized beclomethasone (Qvar). What is the best way to accomplish this?

a. Stop the oral drug and begin the aerosol b. Begin the aerosol and gradually taper off of the oral dose c. Keep the patient on the full-strength oral dose, and add the aerosol as well for stronger results d. You cannot stop oral steroids once they are begun

The therapist is performing expired air resuscitation. During the procedure, she is concerned about the Vt she is delivering to the patient. What does the therapist need to do to in this situation?

A. Connect a respirometer to a resuscitation mask and periodically measure the patient's expired volume. B. Connect a respirometer to a manual resuscitator and periodically measure the patient's expired volume. C. Intermittently, collect the patient's expirate and run it through a respirometer. D. Observe the rise of the patient's chest wall while air is deposited into the patient's lungs.