____ is generally a disease of the old and cigarette smokers.

As the therapist works with a mechanically ventilated patient, he notices that the ventilator is auto-triggering. What should the therapist do to eliminate this problem? I. Add water to the heated humidifier. II. Check the patient-ventilator system for leaks. III. Scrutinize the breathing circuit for the accumulation of condensate. IV. Ensure that the high-pressure alarm is appropriately set

A. I, II only B. II, III only C. I, III, IV only D, I, II, IV only

Select the form of hemoglobin that contains iron in the ferric rather than the ferrous state

a. Myoglobin b. Methemoglobin c. Deoxyhemoglobin d. Carboxyhemoglobin