Which type of humidifier "traps" the patient's body heat and expire water vapor to raise the hu-midity of inspired gas?
a. Membrane
b. Bubble
c. Heat and moisture exchanger
d. Passover
ANS: C
Like the nose, a heat and moisture exchanger captures exhaled heat and moisture and uses it to heat and humidify the next inspiration.
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A 43-year-old female has accidentally taken too much of her antidepressant medication and is now confused. Emergency Medical Responders are on scene and providing the patient with high-concentration oxygen. As you arrive at the patient's side, your first action should be to:
A) obtain vital signs. B) perform a primary assessment. C) get a pulse oximeter reading. D) determine the type of medication taken.
Which of the following is NOT a characteristic of utilization of health care services?
A. Assessment often focuses on its predictors B. Is measured by demand for care C. When a patient is seriously ill and needs care in a timely fashion, cost becomes an issue. D. Sometimes the demand for care exceeds need.