Which of the following is/are characteristics of most noninvasive ventilators? 1. Electrically powered 2. Blower driven 3. Microprocessor controlled 4. Double-circuit design
a. 1 only
b. 1, 2, and 3 only
c. 1, 2, 3, and 4
d. 1 and 4 only
ANS: B
Most noninvasive ventilators are electrically powered, blower driven, and microprocessor con-trolled (Figure 49-12).
Health Professions
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Answer the following statement true (T) or false (F)
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