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Chapter 50: Noninvasive Ventilation Kacmarek: Egan’s Fundamentals of Respiratory Care, 12th Edition latest exam 2025
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---19October 20252025/2026A+
- 1.	Which of the following devices is considered to be the first electrically powered negative-pressure ventilator? 
a.	The Bird 
b.	The iron lung 
c.	The chest cuirass 
d.	The rocking bed 
ANS: B 
The first electrically powered, negative-pressure ventilator was known as the “iron lung.” 
DIF:	Recall	OBJ: 8 
 
2.	Why did the use of intermittent positive-pressure breathing decline in the 1980s? 
a.	Due to a lack of scientific evidence to support its use for delivering aerosolized medication 
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