Which of the following are true about the FET?
1. It causes less bronchiolar collapse than traditional coughing.
2. It occurs from mid to low lung volume without glottis closure.
3. It has a period of diaphragmatic breathing and relaxation.
4. It occurs from mid to high lung volume without glottis closure.
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
ANS: B
The FET, or huff cough, consists of one or two forced expirations of middle to low lung volume without closure of the glottis, followed by a period of diaphragmatic breathing and relaxation. The goal of this method is to help clear secretions with less change in pleural pressure and less likelihood of bronchiolar collapse.
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