Proper instructions for positive expiratory pressure include…
Proper instructions for positive expiratory pressure include which of the following?1. Take in a breath that is larger than normal, but do not fill lungs completely.2. Exhale forcefully and maintain an expiratory pressure of 10 to 20 cm H2O until lung are completely empty.3. After 10 to 20 breaths, take two or three “huff”’ coughs, and rest as needed.4. Repeat the cycle 20 to 30 times, not to exceed 30 min.
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