The nurse is teaching a patient with chronic bronchitis about breathing exercises. Which of the following should the nurse include in the teaching?
A) Make inhalation longer than exhalation.
B) Exhale through an open mouth.
C) Use diaphragmatic breathing.
D) Use chest breathing.
Ans: C
Feedback: In chronic bronchitis, the diaphragm is flat and weak. Diaphragmatic breathing helps to strengthen the diaphragm and maximizes ventilation. Exhalation should be longer than inhalation to prevent collapse of the bronchioles. The patient with chronic bronchitis should exhale through pursed lips to prolong exhalation, keep the bronchioles from collapsing, and prevent air trapping. Diaphragmatic breathing, not chest breathing, increases lung expansion.
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