When assessing a healthy adult, the nurse would expect an inspiratory:expiratory (I:E) ratio of:
A) 1:2.
B) 1:3.
C) 1:4.
D) 1:5.
A) 1:2.
Explanation: A) For healthy individuals, the normal inspiratory to expiratory ratio (I:E ratio) is approximately 1:2, meaning that expiration takes approximately twice as long as inspiration. Individuals with an obstructive lung disease demonstrate a prolonged expiratory phase, with an I:E ratio of up to 1:5 or longer.
B) For healthy individuals, the normal inspiratory to expiratory ratio (I:E ratio) is approximately 1:2, meaning that expiration takes approximately twice as long as inspiration. Individuals with an obstructive lung disease demonstrate a prolonged expiratory phase, with an I:E ratio of up to 1:5 or longer.
C) For healthy individuals, the normal inspiratory to expiratory ratio (I:E ratio) is approximately 1:2, meaning that expiration takes approximately twice as long as inspiration. Individuals with an obstructive lung disease demonstrate a prolonged expiratory phase, with an I:E ratio of up to 1:5 or longer.
D) For healthy individuals, the normal inspiratory to expiratory ratio (I:E ratio) is approximately 1:2, meaning that expiration takes approximately twice as long as inspiration. Individuals with an obstructive lung disease demonstrate a prolonged expiratory phase, with an I:E ratio of up to 1:5 or longer.
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