A client with chronic obstructive pulmonary disease is admitted to an acute care facility because of an acute respiratory infection. When assessing the client's respiratory rate, the nurse notes an abnormal inspiratory-expiratory (I:E) ratio of 1:4. What is a normal I:E ratio?

a) 1:2
b) 2:1
c) 1:1
d) 2:2

Answer: a) 1:2

Health Professions

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