Upon assessment, the patient is breathing normally and has normal vesicular lung sounds. Which expected inspiratory-to-expiratory breath sounds will the nurse hear?
a. The expiration phase is longer than the inspiration phase.
b. The inspiratory phase lasts exactly as long as the expiratory phase.
c. The expiration phase is 2 times longer than the inspiration phase.
d. The inspiratory phase is 3 times longer than the expiratory phase.
ANS: D
Vesicular breath sounds are normal breath sounds; the inspiratory phase is 3 times longer than the expiratory phase. Bronchovesicular breath sounds have an inspiratory phase equal to the expiratory phase. Bronchial breath sounds have an expiration phase longer than the inspiration phase at a 3:2 ratio.
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