You notice in drawing (retractions) of chest-wall muscle and tissue between the ribs, and above and below the sternum, all occurring during inspiration. Which of the following conclusions is most consistent with this observation?
a. Airway resistance (Raw) is decreased.
b. Lung compliance (CL) is decreased.
c. Work of breathing is decreased.
d. Chest-wall compliance is decreased.
ANS: B
Retractions indicate an increase in work of breathing, especially because of decreased pulmonary compliance.
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The resident has the right to free choice.
Answer the following statement true (T) or false (F)
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A. F08L5CZ B. F08L5BZ C. F08G5YZ D. F08G5BZ