Conditions that can affect airway patency and cause abnormal clearance of secretions include which of the following? 1. Foreign bodies 2. Tumors 3. Inflammation 4. Bronchospasm
a. 1, 2, and 3 only
b. 2 and 4 only
c. 2, 3, and 4 only
d. 1, 2, 3, and 4
ANS: D
Examples include foreign bodies, tumors, and congenital or acquired thoracic anomalies such as kyphoscoliosis. Internal obstruction also can occur with mucus hypersecretion, inflammatory changes, or bronchospasm, further narrowing the lumen.
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What will be an ideal response?
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