Which of the Following Are Necessary for Normal Airway Clearance

question 55

Multiple Choice

Which of the following are necessary for normal airway clearance?
1) Patent airway
2) Functional mucociliary escalator
3) Effective cough
4) Normal pulmonary compliance

• A)1 and 4 only
• B)1, 2, and 3 only
• C)2 and 3 only
• D)2 and 4 only

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