Which of the Following Is/are TRUE of Postural Drainage

question 45

Multiple Choice

Which of the following is/are TRUE of postural drainage?
i.It is most effective in disorders causing excessive sputum.II.It is most effective in head-down positions greater than 25 degrees.III.It requires adequate systemic hydration to be effective.IV.It improves mucociliary clearance in normal subjects.V.It improves pulmonary function in stable chronic obstructive pulmonary disease patients.

• A)II and IV
• B)I, II, and III
• C)III and V
• D)I, II, and IV

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