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Author Question: Which of the following can impair mucociliary clearance in intubated patients? 1. Use of respiratory ... (Read 52 times)

folubunmi

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Which of the following can impair mucociliary clearance in intubated patients? 1. Use of respiratory stimulants 2. Tracheobronchial suctioning 3. Inadequate humidification 4. High inspired oxygen concentrations
 
  a. 1 and 3 only
  b. 1, 2, and 3 only
  c. 3 and 4 only
  d. 2, 3, and 4 only

Question 2

A patient with a neuromuscular disorder causing generalized muscle weakness is having difficul-ty developing an effective cough. Which of the following cough phases are primarily affected in this patient?
 
  a. Irritation
  b. Inspiration
  c. Compression
  d. Expulsion



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fdliggud

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Answer to Question 1

ANS: D
Although suctioning is used to aid secretion clearance, it too can cause damage to the airway mucosa and thus impair mucociliary transport. Inadequate humidification can cause inspissation of secretions, mucus plugging, and airway obstruction. High fractional inspired oxygen concen-trations (FiO2) can impair mucociliary clearance, either directly or by causing an acute tracheo-bronchitis.

Answer to Question 2

ANS: B





 

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