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Which of the following are necessary for normal airway clearance? Pick All that apply

Directed coughing is useful in helping to maintain airway clearance in which of the following cases?  Pick all that Apply

In assessing an adult ready for discharge home for airway clearance therapy, you notice the following: (1) no history of cystic fibrosis or bronchiectasis, (2) sputum production of 30 to 50 ml/day, (3) an effective cough, and (4) good hydration. Which of the following would you recommend?

Which of the following are considered airway clearance therapies?  Pick All that apply

Which of the following would indicate a successful outcome for postural drainage therapy? Pick all that apply

Indications for directed coughing include which of the following?  Pick all that Apply

Which of the following conditions impair secretion clearance by affecting the cough reflex?  Pick All that apply

Ideally, when should high-risk surgical patients be oriented (introduce) to incentive spirometry?

A metal surface has an adsorption site density of 10−6 mol/m². The Langmuir constant is K=5 L/mol. At a concentration of C=0.2 M, how many moles of adsorbate are present per square meter? 

Which of the following are true of postural drainage?  Pick all that Apply