1. Explain why expiration is significantly impaired in patients with emphysema. 2.Explain why heart failure may develop in patients with emphysema. 3. Describe and explain the preferred position for...

1. Explain why expiration is significantly impaired in patients with emphysema.

2.Explain why heart failure may develop in patients with emphysema.

3. Describe and explain the preferred position for patient with COPD (e.g., one who is having dental treatment). Should the patient be relatively supine, upright, or otherwise positioned?

4.Describe the conditions predisposing to chronic bronchitis and relate them to the pathologic changes occurring in the lungs.