NACE

Question 1

What important parameter of the lung can spirometry not tell you?

Answer 1

• Residual Volume

Question 2

How does increased compliance affect FRC?

Answer 2

• FRC increases - this doesn’t improve gas exchange in COPD

Question 3

What is the formula for compliance?

Answer 3

Volume/Pressure

Question 4

How do you DDx COPDs?

Answer 4

1. Response to Bronchodilators => Asthma
2. No Response => Emphysema or Chronic Bronchitis
3. Differentiate Emphysema and Chronic Bronchitis on the Basis of Reduced Diffusion capacity