Respiratory System Pulmonary Function Testing Question

Question

An RTT is giving a lecture to the ICU nurses on basic pulmonary function testing. Which of the following points need to made regarding restrictive lung disease?



A. It is characterized by reduced lung volumes on the PFT

B. It is always seen in obesity 

C. Expiratory flowrates are generally reduced 

D. Patient will generally exhibit a decrease frequency

Answer 1

Hi there, I would love to provide a broader perspective on the answer choices content :D

A: There are reduced lung volumes overall, as it is restrictive lung disease

B: Obesity is a spectrum from about 30 BMI and up. The restriction will vary with obesity

C: As the volumes are reduced but the musculature around usually are intact, the flow rates might actually increase

D: Decreased frequency of what??

Hope this helps