Pulmonary Physiology Review

Question 1

What would happen if surfactant was washed out of the lung? Like in ARDS?

Answer 1

Compliance decreases and we see lower compliance curve

Question 2

Parasympathetic nerve stimulation produces bronchoconstriction, mediated by

Answer 2

M3 receptors

Question 3

Circulating catecholamines produce bronchodilation via

Answer 3

B2 receptors