In an otherwise healthy male with previously normal pulmonary and cardiac function, how much of the pulmonary vascular bed must usually be occluded to produce an unstable cardiovascular state (shock)?
A. 10%.
B. 20%.
C. 40%.
D. More than 50%.
Answer:D
In an otherwise healthy male with previously normal pulmonary and cardiac function, how much of the pulmonary vascular bed must usually be occluded to produce an unstable cardiovascular state (shock)?
A. 10%. B. 20%. C. 40%. D. More than 50%.