mark wrote:
Quote:
234).CAUSES OF INCREASED PULMONARY VASCULAR RESISTANCE INCLUDE
a) hypoxia
b) voluntary hypeventilation
c) exercise
d) raised intrathoracic pressure
e) serotonin
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t f f t t
Hypoxia results in pulmonary vasoconstriction. Exercise decreases PVR due to recruitment and distension of capillaries. Serotonin increases PVR
Linear Mode
