Quiz 3 Flashcards
1
Q
Most of pulmonary blood volume is in
A
capillaries
2
Q
In pulmonary bed, Increase in arterial PCO2 causes what
A
vasoconstriction
3
Q
In systemic vascular bed, Increase in arterial PCO2 causes what
A
vasodilation
4
Q
What is role of sympathetic nervous system on pulmonary circulation
A
results in little change
5
Q
Elements of decompensation/ hypovolemic shock
A
- sludging
- liver failure allows endotoxins to enter circulation and vasodilate
- Kidney failure inhibits volume conservation
- metabolites build up and autotransfusion fails
6
Q
Exercise does what to sympathetic activity
A
increase