Cardiovascular System — Flashcards

Phase _____ of the SA node action potential is characterized by repolarization

_____ -soluble substances cross the membranes of capillary endothelial cells by pinocytosis

When resistances are arranged in _____, the total flow through each level of the system is the same

Capillary hydrostatic pressure (Pc) is highest at the _____ end of the capillary and lowest at the venous end

_____ and bradykinin are stimuli for NO production in endothelial cells.

A decreased blood volume (or venous tone) causes the cardiac output to _____ and right atrial pressure to decrease

Resistance is _____ proportional to the viscosity (η) of the blood

A positive inotropic agent causes the cardiac output to _____ and right atrial pressure to decrease

Phase 3 of the SA node action potential is caused by activation of _____ channels and inactivation of Ca2+ channels

A decrease in mean systemic pressure is reflected in a shift of the _____ function curve to the left