Cardiovascular System — Flashcards

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

Information from the aortic arch baroreceptors is carried to the _____ via the vagus nerve

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

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

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

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

The effects of thromboxane A2 (TXA2) are increased platelet _____ and vasoconstriction

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

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

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