Cardiovascular System — Flashcards

The integrity of the _____ reflex can be tested with the Valsalva maneuver

Electromechanical systole is the time interval between _____ wave and second heart sound.

In cardiac cells, the absolute refractory period begins with the _____ and ends after the plateau

The pulmonary circulation is normally characterized as a _____ resistance, high compliance system (low or high)

_____ splitting is heard in conditions that delay aortic valve closure

A _____ inotropic agent causes the cardiac function curve to shift downwards

Phase 1 of the myocardial action potential is caused by inactivation of voltage-gated _____ channels and opening of voltage-gated K+ channels

When a person moves from standing to supine position, the heart rate _____, due to activation of baroreceptor reflex

Atrial _____ is preceded by the P wave on ECG, which marks depolarization of the atria

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