Cardiovascular System — Flashcards

The influx of calcium during the plateau phase of a myocardial action potential triggers release of Ca2+ from the _____, causing myocyte contraction

_____ septal defect leads to an increased O2 saturation in the RV and pulmonary artery

An increased TPR causes the cardiac output to _____ and venous return to decrease

When Reynolds' number is _____, there is a greater tendency for turbulent blood flow

Depolarization proceeds from the _____cardium to the epicardium in an intact cardiac muscle.

_____ are a type of blood vessel with the highest resistance in the cardiovascular system

Primary hypertension is related to increased _____ and TPR

_____ is released from ventricular myocytes in response to increased tension

Inspiration delays closure of the _____ valve which causes splitting of the S2 heart sound

The third phase of Lewis' triple response is _____ which occurs due to local edema, secondary consequent extravasation of fluid