Cardiovascular System — Flashcards

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

The property of elastic recoil is called _____ effect and is seen in large elastic vessels

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

Phase 2 of the myocardial action potential (plateau) is caused by a balance of _____ efflux and Ca2+ influx through voltage-gated channels

Bradykinin causes arteriolar _____ and venous constriction

Activation of _____ adrenergic receptors on the SA node causes increased heart rate

Closure of the ductus arteriosus occurs in response to increased _____ and decreased PGE (from respiration and placental separation, respectively)

ECF volume _____ produces a(n) decrease in capillary hydrostatic pressure (Pc)

AV shunts _____ preload and decrease afterload