Fibrinogen is converted to the product of insoluble fibrin by the action of

The epicardium and parietal pericardium function to

If the end diastolic volume remains CONSTANT but the end systolic volume DECREASES, the

Which of the following will INCREASE blood flow through an arteriole into a capillary bed?

The plateau during a cardiac muscle action potential

Venous return to the heart is aided or promoted by

Which of the following is NOT true concerning hemostasis?

Vasodilation of most arterioles is controlled by

Which of the following is true during isovolumic contraction of the ventricles?

Deoxygenated blood (or poorly oxygenated blood) in the adult heart passes through the