Which of the Following Are the Major Vascular Factors That

Multiple Choice

Which of the following are the major vascular factors that determine venous return and cardiac output?
I.Right atrial pressure
II.Mean filling pressure of the systemic circulation
III.Vascular resistance to blood flow between the peripheral vessels and the right atrium
IV.Capillary pressure

A) I, II
B) III, IV
C) I, II, III, IV
D) I, II, III