Exam 13: The Vascular System

When venous return increases, the heart contracts more forcefully. This is called:

The hormone that raises blood pressure by increasing the reabsorption of water by the kidneys is:

The skeletal muscle pump is an important mechanism for venous return in the:

The hormone that raises blood pressure by increasing heart rate and force of contraction is ____________________.

In fetal circulation, blood flows from the fetus to the placenta through the ____________________.

Arteries carry blood from:

The function of valves in veins is to:

Which of the following statements are true of hepatic portal circulation? (Read carefully and select all of the correct statements.)

During exercise, blood flow to the heart will ____________________, and blood flow to the skeletal muscles will ____________________.

The layer of the wall of an artery that helps prevent rupture is the ____________________.

In veins, backflow of blood is prevented by ____________________.

Which vein is NOT paired with the part of the body it drains of blood?

The elasticity of the large arteries permits them to ____________________ during left ventricular diastole and thereby to ____________________ diastolic BP.

Which of the following statements are true of coronary circulation? (Read carefully and select all of the correct statements.)

Which of the following statements are true of the cardiac cycle? (Read carefully and select all of the correct statements.)

The layer in the wall of an artery that helps maintain blood pressure is the:

A venous anastomosis provides an alternate pathway for blood to flow back to the ____________________.

To maintain blood pressure, the normal state of arteries and veins is:

A venous anastomosis is important because it:

The nerves to the smooth muscle of all arteries and veins are ____________________ nerves.