Exam 13: The Vascular System

In capillaries,osmosis is the process by which:

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

When vasodilation is needed to lower BP,the arteries receive:

In capillaries,diffusion is the process by which:

Arteries carry blood from the ____________________ to ____________________.

Venous return is the amount of blood that is returned to the ____________________.

An arterial anastomosis is important because it:

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

The purpose of pulmonary circulation is to:

Blood flows from the placenta to the fetus through the:

Which statement is NOT true of venous return?

In pulmonary capillaries,____________________ diffuses from blood to air,and ____________________ diffuses from air to blood.

In veins,the outer layer is thinner than in arteries because:

In fetal circulation,most blood bypasses the fetal lungs by way of the:

A diastolic BP value is the pressure when:

The fetal structure that permits blood to flow from the umbilical vein to the inferior vena cava is the:

Which statement is NOT true of fetal circulation?

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

In pulmonary circulation,blood is pumped to the lungs by the:

In capillaries,tissue fluid is brought back into the blood by the process of ____________________.