Exam 13: The Vascular System

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

In the fetus, the foramen ovale permits blood to flow:

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

Capillaries carry blood from:

Which of these hormones does NOT have an effect on blood pressure?

Capillaries carry blood from ____________________ to ____________________.

Which of the following statements are true of the cardiac conduction pathway and electrical activity of the myocardium? (Read carefully and select all of the correct statements.)

Veins carry blood from:

Velocity of blood flow is inversely related to the:

Blood flows from the placenta to the fetus through the:

The large arteries have elastic connective tissue in their ____ layer, which is important to ____.

If the large arteries lose their elasticity, systolic BP will be:

Which of these is NOT true of a BP reading?

Following a small loss of blood, the arteries will:

The hormone that raises blood pressure by causing vasoconstriction throughout the body is ____________________.

Veins are able to constrict because of the ____________________ tissue in their walls.

When vasoconstriction is needed to raise BP, the arteries receive:

In capillaries, colloid osmotic pressure is created by the presence of ____________________ in the blood.

The function of valves in veins is to ____________________.

The hormone that lowers blood pressure by increasing the excretion of sodium and water by the kidneys is ____________________.