Cardio - Slides 38-53 Anatomy of Blood Vessels

True or False: Arteries carry blood to the heart.

• True

• False

Which of the following has thicker walls?

• Arteries

• Veins

• Capilaries

What is the name of the smooth muscle layer within the walls of arteries

• Tunica externa

• Tunica media

• Tunica intima

______ carry blood toward the heart.

Larger veins have valves to prevent _______

• Over flow

• Absorption

• Back flow

Which type of muscle activity enhances venous return?

• Cardiac

• Smooth

• Skeletal

Which of the following has transparent walls?

• Arteries

• Veins

• Capillaries

Which of the following has walls that are one cell layer thick?

• Arteries

• Veins

• Capillaries

The thin walls of capillaries allow for _______ of substances between the blood and cells.

Which of the following connects arterioles to venules?

• Arteries

• Veins

• Capillaries