Exam 14: The Cardiovascular System

Contraction of a heart chamber is called

The majority of exchange of gases and nutrients between blood and tissue takes place at the __ level.

The pulmonary circulation begins when deoxygenated blood passes through the __ into the pulmonary circulation.

Which one of the following arteries is most commonly used to check the pulse on a horse?

What type of muscle is found in the middle layer of a muscular artery's wall?

The type of blood vessel that usually carries oxygenated blood away from the heart is a/an

Chordae tendineae are found in the

The interventricular septum is a continuation of the

The two ions that are responsible for the initial depolarization of cardiac muscle as they travel from the outside of a muscle cell to the inside of the cell are

Tricuspid valve stenosis results when the tricuspid valve

Which type of blood vessel has one-way valves in its lumen?

Arterioles are

The largest vein in an animal's body is the

On an ECG reading of one cardiac cycle, the contraction of the main mass of the ventricles is represented by the

The heart is located in the thoracic cavity in the space between the two lungs. This space is called the

The interatrial septum is a continuation of the

The impulse created by the natural pacemaker of the heart travels

When looking at a standing animal from the side, you would locate the heart

Oxygenated blood is carried from the mother to a fetus through the

Cardiac muscle can generate its own contractions and relaxations and is therefore called