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NREMT Advanced EMT

Category - Medical Knowledge

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All of the statements below are true of the circulatory system except one. Which statement about the circulatory system is false?

Capillaries are the smallest blood vessels
The sinoatrial node (pacemaker) is the origin of each heart beat
The largest ventricle is the left ventricle which pumps blood to the lungs
The ventricles are larger chambers of the heart that push blood out of the heart
The atria are the smaller chambers of the heart that receive blood

Explanation

Answer - C - All of the statements above are true of the circulatory system except that the left ventricle (the largest chamber of the heart) pumps blood to the parts of the body other than the lungs. The right ventricle is the chamber of the heart that pumps blood from the heart to the lungs in a path called pulmonary circulation.

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