ATI TEAS Cardiovascular System — Study
Guide and Practice Questions for TEAS Exam
cardiovascular system - Correct answer- -ALSO called the
circulatory system
-made up of the heart, blood vessels, the blood, and lymphatic
system.
-waste removal, nutrient distribution, communication, protection.
heart - Correct answer- -composed of cardiac muscle tissue
-4 muscular chambers of heart: right and left atria and the right
and left ventricles
-regulates blood flow through a double-loop system, pumping
oxygenated blood to body tissue and deoxygenated blood to the
lungs
atria - Correct answer- -2 of them; left and right
-chambers of the heart that receive blood returning to the heart
from other areas of the body
ventricles - Correct answer- -chambers of the heart that collect
and expel blood from the heart -2 of them; left and right
atrioventricular valves - Correct answer- valves that separate the
atria and ventricles in the heart
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tricuspid valve - Correct answer- separates the right atrium and
right ventricle
mitral valve (bicuspid) - Correct answer- -ALSO called bicuspid
-separates left atrium and left ventricle
types of blood vessels - Correct answer- 1. arteries
2. capillaries
3. veins
arteries - Correct answer- strong, elastic vessels adapted to the
high pressure of blood as it leaves the heart
arterioles - Correct answer- -smaller branches of arteries
-supply blood to the capillaries
capillaries - Correct answer- -smallest blood vessels
-consist of only a single layer of epithelial tissue, which allows
substances and gases to be exchanged b/t the blood and the cells
of tissues via diffusion
-receive blood from the arterioles and return it to the venules
aorta - Correct answer- -largest artery in the body!
-the artery that carries blood pumped from the LEFT ventricle of
the heart into systemic circulation
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