The build up of fatty deposits called plaques within the walls of arteries is known as
Correct answer: A. atherosclerosis
- A. atherosclerosis
- B. arthritis
- C. anaemia
- D. haemophilia
Explanation
Plaques of cholesterol and debris narrow and stiffen arteries, raising blood pressure and predisposing to clots that cause heart attacks and strokes. Controlling diet, smoking and blood pressure slows the process.
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The human heart is a four chambered muscular pump that maintains double circulation through the pulmonary and systemic circuits. Questions cover atria, ventricles, valves, major blood vessels, the cardiac cycle, pressure changes, the conduction system and ECG, while distinguishing arteries and veins from the chambers that receive or eject blood.
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