Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 5 - Section 5.7 - Cardiovascular Disorders - Check Your Progress - Page 110: 1

Answer

Stroke: When a small cranial arteriole is blocked or bursts. This prevents oxygen from getting to a portion of the brain and can cause death or paralysis. Heart attack: Also called a myocardial infarction, this results when a part of the muscle in the heart dies due to a lack of oxygen. Angina pectoris: When a coronary artery becomes partially blocked. This causes of feeling of pressure, squeezing, or pain in the chest area. Aneurism: When a blood vessel balloons. Sustained atherosclerosis and hypertension can weaken the walls of arteries and make those walls more prone to ballooning. Depending on which vessel is damaged by an aneurism, that vessel may potentially be replaced by a plastic tube. If a major vessel bursts, then death is likely.

Work Step by Step

Stroke: When a small cranial arteriole is blocked or bursts. This prevents oxygen from getting to a portion of the brain and can cause death or paralysis. Heart attack: Also called a myocardial infarction, this results when a part of the muscle in the heart dies due to a lack of oxygen. Angina pectoris: When a coronary artery becomes partially blocked. This causes of feeling of pressure, squeezing, or pain in the chest area. Aneurism: When a blood vessel balloons. Sustained atherosclerosis and hypertension can weaken the walls of arteries and make those walls more prone to ballooning. Depending on which vessel is damaged by an aneurism, that vessel may potentially be replaced by a plastic tube. If a major vessel bursts, then death is likely.
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