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Marjorie Cora December 6, 2019 KIN 171 Steve Hartman CAD 1. CAD is dangerous for the heart because where atherosclerosis occurs in coronary arteries, blood flow to the heart muscle is restricted and a heart attack can then occur. Controllable risks include avoiding smoking, changing fat and cholesterol recommendation, strive for a hearthealthy diet, maintaining a healthy weight, exercising regularly, controlling diabetes, controlling your blood pressure, managing stress, and getting more sleep. 2. Uncontrollable risks include a persons race, ethnicity, heredity, age, and gender. 3. Terms related to CAD should be studied when learning about the disease. This includes angina pectoris, ischemia, atherosclerosis, tachycardia, bradycardia, arrhythmias, thrombus, embolus, and aneurysm. Refer to chart to study these terms:

Angina pectoris

Recurring acute chest pain or discomfort resulting from decreased blood supply to the heart muscle

Ischemia

Deprivation of adequate blood supply to a given tissue.

Atherosclerosis

A disease of the arteries characterized by the deposition of plaques of fatty material on their inner walls.

Tachycardia

A condition that causes your heart to beat more than 100 times per minute.

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Bradycardia

Abnormally slow heart action

Arrhythmias

A problem with the rate or rhythm of your heartbeat (irregular heartbeat)

Thrombus

A blood clot formed in situ within the vascular system of the body and impeding blood flow.

Embolus

A blood clot, air bubble, piece of fatty deposit, or other objects which has been carried in the bloodstream to lodge in a vessel and cause an embolism.

Aneurysm

Excessive localized enlargement of an artery caused by a weakening of the artery wall.

4. For people learning about CAD, it is also important that they learn and understand the flow of blood to the heart and lungs. Primarily, deoxygenated blood flows into the right atrium from the superior and inferior venae cavae. Next, blood moves from the right atrium into the right ventricle, from there it is pumped through the pulmonary arteries into the lungs. After that blood picks up oxygen and discards carbon dioxide in the lungs. It then goes through the pulmonary veins into the left atrium. Finally, oxygenated blood is forced from the left atrium into the left ventricle and from there is it is pumped through the aorta into the rest of the body’s blood vessels. 5. Signs and symptoms of a heart attack can include irregular heartbeats, sweating, vomiting, dizziness, heartburn, indegestion, discomfort of the back jaw throat or arm, and pain in the chest and arm. 6. Components like arteries, veins, and capillaries all have important roles in our health and knowing what their roles are can be good information to have. Arteries transport highpressure blood away from the heart to the capillary beds of tissues. Veins return blood to the heart. Finally, capillaries are the links between the arteries and the venous systems where the

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exchange of gases, nutrients wastes, and hormones take place between and the interstitial fluid bathing each body cell. 7. Normal resting blood pressure can fluctuate depending on whether it is systolic blood pressure or diastolic blood pressure. For example, systolic blood pressure is exerted on the artery as blood moves through at peak contraction of the heart. However, diastolic blood pressure represents the pressure in the artery when the heart is resting between beats. Systolic contracts while diastolic rests. 8. Ten behaviors to decrease your risk of cancer includes using sunscreen, increasing muscle mass, decreasing body fat, avoid excess weight gain or loss, maintain your weight reasonably, get at least 150 minutes of moderate-intensity exercise each week, limit animal fat and high-calorie foods and beverages, avoid heavy regular drinking of alcohol, avoiding smoking, and getting regular checks to catch it early. 9. The “ABCD” rules are also something to always remember in skin cancer identification. The “ABCD” stands from asymmetry, border, color, and diameter. Asymmetry is when half of a mole does not match the other. Border describes when the edges of a mole are ragged or irregular. Color obviously refers to whether the color is consistent or if it varies. Finally, if the diameter is larger than 6mm it should be looked at. 10. Another aspect of cancer includes the kind of tumors that can be identified. These are benign and malignant. They are vastly different; benign tumors tend to remain localized and usually do not pose a threat to one’s health, whereas malignant tumors consist of renegade cells that do not respond to the body’s genetic controls on growth and division. It can migrate from their site of origin and attack or invade surrounding body tissue....