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16 Cards in this Set
- Front
- Back
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What is the vascular system?
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-A system of vessels that transport fluids through the body
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What is the function of arteries & arterioles?
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-Transport blood away from heart (oxygen-rich blood)
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What are the functions of the veins & venules?
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-Transport blood towards heart (oxygen-depleted blood)
-Venules unite to form veins |
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What are the function of capillaries?
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-Form delicate networks
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What is a stroke?
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-Rapid loss of brain function due to disturbance in the blood supply to the brain.
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What are the 2 types of stroke?
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1. Ischemic
2. Hemorrhagic |
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What is an ischemic stroke?
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-A clot blocks blood flow to the brain
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What is a hemorrhagic stroke?
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-Bleeding that occurs inside or around brain tissue.
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What are the risk factors for stroke?
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-Hypertension
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What is hypertension?
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-Sustained elevation in systemic arterial blood pressure, either systolic or diastolic.
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What are factors that can affect blood pressure?
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-Age
-Gender -Stress -Hormones -Drugs -Cardiac output -Circulating volume |
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What are some treatments for hypertension?
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-No smoking
-Sodium restriction -Diuretics to reduce cardiac output -Beta blockers, ACE inhibitors |
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What is an aneurysm?
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-Permanent dilation of an artery or a chamber of the heart.
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What areas of the body are most susceptible to aneurysm?
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-Aorta and arteries at the base of the brain.
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What are some causes of aneurysm?
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-Atherosclerosis (fatty deposits weakening vessel wall)
-Infection -Hypertension (weakening of wall due to constant pressure) -Cystic medial degeneration - thoracic aorta |
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What are the main treatments for aneurysm?
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-Surgery, including graft
-Antihypertensives -Anticoagulants |
