1.2 Flashcards
By which artery does oxygenated blood leave the heart?
The aorta
By which arteries does deoxygenated blood leave the heart?
The left/right pulmonary arteries
By which veins does deoxygenated blood enter the heart?
The superior and inferior vena cava
How long does the cardiac cycle last?
0.8 seconds
What is the first value recorded when blood pressure is measured?
The systolic blood pressure
What originally causes atherosclerosis?
Damage to the endothelial cells lining the artery
What does damage to cells lining the artery cause?
The build up of lipids (atheroma)
What do platelets do to the fatty plaque in an artery?
They form a cap over it, narrowing the artery
What causes a stroke or heart attack?
A clot in an artery
What causes an aneurysm?
The weakening of artery walls
What is an aneurysm?
When an artery breaks
What are the two most common types of heart disease?
Angina and myocardial infarction
What is an angina?
When the heart has to resort to anaerobic respiration leading to a gripping pain
A clot that forms in a blood vessel is know as what?
Thrombosis
What side are bicuspid valves found on?
The left hand side of the heart
