Biology 0.0 / 5 ? BiologyCardiac Cycle and CVDASEdexcel Created by: paddy01Created on: 19-11-17 10:45 What is Atrial Systole? The atria fill with blood and pressure increases 1 of 16 What Valve(s) are open? Atrioventricular 2 of 16 What is Ventricular Systole? Ventricles contracting 3 of 16 What Valve(s) are open? Semilunar 4 of 16 What is Diastole? Blood flowing into the relaxing atria 5 of 16 What Valve(s) are open? Neither 6 of 16 Why is the rate at which electrical activity passes from Atrioventricular Node to Bundle of His important? It allows the blood to leave the atria before diastole 7 of 16 Why are the Heart and Arteries described as organs? They contain more than one tissue 8 of 16 Why might an Atheroma lead to a Blood clot? Due to damage to the endotheliam layer 9 of 16 What are Diuretics? They make you uirnate to reduce blood volume 10 of 16 What are the possible side effects of Diuretics? Dizziness, nausea or muscle cramps 11 of 16 What are Beta Blockers? Stop adrenaline so lowers blood pressure 12 of 16 What are the possible side effects of Beta Blockers? Abnormal heart rhythm, headaches, red flushes to the face 13 of 16 What are Anticoagulants e.g Warafin? It interferes with the production of Vitamin K which affects the synthesis of clotting factors 14 of 16 What are the possible risks of Anticoagulants? Could lead to an internal haemorrhage or stomach ulcers 15 of 16 What is an Anuerysm? When the blood vessel ulges and weakens which increases risk of rupture and internl bleeding 16 of 16
Comments
No comments have yet been made