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Biology Topic 1.4
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- 1What are the six ways of reducing the risks of cardiovascular disease?Stopping smoking
Maintaining a healthy blood pressure
Maintaining low blood cholesterol levels
Maintaining a normal BMI
Taking regular exercise
Moderate or no alcohol consumption - 2What the three main drugs used to control blood pressure? How do they work?1. ACE inhibitors - they inhibit the hormone which constricts blood vessels.
2. Calcium channel blockers - Calcium must pass through channels in the muscles lining the arteries in order for the arteries to contract. This drug blocks the channels.
3. Diuretics - increase urine production which rids the body of excess fluids and salt, decreasing blood plasma volume, lowering blood pressure. - 3How do statins reduce the risk of cardiovascular disease? What are common side effects of drugs aimed at reducing the risk of CVD?Statins inhibit the enzyme involved in the production of LDLs.
Common side effects include dizziness, headaches, tiredness, nausea and muscle weakness. - 4What are the eight key features of a healthy diet?Energy balanced
Reduced saturated fat
More polyunsaturated fats
Reduced cholesterol
Reduced salt
More non-starch polysaccharides (fibre)
Includes oily fish
More fruit and Vegetables
Información
- Descripción
- New Edexcel AS level Biology topic 1.4 Reducing the risks of cardiovascular disease.
- Creado por
- Amy Tourle
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- 13
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