9700/12 Biology May Jun 2011 Online Test | Cambridge AS and A Level MCQ
CIE
AS & A Level
Biology (9700)
شهریور
2011
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
Gama Admin What describes how smoking contributes to cardiovascular disease?
1 Both nicotine and carbon monoxide speed up the development of plaques in arteries.
2 Nicotine increases blood pressure and heart rate and so increases the body’s demand for oxygen.
3 Smoking interacts with other risk factors and increases the blood cholesterol level.
4 Tar is deposited in the lining of artery walls and increases the development of atherosclerosis.
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