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Combined Science: Biology

GCSE · Edexcel · higher

QuestionsFlashcards

Disease
Defence Against Disease
Development of Medicines
- Antibiotics
  4
- Discovery & Development of New Drugs
  6
Non-Communicable Diseases
- Lifestyle & Non-Communicable Disease
  8
- Cardiovascular Disease
  6

The Organism in the Environment
Human Influences on the Environment
- Human Impact on Biodiversity
  6
- Benefits of Maintaining Biodiversity
  6
Cycles within Ecosystems

Diabetes Flashcards

All 7 cards in this deck

What causes type 1 diabetes?: The pancreas does not produce enough insulin (or any), so blood glucose concentration stays too high.
How is type 1 diabetes controlled?: Insulin injections, together with a controlled diet and regular exercise.
How is type 2 diabetes controlled?: Exercise, a controlled diet and weight loss, and medication such as metformin, to reduce blood glucose.
What is the equation for body mass index (BMI)?: BMI = mass in kg ÷ (height in m)²
How is a person's waist : hip ratio calculated?: waist : hip ratio = waist circumference ÷ hip circumference (both measured in the same units, so the ratio has no unit)
True or false? Data showing that people with a high BMI are more likely to have type 2 diabetes proves that high BMI causes type 2 diabetes.: False. It shows a correlation only; correlation alone does not prove that one factor causes the other.
Why does blood glucose rise too high in a person with type 2 diabetes?: Their body cells no longer respond properly to insulin (insulin resistance), or their pancreas makes too little insulin.