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Flashcards · Biology · Homeostasis

Body Mass, BMI and Type 2 Diabetes

16 cards

  1. What is the BMI equation?

    Mass in kilograms divided by height in metres squared.

  2. What is a healthy BMI?

    18.5 to 24.9.

  3. What BMI is obese?

    30 or more.

  4. What BMI is underweight?

    Below 18.5.

  5. What is the waist to hip ratio?

    The waist circumference divided by the hip circumference.

  6. What does a high ratio show?

    More fat is stored around the abdomen, and there is a higher risk.

  7. What ratio is high for a man?

    Above about 0.90.

  8. What ratio is high for a woman?

    Above about 0.85.

  9. What is the correlation between BMI and type 2 diabetes?

    Positive: the risk rises as the BMI rises.

  10. Does a correlation prove a cause?

    No.

  11. Name a limit of BMI.

    It does not distinguish muscle from fat.

  12. Why does obesity increase the risk of type 2?

    Excess fat can make cells less sensitive to insulin.

  13. Name a confounding factor.

    Diet, lack of exercise or genetics.

  14. What units must height be in for BMI?

    Metres.

  15. Can weight loss help type 2 diabetes?

    Yes, it can improve control.

  16. Common mistake in the BMI calculation?

    Forgetting to square the height, or using centimetres.