Medical Emergencies · single question

In Type 2 Diabetes Mellitus, which of the following is an EXCEPTION (NOT true)?

  1. It is insulin-dependent (requires insulin injections)
  2. There is peripheral insulin resistance
  3. It has a genetic predisposition
  4. Lifestyle modification can improve glycemic control
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Correct answer: A. It is insulin-dependent (requires insulin injections)

✓ A) Insulin-dependent is the EXCEPTION — Type 2 is NOT (primarily) insulin-dependent.
Type 2 DM is characterized by insulin RESISTANCE (cells don't respond to insulin) and relative insulin deficiency — NOT absolute insulin deficiency like Type 1. Type 2 is managed initially with lifestyle changes (diet, exercise) and oral medications (metformin first-line). Insulin may be added later when oral medications fail, but Type 2 is fundamentally different from Type 1 (autoimmune, absolute insulin deficiency, requires insulin from diagnosis). 'Insulin-dependent diabetes mellitus' = older term for Type 1.

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