American Association of Family and Consumer Sciences (AAFCS) Practice Test

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Prepare for the American Association of Family and Consumer Sciences Test. Study with flashcards and multiple choice questions, each question includes hints and explanations. Get ready for your exam!

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Type 1 diabetes is primarily caused by which of the following?

An insulin resistance in body cells
An immune system response that attacks insulin-producing cells
Excessive weight gain
Genetic predisposition

The correct answer is: An immune system response that attacks insulin-producing cells

Type 1 diabetes is primarily caused by an immune system response that attacks insulin-producing cells in the pancreas, specifically the beta cells. This autoimmune reaction leads to the destruction of these cells, resulting in little to no insulin production. Since insulin is crucial for regulating blood glucose levels, the lack of it in individuals with type 1 diabetes leads to elevated blood sugar levels. This condition usually manifests in childhood or adolescence, although it can occur at any age, as the body is unable to produce sufficient insulin. While insulin resistance is a significant factor in type 2 diabetes, it does not apply to type 1 diabetes. Excessive weight gain and genetic predisposition can contribute to the risk for type 2 diabetes but are not primary causes of type 1. The autoimmune nature of type 1 diabetes distinguishes it from other forms that are more associated with lifestyle and obesity factors. Understanding this mechanism is vital for differentiating between the two types of diabetes and for managing treatment effectively.