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Which of the following is NOT a symptom of type 2 diabetes?

  1. Loss of energy

  2. Nighttime urination

  3. Polyuria

  4. Vision difficulty

The correct answer is: Polyuria

The correct answer is that polyuria is indeed a symptom of type 2 diabetes, so identifying it as not a symptom is inaccurate. Polyuria refers to the condition of producing excessive amounts of urine, which is a common manifestation of diabetes due to the body attempting to excrete excess glucose through urine. On the other hand, loss of energy, nighttime urination, and vision difficulty can also occur in individuals with type 2 diabetes. Loss of energy is typically linked to the body's inability to effectively use insulin and glucose for energy. Nighttime urination can result from elevated blood glucose levels, which leads to increased urine production. Vision difficulty may arise from changes in blood sugar levels that affect the eyes, such as diabetic retinopathy. Thus, recognizing polyuria as a symptom demonstrates an understanding of the bodily changes that occur in diabetes, while the other symptoms represent the broader effects of the disease.