What is hyperglycemia?

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Prepare for the PLTW Biomedical Science Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

Multiple Choice

What is hyperglycemia?

Explanation:
Hyperglycemia is the medical term for high blood sugar levels. It means there is more glucose in the blood than normal, often occurring in diabetes when insulin is insufficient or ineffective. Normal fasting glucose is about 70–99 mg/dL; glucose levels above this range indicate hyperglycemia. If it persists, it can cause thirst, frequent urination, fatigue, and blurred vision, and long‑term high blood sugar can damage nerves, kidneys, eyes, and the heart. It is not low blood sugar, not normal blood sugar, and not related to high blood pressure.

Hyperglycemia is the medical term for high blood sugar levels. It means there is more glucose in the blood than normal, often occurring in diabetes when insulin is insufficient or ineffective. Normal fasting glucose is about 70–99 mg/dL; glucose levels above this range indicate hyperglycemia. If it persists, it can cause thirst, frequent urination, fatigue, and blurred vision, and long‑term high blood sugar can damage nerves, kidneys, eyes, and the heart. It is not low blood sugar, not normal blood sugar, and not related to high blood pressure.

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