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| Q. |
What is the normal blood sugar level of a human being? |
| A. | Close to 10 mg/ml |
| B. | 120 - 150 mg/dl |
| C. | 80 - 90 mg/dl |
| D. | 150 — 200 mg/dl |
| Answer» B. 120 - 150 mg/dl | |
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Explanation: The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. The mean normal blood glucose level in humans is about 4 mM (4 mmol/L or 72 mg/c1L, i.e. milligrams/deciliter); however, this level fluctuates throughout the day. Glucose levels are usually lowest in the morning, before the first meal of the day (termed "the fasting level"), and rise after meals for an hour or two by a few millimolar. |
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