A glucose blood test is a test used to measure the amount of glucose, or sugar, in a person's blood. Glucose is an important source of energy for the body's cells, and it is regulated by the hormone insulin. A glucose blood test is often used to diagnose and monitor diabetes, as well as to identify other conditions that may affect blood sugar levels, such as pancreatic disorders and hormonal imbalances. The test is typically performed on a small sample of blood taken from a finger prick or a vein in the arm.
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