The normal blood glucose level, as measured by a glucometer, is between:

The normal blood glucose level, as measured by a glucometer, is between:

• A. 60-100 mg/dL
• B. 80-120 mg/dL
• C. 90-110 mg/dL
• D. 100-140 mg/dL

Answer: (B)

Normal blood glucose measured with a glucometer in adults is typically in the range of about 80 to 120 mg/dL. This window reflects the body's stable glucose delivery to tissues, especially the brain, under normal insulin regulation. Readings around the lower end can signal potential hypoglycemia, while those at the higher end can indicate hyperglycemia or impaired glucose control. Among the options, the 80–120 mg/dL range best represents the standard normal window used in EMS practice, balancing the likelihood of true normal values and avoiding endpoints that suggest hypoglycemia or hyperglycemia.

Normal blood glucose measured with a glucometer in adults is typically in the range of about 80 to 120 mg/dL. This window reflects the body's stable glucose delivery to tissues, especially the brain, under normal insulin regulation. Readings around the lower end can signal potential hypoglycemia, while those at the higher end can indicate hyperglycemia or impaired glucose control. Among the options, the 80–120 mg/dL range best represents the standard normal window used in EMS practice, balancing the likelihood of true normal values and avoiding endpoints that suggest hypoglycemia or hyperglycemia.