EMT Basic Certification Complete Practice Exam 2026

Hyperglycemia is defined as an excessively high level of glucose in the bloodstream. In general, a blood glucose level that exceeds 200 mg/dL indicates hyperglycemia, which can lead to symptoms and complications if not managed properly.

The range of 200-500 mg/dL identifies a state of significant hyperglycemia where clinical intervention may become necessary. At levels within this bracket, individuals may experience symptoms such as increased thirst, frequent urination, and fatigue. If blood glucose levels continue to rise above 500 mg/dL, it can lead to more severe complications such as diabetic ketoacidosis or hyperglycemic hyperosmolar state, both of which are considered medical emergencies.

In contrast, the other options reflect blood glucose levels that are within normal or only mildly elevated ranges, which would not be classified as hyperglycemia. Levels below 140 mg/dL indicate normoglycemia or euglycemia, and up to 199 mg/dL can be related to impaired fasting glucose but still are not categorized as hyperglycemia in the same way as levels starting at 200 mg/dL and above.