🧬ap biology review

Hyperglycemia

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Hyperglycemia refers to high levels of glucose (sugar) in the blood. It occurs when there is insufficient insulin production or impaired insulin function, leading to an imbalance between glucose production and uptake.