What is the typical peak action time for regular insulin?

The typical peak action time for regular insulin is accurately identified as 2-4 hours. Regular insulin, which is a short-acting insulin, typically begins to act within 30 minutes after administration, but its peak effect occurs around the 2 to 4-hour mark. This is important since it helps guide both the timing of insulin administration in relation to meals and the management of blood glucose levels.

Understanding the peak action time is crucial for patients and healthcare providers to optimize insulin dosing, avoid hypoglycemia, and ensure adequate blood glucose control, especially during meal times. This peak range allows for a relatively predictable rise and fall in insulin levels, which is essential for effective diabetes management.

While other options may represent different types of insulins or dosing considerations, none correctly capture the peak for regular insulin as accurately as the established 2 to 4 hours.