Final answer:
Insulin Isophane Suspension NPH (Humulin N, Novolin N) has an approximate onset of 2-4 hours, peak effect at 8-12 hours, and duration of 16-20 hours.
Step-by-step explanation:
Insulin Isophane Suspension NPH (Humulin N, Novolin N) is a type of insulin used to control blood sugar levels in people with diabetes. The approximate onset, peak, and duration times for this type of insulin are as follows:
Onset: 2-4 hours
Peak: 8-12 hours
Duration: 16-20 hours
This means that after injecting this insulin, it will start working within 2-4 hours, reach its peak effect at around 8-12 hours, and continue to lower blood sugar levels for about 16-20 hours.