Isophane insulin is an example of which insulin category?

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Multiple Choice

Isophane insulin is an example of which insulin category?

Explanation:
Isophane insulin is intermediate-acting. Its action is slowed by binding to protamine, which delays absorption after injection. This gives an onset of about 1–2 hours, a peak around 6–12 hours, and a total duration of roughly 14–24 hours. That profile sits between short-acting insulins (which act quickly and have a shorter duration) and long-acting insulins (which have a flatter, near-constant effect and last about a day). So isophane insulin falls into the intermediate-acting category.

Isophane insulin is intermediate-acting. Its action is slowed by binding to protamine, which delays absorption after injection. This gives an onset of about 1–2 hours, a peak around 6–12 hours, and a total duration of roughly 14–24 hours. That profile sits between short-acting insulins (which act quickly and have a shorter duration) and long-acting insulins (which have a flatter, near-constant effect and last about a day). So isophane insulin falls into the intermediate-acting category.

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