Which insulin is a short-acting/regular insulin?

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Multiple Choice

Which insulin is a short-acting/regular insulin?

Explanation:
Short-acting insulin, known as regular insulin, is the type used when a slower, more predictable rise in insulin is needed around meals or for IV control. It begins to work in about 30 minutes, peaks in roughly 2–4 hours, and lasts about 5–8 hours. Humulin R is the regular (R) form, matching this profile. In contrast, rapid-acting insulins like Lispro act within minutes and peak sooner, while long-acting insulins like Glargine and Detemir provide basal coverage for about a day with no pronounced peak. So Humulin R is the short-acting/regular option.

Short-acting insulin, known as regular insulin, is the type used when a slower, more predictable rise in insulin is needed around meals or for IV control. It begins to work in about 30 minutes, peaks in roughly 2–4 hours, and lasts about 5–8 hours. Humulin R is the regular (R) form, matching this profile. In contrast, rapid-acting insulins like Lispro act within minutes and peak sooner, while long-acting insulins like Glargine and Detemir provide basal coverage for about a day with no pronounced peak. So Humulin R is the short-acting/regular option.

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