Which of the following insulins may be administered intravenously as well as subcutaneously?

Rationale

Regular insulin may be administered intravenously as well as subcutaneously.

Regular insulin is the only form of insulin that is suitable for intravenous use due to its rapid onset and short duration of action, allowing for precise control of blood glucose levels in acute situations. It can also be administered subcutaneously for longer-term management of diabetes.

A (Regular) CORRECT

Regular insulin is the only type that can be given both intravenously and subcutaneously. Its formulation allows for immediate action when used intravenously, making it ideal for situations requiring rapid glucose control, such as in hospital settings or during surgeries.

B (NPH) YOUR ANSWER

NPH (Neutral Protamine Hagedorn) insulin is an intermediate-acting insulin that is designed for subcutaneous administration. It is not suitable for intravenous use due to its slower onset and longer duration of action compared to regular insulin, which limits its utility in acute situations.

C (70/30) YOUR ANSWER

The 70/30 insulin formulation consists of 70% NPH and 30% regular insulin, making it primarily intended for subcutaneous use. The presence of NPH restricts its use intravenously, as the combined action does not provide the immediate effect required in critical care scenarios.

D (Glargine) YOUR ANSWER

Glargine is a long-acting insulin that is designed for subcutaneous administration only. Its formulation results in a slow and steady release of insulin, which is unsuitable for intravenous administration, where rapid action is often necessary.

Conclusion

Among the types of insulin listed, only regular insulin is appropriate for both intravenous and subcutaneous routes of administration. This versatility is critical in medical settings where rapid glucose control is necessary, while the other types are limited to subcutaneous use due to their pharmacokinetic profiles. Understanding these differences ensures effective diabetes management and appropriate therapeutic applications.

Which of the following insulins may be administered intravenously as well as subcutaneously?

Regular insulin may be administered intravenously as well as subcutaneously.

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