A nurse is preparing to mix NPH insulin and regular insulin for administration.
Which of the following actions should the nurse take?

Use a tuberculin syringe.

Inject air into each vial.

Withdraw the NPH insulin first.

Shake the regular insulin vial.

Answer and Explanation

The Correct Answer is B

Choice A rationale:

While a tuberculin syringe can be used for insulin administration, it’s not necessary when mixing NPH and regular insulin. Insulin syringes are typically used for this purpose.

Choice B rationale:

Injecting air into each vial before withdrawing insulin helps equalize pressure and makes it easier to draw up the insulin. This should be done before withdrawing any insulin.

Choice C rationale:

Withdrawing NPH insulin first contradicts the standard practice of drawing up insulins. The usual recommendation is to draw up short-acting (regular) insulin before intermediate-acting (NPH) insulin.

Choice D rationale:

Shaking the regular insulin vial is unnecessary and could potentially create bubbles, making it harder to draw up the correct dose of insulin.

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Correct Answer is D

Explanation

A. Pinch the tube while connecting the syringe to it. B. Elevate the head of the client's bed to 10°. C. Flush the tube with normal saline following medication administration. D. Combine crushed medications together in a single syringe.

Correct Answer is C

Explanation

Choice A rationale:

Pinching the tube while connecting the syringe to it could potentially damage the tube and does not aid in medication administration.

Choice B rationale:

Elevating the head of the client’s bed to only 10° may increase the risk of aspiration. The head of the bed should be elevated to at least 30° during medication administration and for at least an hour afterward.

Choice C rationale:

Flushing the tube with normal saline following medication administration helps ensure that all medication has been administered and helps maintain tube patency.

Choice D rationale:

Combining crushed medications together in a single syringe can lead to drug interactions and can also increase the risk of tube clogging. Each medication should be administered separately.

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A nurse is preparing to mix NPH insulin and regular insulin for administration.
Which of the following actions should the nurse take?