A nurse is preparing to administer 10 units of regular insulin and 20 units of NPH insulin to a client who has diabetes mellitus.

When mixing the two types of insulin, which of the following actions should the nurse take first?

Replace the needle for withdrawal with a safety needle.

Inject 20 units of air into the NPH insulin vial.

Inject 10 units of air into the regular insulin vial.

Withdraw 10 units of insulin from the regular insulin vial.

Answer and Explanation

The Correct Answer is B

The correct answer is choice B. Inject 20 units of air into the NPH insulin vial.

Choice A rationale:

Replacing the needle for withdrawal with a safety needle is an important step to ensure safety and prevent needle-stick injuries. However, this action is not the first step when mixing two types of insulin. The initial steps involve preparing the insulin vials by injecting air into them.

Choice B rationale:

Injecting 20 units of air into the NPH insulin vial is the correct first step. This is because NPH insulin is a suspension and needs to be mixed properly. Injecting air into the vial helps to equalize the pressure, making it easier to withdraw the correct amount of insulin later. This step is crucial to ensure accurate dosing and proper mixing of the insulin.

Choice C rationale:

Injecting 10 units of air into the regular insulin vial is also necessary, but it is not the first step. The correct sequence is to first inject air into the NPH insulin vial, then into the regular insulin vial. This order helps prevent contamination of the regular insulin with NPH insulin.

Choice D rationale:

Withdrawing 10 units of insulin from the regular insulin vial is an important step, but it should be done after injecting air into both vials. The correct sequence ensures that the insulin is mixed properly and that the doses are accurate.

By following these steps in the correct order, the nurse ensures that the insulin is mixed safely and effectively, minimizing the risk of errors and ensuring proper glycemic control for the patient.

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Free Nursing Study Resources

Correct Answer is C

Explanation

Choice A rationale:
Trimming the nails at the lateral corners can lead to ingrown toenails, which can cause pain and infection.
Choice B rationale:
Cleaning under the nail with an orange stick can cause injury to the nail bed and lead to infection.
Choice C rationale:
Filing the nails in a rounded shape can prevent injury and is the recommended method for nail care.
Choice D rationale:
Pushing the cuticles back with a metal nail file can cause injury and infection.

A. Dextrose 10% in water. B. 3% sodium chloride. C. 0.9% sodium chloride. D. Lactated Ringer's. .

Correct Answer is A

Explanation

Choice A rationale:
Dextrose 10% in water can be used as a temporary replacement for TPN to prevent hypoglycemia until the TPN solution is available.
Choice B rationale:
3% sodium chloride is a hypertonic solution and is not typically used as a replacement for TPN.
Choice C rationale:
0.9% sodium chloride, or normal saline, does not provide the necessary nutrients that are included in TPN.
Choice D rationale:
Lactated Ringer’s is used for fluid resuscitation and does not provide the necessary nutrients that are included in TPN.

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A nurse is preparing to administer 10 units of regular insulin and 20 units of NPH insulin to a client who has diabetes mellitus. When mixing the two types of insulin, which of the following actions should the nurse take first?

Choice A rationale:

Choice B rationale:

Choice C rationale:

Choice D rationale:

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A nurse is providing nail care for a client. Which of the following actions should the nurse take?

Correct Answer is C

Explanation

Correct Answer is A

Explanation

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A nurse is preparing to administer 10 units of regular insulin and 20 units of NPH insulin to a client who has diabetes mellitus.

When mixing the two types of insulin, which of the following actions should the nurse take first?