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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Correct Answer is ["A","B"]

Explanation

Choice A rationale:
Localized edema is a common sign of infection. The body sends extra fluid to the area as part of the inflammatory response.
Choice B rationale:
An increase in neutrophils, a type of white blood cell, is a common response to infection. Neutrophils are part of the body’s immune response and work to fight off invading bacteria.
Choice C rationale:
An increase in platelets is not typically associated with infection. Platelets are involved in blood clotting, not the immune response.
Choice D rationale:
Bradycardia, or a slow heart rate, is not typically associated with infection. Infection usually causes an increased heart rate, not a decreased one.
Choice E rationale:
An increase in RBCs is not typically associated with infection. RBCs carry oxygen around the body, but their number does not usually change in response to infection.

Correct Answer is ["3"]

Explanation

The correct answer is3 capsules. Calculation: 900 mg (desired dose) / 300 mg (available dose) = 3 capsules.

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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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Naxlex Comprehensive Predictor Exams

A nurse is assessing a client who has diabetes mellitus and reports foot pain. The nurse should evaluate the client for which of the following alterations as indications that the client has an infection? (Select all that apply.)

Correct Answer is ["A","B"]

Explanation

Correct Answer is ["3"]

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?