A nurse is mixing a short-acting insulin and an intermediate-acting insulin in the same syringe for a client who has diabetes mellitus.
Which of the following actions should the nurse take first?
Draw the intermediate-acting insulin into the syringe.
Draw the short-acting insulin into the syringe.
Inject air into the intermediate-acting insulin vial.
Inject air into the short-acting insulin vial.
The Correct Answer is C
A. When mixing insulins, you should draw the short-acting insulin into the syringe first. This is done after injecting air into both vials (first into intermediate-acting, then into short-acting). Drawing intermediate-acting insulin first can contaminate the short-acting insulin vial with the longer-acting solution, which could alter the effectiveness of future doses.
B. Although this step is required when mixing insulins, it is not the first step. The nurse should first inject air into both vials to maintain vial pressure.
C. The nurse should inject air into the intermediate-acting insulin vial first because it helps prevent contamination and maintains the correct pressure within the vial. Intermediate-acting insulin, typically NPH (Neutral Protamine Hagedorn), is cloudy, and air injection into the vial allows for easy withdrawal later on without disrupting the order of mixing.
D. Injecting air into the short-acting insulin vial is necessary but should be done after injecting air into the intermediate-acting vial. By injecting air into both vials first, the nurse prevents a vacuum effect, which can make it difficult to draw up the insulin. After injecting air, the nurse can draw the short-acting insulin into the syringe before moving to the intermediate-acting insulin. This order minimizes the risk of contamination.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
This statement indicates that the nurse should take steps to ensure effective communication with the client by recommending an interpreter who is the same gender as the client.
This can help to facilitate understanding and comfort during the informed consent process.
Choice A is wrong because nodding alone is not sufficient to indicate understanding.
Choice C is wrong because using medical terminology can be confusing and may not facilitate understanding.
Choice D is wrong because questions should be addressed directly to the client, with the interpreter facilitating communication.
Correct Answer is ["C","D","E"]
Explanation
“I need to have a fire escape plan with my family,” “I will use the grab bars when getting in and out of the bathtub,” and “I need to check my medications for expiration dates” are all important home safety measures.
Choice A is wrong because setting the hot water heater to 140 degrees Fahrenheit is too high and can increase the risk of scalding.
The recommended temperature for a hot water heater is 120 degrees Fahrenheit.
Choice B is wrong because applying tape over frayed areas of electrical cords is not a safe solution.
Frayed electrical cords should be replaced to prevent electrical hazards.
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