A patient is to receive insulin Regular and insulin NPH. How will the nurse draw up the insulins for administration?
Administer the two insulins using different syringes and different sites of the body.
Mix the Regular and NPH in the same syringe, drawing up the Regular first.
Shake the bottles vigorously before drawing up the insulins.
Mix the Regular and NPH in the same syringe, drawing up the NPH first.
The Correct Answer is B
Choice A reason: Separate syringes increase injection sites and patient discomfort; mixing is standard as Regular and NPH are compatible, optimizing insulin delivery efficiency and absorption.
Choice B reason: Drawing Regular (clear) before NPH (cloudy) in one syringe prevents contamination of the short-acting vial with the intermediate-acting insulin, ensuring accurate dosing and stability.
Choice C reason: Shaking insulin damages its structure; NPH requires gentle rolling to mix, while Regular needs no mixing, making vigorous shaking inappropriate for preparation.
Choice D reason: Drawing NPH first risks contaminating the Regular vial with NPH particles, altering its rapid action; the clear-to-cloudy sequence maintains insulin integrity and efficacy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Juice may alter absorption; liquid can dilute or degrade some drugs, and taste may deter intake, reducing effectiveness compared to soft food.
Choice B reason: Applesauce masks taste and aids swallowing; it ensures crushed medication is consumed fully, maintaining dose integrity without altering pharmacokinetics significantly.
Choice C reason: Water may not mask bitterness; some drugs dissolve poorly or lose potency, and patients may not finish it, risking incomplete dosing.
Choice D reason: Meat or vegetables may bind drugs; uneven distribution or strong flavors could reduce intake, compromising the full therapeutic dose delivery.
Correct Answer is A
Explanation
Choice A reason: Blood aspiration indicates vascular entry; discarding prevents IV administration of a drug meant for another route, avoiding rapid absorption risks or contamination.
Choice B reason: Giving despite blood risks unintended IV delivery; drugs like IM injections aren’t formulated for this, potentially causing toxicity or embolism.
Choice C reason: Changing the needle doesn’t address blood-mixed medication; it remains unsafe for injection, as the dose is compromised and potentially contaminated.
Choice D reason: Omitting skips treatment unnecessarily; the issue is procedural, not the order, and restarting ensures the patient receives the intended therapy safely.
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