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.

Answer and Explanation

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.

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Correct Answer is D

Explanation

Choice A reason: Fentanyl transdermal releases slowly over hours; its onset of 12-24 hours is too delayed for rapid pain relief, suiting chronic, not acute, pain management.

Choice B reason: Oral morphine (assuming PO) takes 30-60 minutes for onset; its slower absorption via the gut delays relief compared to faster intravenous routes.

Choice C reason: Acetaminophen with oxycodone (PO) has a 30-60 minute onset; gastrointestinal absorption limits speed, making it less rapid than IV administration for acute pain.

Choice D reason: Hydromorphone IV acts within 5-10 minutes; direct bloodstream delivery bypasses digestion, providing the fastest opioid receptor activation for immediate pain relief.

A. 5 mL B. 7 mL C. 10 mL D. 14 mL

Correct Answer is B

Explanation

Choice A reason: 5 mL gives 125 mg; this underdoses the 175 mg order, reducing Ceclor’s antibacterial effect, risking persistent ear infection due to insufficient concentration.

Choice B reason: 7 mL is correct; 175 mg divided by 125 mg/5 mL equals 7 mL, delivering the exact cephalosporin dose for effective otitis media treatment.

Choice C reason: 10 mL provides 250 mg; this overdoses Ceclor, risking gastrointestinal upset or resistance, exceeding the therapeutic need for the infection safely.

Choice D reason: 14 mL yields 350 mg; this extreme overdose amplifies side effects like diarrhea or toxicity, far beyond the ordered 175 mg dose requirement.

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A patient is to receive insulin Regular and insulin NPH. How will the nurse draw up the insulins for administration?

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Naxlex Comprehensive Predictor Exams

Which of the following drug orders will provide the fastest pain relief for the patient?

Correct Answer is D

Explanation

The physician orders Ceclor 175 mg po for an ear infection. After reconstitution, the medication is available as 125 mg/5 mL. How many milliliters will the nurse administer?

Correct Answer is B

Explanation

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