Insulin glargine is prescribed for a hospitalized patient who has diabetes. When will the nurse expect to administer this drug?
In the morning and at 4:00 PM
Approximately 15 to 30 minutes before each meal
After meals and at bedtime
Once daily at bedtime
The Correct Answer is D
Choice A reason: Insulin glargine is a long-acting insulin given once daily, not twice daily. Morning and 4:00 PM dosing is typical for intermediate-acting insulins, so this incorrect for glargine’s schedule.
Choice B reason: Rapid-acting insulins are given before meals, not glargine, which provides basal coverage. Glargine is dosed once daily, so this is incorrect.
Choice C reason: Post-meal or after meals and bedtime dosing does not suit glargine’s 24-hour action. It’s given once daily, typically at bedtime, so this is incorrect for the administration timing.
Choice D reason: Insulin glargine is administered once daily, often at bedtime, to provide steady basal insulin coverage for 24 hours. This aligns with its pharmacokinetics, making it the correct choice.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Antidotes counteract specific toxins or drugs (e.g., naloxone for opioids). Antihistamines don’t neutralize allergens but block histamine receptors to reduce allergic symptoms like itching or sneezing. They target H1 or H2 receptors, not a toxin, making this choice incorrect for describing antihistamine mechanism of action.
Choice B reason: Antihistamines are antagonists, binding to histamine receptors (H1 or H2) without activating them, preventing histamine from triggering allergic responses like vasodilation or bronchoconstriction. This competitive inhibition reduces symptoms such as itching, sneezing, or gastric acid secretion, making this the correct choice for their pharmacological action.
Choice C reason: Agonists activate receptors to produce a response. Antihistamines block histamine receptors, not activate them, preventing allergic effects. Acting as agonists would mimic histamine, worsening symptoms like swelling or itching, which is opposite to their therapeutic role, making this choice incorrect.
Choice D reason: Activators is a vague term not used in pharmacology to describe drug action. Antihistamines specifically act as receptor antagonists, not general activators. They inhibit histamine effects without stimulating other pathways, making this choice inaccurate for explaining the mechanism of antihistamines in allergy management.
Correct Answer is B
Explanation
Choice A reason: Questioning why allergies aren’t aren’t in the chart is secondary and confrontational. Clarifying the specific allergy ensures safety, so this is incorrect for the first action.
Choice B reason: Identifying the specific antibiotic and reaction verifies the allergy, preventing anaphylaxis or harm. This is the priority safety step, making it the correct first action.
Choice C reason: Lowering the dose doesn’t address the allergy risk; allergic reactions can occur regardless. Verifying the allergy is critical first, so this is incorrect.
Choice D reason: An antihistamine may mitigate mild reactions but doesn’t confirm the allergy. Clarifying the allergy prevents unsafe administration, so this is incorrect for the first step.
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