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ATI Pharmacology Study Guide Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
How does a medication’s route of administration affect its absorption?✔✔ Different routes (oral, IV, IM, subcutaneous) determine how quickly and effectively a drug enters the bloodstream.
Why should patients avoid alcohol while taking certain medications?✔✔ Alcohol can increase drug side effects, cause liver damage, or reduce drug effectiveness.
What is the purpose of black box warnings on medications?✔✔ To alert healthcare providers and patients about serious or life-threatening risks.
How can drug interactions impact patient safety?✔✔ They can enhance or reduce drug effects, leading to toxicity or treatment failure.
Why are sublingual medications placed under the tongue? 1 / 3
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✔✔ To allow rapid absorption into the bloodstream without passing through the digestive system.
What is the best way to measure liquid medication for accurate dosing?✔✔ Using a calibrated measuring device, not household spoons.
Why must insulin injections be given at specific times?✔✔ To maintain stable blood sugar levels and prevent complications.
What should a patient do if they miss a dose of their medication?✔✔ Follow the medication instructions or consult their healthcare provider.
Why are some medications stored in dark containers?✔✔ To protect them from light, which can degrade their effectiveness.
How do anticoagulants like warfarin help prevent strokes?✔✔ By reducing blood clot formation.
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Why should NSAIDs be taken with food or milk?✔✔ To minimize stomach irritation and ulcers.
What should a nurse do before administering a new medication to a patient?✔✔ Check for allergies, review the order, verify patient information, and educate the patient.
How does the body eliminate drugs?✔✔ Primarily through the liver and kidneys via urine, feces, sweat, or breath.
Why are some drugs prescribed as "PRN"?✔✔ They are taken only as needed for symptoms like pain or nausea.
What is polypharmacy, and why is it a concern?✔✔ The use of multiple medications, which increases the risk of drug interactions and side effects.
Why are elderly patients at higher risk for drug toxicity?✔✔ Their metabolism and kidney function slow down, reducing drug clearance.
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