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
,✔✔ 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.
2
, 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.
3
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
,✔✔ 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.
2
, 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.
3
