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ATI Pharmacology: BASICS Questions
and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the primary goal of pharmacokinetics?✔✔To understand how the body absorbs, distributes, metabolizes, and excretes drugs
Why is the liver important in drug metabolism?✔✔Because it contains enzymes that break down drugs for elimination
Which organ is mainly responsible for excreting most drugs from the body?✔✔The kidneys
What does a drug's half-life refer to?✔✔The time it takes for half of the drug to be eliminated from the body
What does it mean when a drug has a narrow therapeutic index?✔✔It has a small margin between therapeutic and toxic doses
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Why should some medications be taken with food?✔✔To reduce stomach irritation or improve absorption
What is the term for a severe, life-threatening allergic reaction to a medication?✔✔Anaphylaxis
What is the first thing a nurse should assess before giving a beta blocker?✔✔The patient’s heart rate and blood pressure
What is the safest way to identify a patient before administering medication?✔✔Check the patient’s name and date of birth on the ID band
Why are peak and trough levels measured for some medications?✔✔To ensure the drug is in the therapeutic range and avoid toxicity
Why is it important to complete an entire course of antibiotics?✔✔To fully eliminate the infection and prevent resistance
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What does the term “contraindication” mean in pharmacology?✔✔A reason why a specific drug should not be used in a certain situation
What is the expected action of an agonist drug?✔✔To activate receptors and produce a desired response
What is the role of an antagonist drug?✔✔To block receptors and prevent a response
What should you do if a patient refuses medication?✔✔Document the refusal and notify the healthcare provider
Why is it important to check lab values before administering certain drugs like digoxin or warfarin?✔✔To avoid toxicity or ineffective dosing
What is a black box warning on a drug label?✔✔A serious warning from the FDA about potentially dangerous side effects
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