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ATI: Pharmacology Made Easy 5.0 -
Introduction to Pharmacology Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Which route of drug administration allows the drug to be absorbed directly into the bloodstream?✔✔a) Intravenous
b) Oral
c) Topical
d) Inhalation
Which of the following factors can influence drug absorption?✔✔a) Blood flow to the site of administration
b) The patient's age
c) The color of the medication
d) The shape of the medication
What is the primary purpose of a drug's half-life?
a) To determine how quickly the drug reaches peak effect 1 / 4
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b) To calculate the time it takes for the drug to be metabolized
✔✔c) To measure the time it takes for the concentration of the drug in the body to decrease by half
d) To determine how much of the drug is excreted
Which of the following is the best definition of pharmacodynamics?✔✔a) The study of how drugs interact with receptors in the body to produce therapeutic effects
b) The study of drug absorption, distribution, metabolism, and excretion
c) The process of drug metabolism in the liver
d) The interaction between different drugs in the body
What does the term "first-pass effect" refer to?
a) The elimination of a drug through the kidneys
b) The amount of drug that reaches the systemic circulation after oral administration
✔✔c) The process by which the liver metabolizes a drug before it reaches the systemic circulation
d) The rate at which a drug binds to plasma proteins
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Which of the following is a common side effect of opioids?✔✔a) Constipation
b) Diarrhea
c) Insomnia
d) Weight loss
What is the term for drugs that enhance the effect of another drug when used together?
a) Antagonists
b) Substrates
✔✔c) Synergists
d) Enzymes
Which of the following medications is an example of a beta-blocker?
a) Atorvastatin
✔✔b) Metoprolol
c) Ibuprofen
d) Prednisone
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How should a nurse handle a medication with a narrow therapeutic index?✔✔a) Monitor the patient's drug levels closely
b) Administer the drug without concern for blood levels
c) Only monitor the patient for side effects
d) Increase the dose to achieve therapeutic effect
Which of the following is the main advantage of using extended-release drug formulations?
a) Faster absorption into the bloodstream
✔✔b) Longer duration of action with fewer doses
c) Fewer side effects
d) Reduced cost of the drug
What is the primary purpose of using a drug's "onset of action" in treatment planning?
a) To determine how long the drug will stay in the body
✔✔b) To predict how soon the drug will begin to have a therapeutic effect
c) To calculate the drug's metabolism rate
d) To evaluate the drug's side effects
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