NURS 180 Final Exam | Pharmacology (2026) Actual Q&A PDF | Fortis College

NURS 180 Final Exam | Pharmacology (2026) Actual Q&A PDF |
Fortis College
**Question 1:** Which term describes the study of what a drug does to the body?



A) Pharmacokinetics

B) Pharmacodynamics

C) Pharmacognosy

D) Pharmaceutics



**Correct Answer: B) Pharmacodynamics**



**Rationale:** Pharmacodynamics describes the effects of drugs on the body and the
mechanisms by which those effects occur. Pharmacokinetics describes what the body does to a
drug (absorption, distribution, metabolism, excretion) .



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**Question 2:** Which four processes make up pharmacokinetics?



A) Absorption, distribution, metabolism, excretion

B) Potency, efficacy, toxicity, tolerance

C) Binding, activation, antagonism, inhibition

D) Administration, diagnosis, treatment, evaluation



**Correct Answer: A) Absorption, distribution, metabolism, excretion**

, **Rationale:** ADME stands for absorption, distribution, metabolism, and excretion — the
major pharmacokinetic processes .



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**Question 3:** A medication has a half-life of 6 hours. Approximately what percentage
remains after 18 hours?



A) 50%

B) 25%

C) 12.5%

D) 6.25%



**Correct Answer: C) 12.5%**



**Rationale:** Eighteen hours equals three half-lives. The amount declines as 100% → 50% →
25% → 12.5% .



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**Question 4:** What does a trough drug level represent?



A) The highest concentration after administration

B) The lowest concentration, usually measured just before the next dose

C) The total amount excreted

D) The maximum concentration of the drug