PRN1450 Pharmacology for Practical Nursing Midterm Test Bank Verified Questions Answers 2025/ 2026

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PRN1450 – PHARMACOLOGY FOR PRACTICAL NURSING
MIDTERM PRACTICE EXAM MULTIPLE CHOICE EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025|2026 Q&A |
INSTANT DOWNLOAD PDF

1. Which government agency regulates prescription and over-the-counter drugs
in the United States?
a) CDC
b) WHO
c) FDA
d) DEA
• The FDA ensures safety, efficacy, and labeling of drugs in the U.S.
2. The main role of the DEA in drug regulation is:
a) Approving new drugs
b) Monitoring adverse effects
c) Controlling drugs with abuse potential
d) Educating nurses on safe medication use
• The DEA enforces laws related to controlled substances and prevents drug
abuse.
3. What is the study of how drugs move through the body called?
a) Pharmacodynamics
b) Toxicology
c) Pharmacokinetics
d) Pharmacogenomics
• Pharmacokinetics is absorption, distribution, metabolism, and excretion of
drugs.




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4. The study of how drugs affect the body is called:
a) Pharmacodynamics
b) Pharmacokinetics
c) Pharmacognosy
d) Biochemistry
• Pharmacodynamics describes drug-receptor interactions and effects on the
body.
5. Which route of administration usually has the fastest absorption?
a) Oral
b) Subcutaneous
c) Intravenous (IV)
d) Intramuscular
• IV delivers drug directly into circulation, bypassing absorption barriers.
6. What does the term “half-life” of a drug mean?
a) Time for full metabolism
b) Time for maximum effect
c) Time for 50% of the drug to be eliminated
d) Time between doses
• Half-life determines dosing intervals and how long drug remains active.
7. What is the term for a medication that enhances the effect of another drug?
a) Antagonist
b) Synergist
c) Agonist
d) Placebo
• Synergism occurs when combined drugs produce stronger effects together.
8. Which pregnancy category indicates the highest risk for fetal abnormalities?
a) B
b) C
c) D
d) X




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• Category X drugs are contraindicated in pregnancy due to proven fetal
harm.
9. A drug that binds to a receptor and produces a response is called:
a) Antagonist
b) Agonist
c) Inhibitor
d) Blocker
• Agonists activate receptors, mimicking natural body chemicals.
10. A patient develops hives after taking penicillin. This reaction is best
classified as:
a) Idiosyncratic
b) Allergic
c) Toxic
d) Synergistic
• Allergic reactions are immune responses, often presenting with rash,
itching, or anaphylaxis.


Safety & Nursing Responsibilities
11. What is the “six rights” of medication administration?
a) Patient, drug, dose, room, time, diet
b) Patient, drug, dose, effect, provider, frequency
c) Patient, drug, dose, route, time, documentation
d) Patient, drug, diet, education, storage, expiration
• The six rights prevent medication errors and ensure safe administration.
12. A nurse must verify a patient’s identity before giving medication by:
a) Asking the family
b) Checking two patient identifiers
c) Asking the patient’s roommate
d) Asking the physician
• Using two identifiers (e.g., name and DOB) reduces errors.




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