RELIAS RN PHARMACOLOGY Exam Questions and Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

RELIAS RN PHARMACOLOGY Exam
Questions and Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf

Question 1
What is pharmacokinetics?
A. Drug effects on the body
B. Body’s effect on the drug
C. Drug manufacturing process
D. Drug storage in pharmacy
Correct Answer: B
Rationale:
Pharmacokinetics describes how the body absorbs, distributes, metabolizes, and
eliminates a drug.


Question 2
What is pharmacodynamics?
A. Body’s effect on drug
B. Drug effect on body
C. Drug packaging
D. Drug cost analysis
Correct Answer: B
Rationale:
Pharmacodynamics refers to how a drug produces its effects on the body.

,Question 3
Which route has the fastest drug absorption?
A. Oral
B. Intramuscular
C. Intravenous
D. Subcutaneous
Correct Answer: C
Rationale:
IV administration delivers drugs directly into bloodstream.


Question 4
Which route undergoes first-pass metabolism?
A. IV
B. Oral
C. Topical
D. Inhalation
Correct Answer: B
Rationale:
Oral drugs pass through the liver before systemic circulation.


Question 5
What organ is primarily responsible for drug metabolism?
A. Heart
B. Liver
C. Kidney
D. Lung
Correct Answer: B

,Rationale:
The liver metabolizes most medications via enzymes.


Question 6
What is drug elimination mainly done by?
A. Liver
B. Kidney
C. Skin
D. Bone marrow
Correct Answer: B
Rationale:
The kidneys excrete most drugs through urine.


Question 7
What is bioavailability?
A. Amount of drug excreted
B. Fraction of drug reaching circulation
C. Drug toxicity level
D. Drug half-life
Correct Answer: B
Rationale:
Bioavailability is the portion of drug that enters systemic circulation.


Question 8
Half-life refers to:
A. Time for drug to peak
B. Time for drug to reduce by 50%

, C. Time for drug absorption
D. Time for drug metabolism
Correct Answer: B
Rationale:
Half-life is the time required for plasma drug concentration to decrease by half.


Question 9
Steady state occurs when:
A. Drug is eliminated completely
B. Drug intake equals elimination
C. Drug is toxic
D. Drug is inactive
Correct Answer: B
Rationale:
Steady state is when drug administration rate equals elimination rate.


Question 10
What is a loading dose?
A. Small maintenance dose
B. Initial higher dose to reach therapeutic level quickly
C. Toxic dose
D. Placebo dose
Correct Answer: B
Rationale:
A loading dose rapidly achieves therapeutic drug levels.


Question 11