1|Page
WGU D398 OBJECTIVE ASSESSMENT NEWEST 2026 TEST BANK|
D398 INTRODUCTION TO PHARMACOLOGY OA EXAMS REVIEWS
WITH COMPLETE REAL EXAM QUESTIONS AND CORRECT
VERIFIED ANSWERS/ ALREADY GRADED A+ (MOST RECENT!!)
1. A nurse is preparing to administer an oral medication to an older
adult with chronic liver disease. Which pharmacokinetic process is most
likely to be impaired, increasing the patient's risk of drug toxicity?
A. Drug absorption
B. Drug metabolism
C. Drug excretion
D. Drug distribution
Answer: B. Drug metabolism
Rationale: The liver is the primary site of drug metabolism. Impaired
liver function slows the breakdown of many medications, increasing
blood concentrations and the risk of adverse effects.
2. A healthcare professional reviews a patient's medication list before
administering a newly prescribed antibiotic. Which medication
administration principle is being demonstrated?
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A. Right documentation
B. Right response
C. Right assessment
D. Prevention of medication interactions
Answer: D. Prevention of medication interactions
Rationale: Reviewing all current medications helps identify potential
drug-drug interactions before administering a new medication,
improving patient safety.
3. Which federal legislation established the classification system for
controlled substances based on abuse potential and accepted medical
use?
A. Pure Food and Drug Act of 1906
B. Federal Food, Drug, and Cosmetic Act of 1938
C. Controlled Substances Act of 1970
D. Drug Price Competition and Patent Term Restoration Act
Answer: C. Controlled Substances Act of 1970
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Rationale: The Controlled Substances Act created Schedules I through
V to regulate medications with abuse potential.
4. A patient asks why the pharmacist substituted a generic medication
for the prescribed brand-name drug. Which response is most accurate?
A. Generic drugs are less effective but significantly cheaper.
B. Generic drugs must demonstrate bioequivalence to the brand-name
medication.
C. Generic drugs contain different active ingredients.
D. Generic drugs are not reviewed by regulatory agencies.
Answer: B. Generic drugs must demonstrate bioequivalence to the
brand-name medication.
Rationale: FDA-approved generic medications contain the same active
ingredient, dosage form, strength, and therapeutic effectiveness as
the brand-name drug.
5. Which route of medication administration generally produces the
fastest systemic therapeutic effect during an emergency?
A. Oral
B. Intramuscular
WGU D398 OBJECTIVE ASSESSMENT NEWEST 2026 TEST BANK|
D398 INTRODUCTION TO PHARMACOLOGY OA EXAMS REVIEWS
WITH COMPLETE REAL EXAM QUESTIONS AND CORRECT
VERIFIED ANSWERS/ ALREADY GRADED A+ (MOST RECENT!!)
1. A nurse is preparing to administer an oral medication to an older
adult with chronic liver disease. Which pharmacokinetic process is most
likely to be impaired, increasing the patient's risk of drug toxicity?
A. Drug absorption
B. Drug metabolism
C. Drug excretion
D. Drug distribution
Answer: B. Drug metabolism
Rationale: The liver is the primary site of drug metabolism. Impaired
liver function slows the breakdown of many medications, increasing
blood concentrations and the risk of adverse effects.
2. A healthcare professional reviews a patient's medication list before
administering a newly prescribed antibiotic. Which medication
administration principle is being demonstrated?
,2|Page
A. Right documentation
B. Right response
C. Right assessment
D. Prevention of medication interactions
Answer: D. Prevention of medication interactions
Rationale: Reviewing all current medications helps identify potential
drug-drug interactions before administering a new medication,
improving patient safety.
3. Which federal legislation established the classification system for
controlled substances based on abuse potential and accepted medical
use?
A. Pure Food and Drug Act of 1906
B. Federal Food, Drug, and Cosmetic Act of 1938
C. Controlled Substances Act of 1970
D. Drug Price Competition and Patent Term Restoration Act
Answer: C. Controlled Substances Act of 1970
, 3|Page
Rationale: The Controlled Substances Act created Schedules I through
V to regulate medications with abuse potential.
4. A patient asks why the pharmacist substituted a generic medication
for the prescribed brand-name drug. Which response is most accurate?
A. Generic drugs are less effective but significantly cheaper.
B. Generic drugs must demonstrate bioequivalence to the brand-name
medication.
C. Generic drugs contain different active ingredients.
D. Generic drugs are not reviewed by regulatory agencies.
Answer: B. Generic drugs must demonstrate bioequivalence to the
brand-name medication.
Rationale: FDA-approved generic medications contain the same active
ingredient, dosage form, strength, and therapeutic effectiveness as
the brand-name drug.
5. Which route of medication administration generally produces the
fastest systemic therapeutic effect during an emergency?
A. Oral
B. Intramuscular
