NU 578
NU 578 Unit 1 Exam| Questions and Answers
|with Detailed Rationales| 2026 Graded A+
1.
Pharmacology is the study of:
A. Diseases only
B. Drugs and their effects on the body
C. Surgery
D. Nutrition
Rationale:
Pharmacology focuses on how drugs interact with biological systems, including their
mechanisms, uses, and effects.
2.
Which name is assigned by the manufacturer?
A. Generic name
B. Brand name
C. Chemical name
D. Scientific name
Rationale:
The brand (trade) name is given by the pharmaceutical company for marketing purposes (e.g.,
Panadol).
3.
Which name is standardized and universally accepted?
A. Generic name
B. Brand name
C. Chemical name
D. Trade name
NU 578
, NU 578
Rationale:
Generic names are official and used worldwide (e.g., paracetamol), reducing confusion.
4.
The chemical name describes:
A. Drug cost
B. Drug effect
C. Molecular structure
D. Drug brand
Rationale:
It reflects the exact chemical composition of the drug, often complex and not commonly used in
practice.
5.
Which organization regulates drug approval in the U.S.?
A. WHO
B. FDA (Food and Drug Administration)
C. CDC
D. NIH
Rationale:
The FDA ensures drug safety, efficacy, and quality before approval.
6.
Before human trials, drugs undergo:
A. Phase IV trials
B. Preclinical testing
C. Post-marketing
D. Clinical trials
Rationale:
Preclinical studies test drugs in labs and animals for safety and biological activity.
NU 578
NU 578 Unit 1 Exam| Questions and Answers
|with Detailed Rationales| 2026 Graded A+
1.
Pharmacology is the study of:
A. Diseases only
B. Drugs and their effects on the body
C. Surgery
D. Nutrition
Rationale:
Pharmacology focuses on how drugs interact with biological systems, including their
mechanisms, uses, and effects.
2.
Which name is assigned by the manufacturer?
A. Generic name
B. Brand name
C. Chemical name
D. Scientific name
Rationale:
The brand (trade) name is given by the pharmaceutical company for marketing purposes (e.g.,
Panadol).
3.
Which name is standardized and universally accepted?
A. Generic name
B. Brand name
C. Chemical name
D. Trade name
NU 578
, NU 578
Rationale:
Generic names are official and used worldwide (e.g., paracetamol), reducing confusion.
4.
The chemical name describes:
A. Drug cost
B. Drug effect
C. Molecular structure
D. Drug brand
Rationale:
It reflects the exact chemical composition of the drug, often complex and not commonly used in
practice.
5.
Which organization regulates drug approval in the U.S.?
A. WHO
B. FDA (Food and Drug Administration)
C. CDC
D. NIH
Rationale:
The FDA ensures drug safety, efficacy, and quality before approval.
6.
Before human trials, drugs undergo:
A. Phase IV trials
B. Preclinical testing
C. Post-marketing
D. Clinical trials
Rationale:
Preclinical studies test drugs in labs and animals for safety and biological activity.
NU 578
