TEST BANK PHAMACOLOGY CLEAR AND SIMPLE A
GUIDE TO MEDICATION CLASSIFICATION AND
DOSAGE CALCULATION 15 EDITION LATEST
VERSION 2025/2026 ]{A+} EXAM QUESTIONS AND
CORRECT ANSWERS ( 100%verified answers) Q & A
2026 /INSTANT DOWNLOAD PDF
1. Which of the following is the primary purpose of pharmacology?
A. To diagnose diseases
B. To study drug effects on living systems
C. To perform surgical procedures
D. To replace nursing care
Answer: B
Rationale: Pharmacology focuses on how drugs interact with biological systems,
including therapeutic effects and side effects.
2. A drug that reduces pain is classified as:
A. Antipyretic
B. Analgesic
C. Antihypertensive
D. Anticoagulant
Answer: B
Rationale: Analgesics are medications specifically used to relieve pain.
3. Which route provides the fastest drug absorption?
,A. Oral
B. Subcutaneous
C. Intravenous
D. Intramuscular
Answer: C
Rationale: Intravenous administration delivers drugs directly into the bloodstream
for immediate effect.
4. What is the first step in the nursing process when administering medication?
A. Evaluation
B. Implementation
C. Assessment
D. Diagnosis
Answer: C
Rationale: Assessment ensures correct patient identification, allergies, and
baseline data before drug administration.
5. Which term describes the ability of a drug to produce its intended effect?
A. Toxicity
B. Efficacy
C. Tolerance
D. Half-life
Answer: B
Rationale: Efficacy refers to the maximum therapeutic effect a drug can produce.
6. A medication order reads: 500 mg PO. What does PO mean?
A. By injection
B. By mouth
,C. Under the tongue
D. Topical application
Answer: B
Rationale: PO is the abbreviation for “per os,” meaning oral administration.
7. Which organ is primarily responsible for drug metabolism?
A. Kidney
B. Liver
C. Heart
D. Lungs
Answer: B
Rationale: The liver metabolizes most drugs into inactive or active metabolites.
8. A drug that lowers body temperature is called:
A. Antipyretic
B. Antiemetic
C. Antacid
D. Antifungal
Answer: A
Rationale: Antipyretics are used to reduce fever.
9. What is the most common route of drug administration?
A. Intravenous
B. Oral
C. Intramuscular
D. Subcutaneous
, Answer: B
Rationale: Oral administration is the most common due to convenience and safety.
10. What does the term “half-life” refer to?
A. Time for drug absorption
B. Time for half the drug to be eliminated
C. Time for drug to take effect
D. Time for drug distribution
Answer: B
Rationale: Half-life is the time required for the concentration of a drug to reduce
by 50%.
11. Which of the following is a controlled substance?
A. Antibiotics
B. Narcotics
C. Antacids
D. Vitamins
Answer: B
Rationale: Narcotics are controlled due to their potential for dependence and
abuse.
12. The abbreviation “PRN” means:
A. Before meals
B. As needed
C. After meals
D. At bedtime
Answer: B
Rationale: PRN stands for “pro re nata,” meaning medication is given as needed.
GUIDE TO MEDICATION CLASSIFICATION AND
DOSAGE CALCULATION 15 EDITION LATEST
VERSION 2025/2026 ]{A+} EXAM QUESTIONS AND
CORRECT ANSWERS ( 100%verified answers) Q & A
2026 /INSTANT DOWNLOAD PDF
1. Which of the following is the primary purpose of pharmacology?
A. To diagnose diseases
B. To study drug effects on living systems
C. To perform surgical procedures
D. To replace nursing care
Answer: B
Rationale: Pharmacology focuses on how drugs interact with biological systems,
including therapeutic effects and side effects.
2. A drug that reduces pain is classified as:
A. Antipyretic
B. Analgesic
C. Antihypertensive
D. Anticoagulant
Answer: B
Rationale: Analgesics are medications specifically used to relieve pain.
3. Which route provides the fastest drug absorption?
,A. Oral
B. Subcutaneous
C. Intravenous
D. Intramuscular
Answer: C
Rationale: Intravenous administration delivers drugs directly into the bloodstream
for immediate effect.
4. What is the first step in the nursing process when administering medication?
A. Evaluation
B. Implementation
C. Assessment
D. Diagnosis
Answer: C
Rationale: Assessment ensures correct patient identification, allergies, and
baseline data before drug administration.
5. Which term describes the ability of a drug to produce its intended effect?
A. Toxicity
B. Efficacy
C. Tolerance
D. Half-life
Answer: B
Rationale: Efficacy refers to the maximum therapeutic effect a drug can produce.
6. A medication order reads: 500 mg PO. What does PO mean?
A. By injection
B. By mouth
,C. Under the tongue
D. Topical application
Answer: B
Rationale: PO is the abbreviation for “per os,” meaning oral administration.
7. Which organ is primarily responsible for drug metabolism?
A. Kidney
B. Liver
C. Heart
D. Lungs
Answer: B
Rationale: The liver metabolizes most drugs into inactive or active metabolites.
8. A drug that lowers body temperature is called:
A. Antipyretic
B. Antiemetic
C. Antacid
D. Antifungal
Answer: A
Rationale: Antipyretics are used to reduce fever.
9. What is the most common route of drug administration?
A. Intravenous
B. Oral
C. Intramuscular
D. Subcutaneous
, Answer: B
Rationale: Oral administration is the most common due to convenience and safety.
10. What does the term “half-life” refer to?
A. Time for drug absorption
B. Time for half the drug to be eliminated
C. Time for drug to take effect
D. Time for drug distribution
Answer: B
Rationale: Half-life is the time required for the concentration of a drug to reduce
by 50%.
11. Which of the following is a controlled substance?
A. Antibiotics
B. Narcotics
C. Antacids
D. Vitamins
Answer: B
Rationale: Narcotics are controlled due to their potential for dependence and
abuse.
12. The abbreviation “PRN” means:
A. Before meals
B. As needed
C. After meals
D. At bedtime
Answer: B
Rationale: PRN stands for “pro re nata,” meaning medication is given as needed.
