NR293 EXAM 1 QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) Q&A 2026/2027
INSTANT DOWNLOAD PDF
1. A nurse is teaching a client about the purpose of
pharmacology. Which statement best describes
pharmacology?
A. The study of body structures
B. The study of drugs and their effects on living organisms
C. The study of disease processes
D. The study of surgical procedures
Correct Answer: B. The study of drugs and their effects on
living organisms
Rationale: Pharmacology is the science that examines
medications, their actions, uses, adverse effects, and
interactions within the body.
2. Which phase of pharmacokinetics describes the movement
of a drug from the bloodstream into body tissues?
A. Absorption
B. Distribution
C. Metabolism
D. Excretion
,Correct Answer: B. Distribution
Rationale: Distribution occurs when a drug travels from the
bloodstream to tissues and organs.
3. The nurse understands that absorption refers to which
process?
A. Removal of drugs from the body
B. Breakdown of drugs by the liver
C. Movement of a drug into the bloodstream
D. Binding of drugs to receptors
Correct Answer: C. Movement of a drug into the bloodstream
Rationale: Absorption is the process by which a medication
enters systemic circulation.
4. Which organ is primarily responsible for drug metabolism?
A. Kidney
B. Heart
C. Liver
D. Lung
Correct Answer: C. Liver
Rationale: The liver contains enzymes that metabolize many
medications, especially through the cytochrome P450 system.
,5. A nurse explains that excretion of most medications occurs
through which organ?
A. Skin
B. Kidney
C. Pancreas
D. Stomach
Correct Answer: B. Kidney
Rationale: The kidneys filter and remove many drugs and their
metabolites through urine.
6. Which term describes the amount of time required for half
of a drug dose to be eliminated from the body?
A. Peak level
B. Half-life
C. Therapeutic range
D. Onset of action
Correct Answer: B. Half-life
Rationale: Half-life indicates how long it takes for the body to
eliminate 50% of a medication.
7. A medication’s therapeutic effect occurs when the drug
concentration is within the:
, A. Toxic range
B. Therapeutic range
C. Allergy range
D. Minimum absorption range
Correct Answer: B. Therapeutic range
Rationale: The therapeutic range is the concentration where a
medication provides benefit without causing unacceptable
harm.
8. Which medication name is assigned by the manufacturer
and is protected by trademark?
A. Generic name
B. Chemical name
C. Brand name
D. Classification name
Correct Answer: C. Brand name
Rationale: A brand name is the proprietary name given by a
pharmaceutical company.
9. Which medication name is universally recognized and not
owned by a company?
A. Trade name
B. Brand name
ANSWERS (VERIFIED ANSWERS) Q&A 2026/2027
INSTANT DOWNLOAD PDF
1. A nurse is teaching a client about the purpose of
pharmacology. Which statement best describes
pharmacology?
A. The study of body structures
B. The study of drugs and their effects on living organisms
C. The study of disease processes
D. The study of surgical procedures
Correct Answer: B. The study of drugs and their effects on
living organisms
Rationale: Pharmacology is the science that examines
medications, their actions, uses, adverse effects, and
interactions within the body.
2. Which phase of pharmacokinetics describes the movement
of a drug from the bloodstream into body tissues?
A. Absorption
B. Distribution
C. Metabolism
D. Excretion
,Correct Answer: B. Distribution
Rationale: Distribution occurs when a drug travels from the
bloodstream to tissues and organs.
3. The nurse understands that absorption refers to which
process?
A. Removal of drugs from the body
B. Breakdown of drugs by the liver
C. Movement of a drug into the bloodstream
D. Binding of drugs to receptors
Correct Answer: C. Movement of a drug into the bloodstream
Rationale: Absorption is the process by which a medication
enters systemic circulation.
4. Which organ is primarily responsible for drug metabolism?
A. Kidney
B. Heart
C. Liver
D. Lung
Correct Answer: C. Liver
Rationale: The liver contains enzymes that metabolize many
medications, especially through the cytochrome P450 system.
,5. A nurse explains that excretion of most medications occurs
through which organ?
A. Skin
B. Kidney
C. Pancreas
D. Stomach
Correct Answer: B. Kidney
Rationale: The kidneys filter and remove many drugs and their
metabolites through urine.
6. Which term describes the amount of time required for half
of a drug dose to be eliminated from the body?
A. Peak level
B. Half-life
C. Therapeutic range
D. Onset of action
Correct Answer: B. Half-life
Rationale: Half-life indicates how long it takes for the body to
eliminate 50% of a medication.
7. A medication’s therapeutic effect occurs when the drug
concentration is within the:
, A. Toxic range
B. Therapeutic range
C. Allergy range
D. Minimum absorption range
Correct Answer: B. Therapeutic range
Rationale: The therapeutic range is the concentration where a
medication provides benefit without causing unacceptable
harm.
8. Which medication name is assigned by the manufacturer
and is protected by trademark?
A. Generic name
B. Chemical name
C. Brand name
D. Classification name
Correct Answer: C. Brand name
Rationale: A brand name is the proprietary name given by a
pharmaceutical company.
9. Which medication name is universally recognized and not
owned by a company?
A. Trade name
B. Brand name
