Nursing Pharmacology (Drugs)
Questions and Answers 2025/2026
Verified
What is pharmacology in nursing?
Ans – Pharmacology is the study of drugs and their effects on the body, focusing on how
medications are used in the prevention, diagnosis, and treatment of diseases.
What is the main role of a nurse in pharmacology?
Ans – To ensure safe medication administration by understanding drug actions, interactions, side
effects, and correct dosages.
What are the five rights of medication administration?
Ans – Right patient, right drug, right dose, right route, and right time.
What is bioavailability?
Ans – The portion of a drug that enters circulation and is available to act on target tissues.
What is the difference between generic and brand names of drugs?
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,Ans – Generic names are the drug’s official chemical names, while brand names are given by
manufacturers for marketing.
What is the therapeutic effect of a drug?
Ans – The desired or intended effect of a medication on the body.
What is a side effect?
Ans – An unintended, often mild effect that occurs alongside the desired therapeutic effect.
What is an adverse drug reaction (ADR)?
Ans – A harmful, unintended response to a medication that occurs at normal doses.
What is drug tolerance?
Ans – A condition where the body becomes less responsive to a drug, requiring higher doses for
the same effect.
What is drug dependence?
Ans – A physical or psychological need to continue taking a drug.
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, What is the difference between pharmacokinetics and pharmacodynamics?
Ans – Pharmacokinetics studies how the body affects a drug (absorption, distribution,
metabolism, excretion), while pharmacodynamics studies how the drug affects the body.
What is half-life of a drug?
Ans – The time it takes for the concentration of a drug in the body to reduce by half.
What is the significance of the liver in drug metabolism?
Ans – The liver metabolizes drugs into forms that are easier to eliminate from the body.
Why is renal function important in pharmacology?
Ans – Because kidneys excrete drugs; impaired function can lead to drug toxicity.
What are controlled drugs?
Ans – Medications regulated by law due to their potential for abuse or addiction, such as
morphine and diazepam.
What is polypharmacy?
3|Page
Questions and Answers 2025/2026
Verified
What is pharmacology in nursing?
Ans – Pharmacology is the study of drugs and their effects on the body, focusing on how
medications are used in the prevention, diagnosis, and treatment of diseases.
What is the main role of a nurse in pharmacology?
Ans – To ensure safe medication administration by understanding drug actions, interactions, side
effects, and correct dosages.
What are the five rights of medication administration?
Ans – Right patient, right drug, right dose, right route, and right time.
What is bioavailability?
Ans – The portion of a drug that enters circulation and is available to act on target tissues.
What is the difference between generic and brand names of drugs?
1|Page
,Ans – Generic names are the drug’s official chemical names, while brand names are given by
manufacturers for marketing.
What is the therapeutic effect of a drug?
Ans – The desired or intended effect of a medication on the body.
What is a side effect?
Ans – An unintended, often mild effect that occurs alongside the desired therapeutic effect.
What is an adverse drug reaction (ADR)?
Ans – A harmful, unintended response to a medication that occurs at normal doses.
What is drug tolerance?
Ans – A condition where the body becomes less responsive to a drug, requiring higher doses for
the same effect.
What is drug dependence?
Ans – A physical or psychological need to continue taking a drug.
2|Page
, What is the difference between pharmacokinetics and pharmacodynamics?
Ans – Pharmacokinetics studies how the body affects a drug (absorption, distribution,
metabolism, excretion), while pharmacodynamics studies how the drug affects the body.
What is half-life of a drug?
Ans – The time it takes for the concentration of a drug in the body to reduce by half.
What is the significance of the liver in drug metabolism?
Ans – The liver metabolizes drugs into forms that are easier to eliminate from the body.
Why is renal function important in pharmacology?
Ans – Because kidneys excrete drugs; impaired function can lead to drug toxicity.
What are controlled drugs?
Ans – Medications regulated by law due to their potential for abuse or addiction, such as
morphine and diazepam.
What is polypharmacy?
3|Page
