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Pharmacology questions and answers
How does pharmacology differ from pharmacy
✔️✔️ Pharmacology studies drug effects on the body, while pharmacy focuses on preparing and
dispensing medications
What is the meaning of a drug
✔️✔️ A substance that alters normal body function
What is pharmacokinetics
✔️✔️ The study of how the body absorbs, distributes, metabolizes, and excretes drugs
What is pharmacodynamics
✔️✔️ The study of how drugs affect the body
What is a therapeutic effect
✔️✔️ The desired beneficial effect of a drug
What is an adverse effect
✔️✔️ An unwanted or harmful reaction to a drug
What is a side effect
✔️✔️ A secondary effect that may or may not be harmful
What is a toxic effect
✔️✔️ A harmful effect due to excessive drug levels
What is drug tolerance
✔️✔️ A decreased response to a drug after repeated use
What is drug dependence
✔️✔️ A condition where the body relies on a drug to function normally
What is drug addiction
✔️✔️ A compulsive need to use a drug despite harmful consequences
What is bioavailability
✔️✔️ The amount of drug that reaches systemic circulation
What is half-life of a drug
✔️✔️ The time it takes for half of the drug to be eliminated from the body
1
,What is a receptor
✔️✔️ A site on a cell where a drug binds to produce an effect
What is an agonist
✔️✔️ A drug that activates a receptor
What is an antagonist
✔️✔️ A drug that blocks a receptor
What is a loading dose
✔️✔️ An initial high dose given to quickly reach therapeutic levels
What is a maintenance dose
✔️✔️ A dose given regularly to maintain drug levels
What is metabolism
✔️✔️ The chemical breakdown of drugs in the body
Which organ is primarily responsible for drug metabolism
✔️✔️ The liver
What is excretion
✔️✔️ The removal of drugs from the body
Which organ mainly excretes drugs
✔️✔️ The kidneys
What is first-pass effect
✔️✔️ The reduction of drug concentration after metabolism in the liver
What is a narrow therapeutic index
✔️✔️ A small range between effective and toxic doses
What is a wide therapeutic index
✔️✔️ A large range between effective and toxic doses
What is drug interaction
✔️✔️ When one drug affects the action of another
What is synergistic effect
✔️✔️ When two drugs enhance each other's effects
What is antagonistic effect
✔️✔️ When one drug reduces the effect of another
2
, What is an allergic reaction
✔️✔️ An immune response to a drug
What is an idiosyncratic reaction
✔️✔️ An unusual and unpredictable response to a drug
What is contraindication
✔️✔️ A condition where a drug should not be used
What is indication
✔️✔️ The reason for using a drug
What is a generic name
✔️✔️ The official name of a drug
What is a brand name
✔️✔️ The commercial name given by a manufacturer
What is a prescription drug
✔️✔️ A drug that requires a doctor’s order
What is an over-the-counter drug
✔️✔️ A drug that can be bought without a prescription
What is a controlled substance
✔️✔️ A drug regulated due to potential for abuse
What is drug classification
✔️✔️ Grouping drugs based on their effects or structure
What is oral administration
✔️✔️ Taking a drug by mouth
What is intravenous administration
✔️✔️ Delivering a drug directly into a vein
What is intramuscular injection
✔️✔️ Injecting a drug into a muscle
What is subcutaneous injection
✔️✔️ Injecting a drug under the skin
What is topical administration
✔️✔️ Applying a drug to the skin
3
Pharmacology questions and answers
How does pharmacology differ from pharmacy
✔️✔️ Pharmacology studies drug effects on the body, while pharmacy focuses on preparing and
dispensing medications
What is the meaning of a drug
✔️✔️ A substance that alters normal body function
What is pharmacokinetics
✔️✔️ The study of how the body absorbs, distributes, metabolizes, and excretes drugs
What is pharmacodynamics
✔️✔️ The study of how drugs affect the body
What is a therapeutic effect
✔️✔️ The desired beneficial effect of a drug
What is an adverse effect
✔️✔️ An unwanted or harmful reaction to a drug
What is a side effect
✔️✔️ A secondary effect that may or may not be harmful
What is a toxic effect
✔️✔️ A harmful effect due to excessive drug levels
What is drug tolerance
✔️✔️ A decreased response to a drug after repeated use
What is drug dependence
✔️✔️ A condition where the body relies on a drug to function normally
What is drug addiction
✔️✔️ A compulsive need to use a drug despite harmful consequences
What is bioavailability
✔️✔️ The amount of drug that reaches systemic circulation
What is half-life of a drug
✔️✔️ The time it takes for half of the drug to be eliminated from the body
1
,What is a receptor
✔️✔️ A site on a cell where a drug binds to produce an effect
What is an agonist
✔️✔️ A drug that activates a receptor
What is an antagonist
✔️✔️ A drug that blocks a receptor
What is a loading dose
✔️✔️ An initial high dose given to quickly reach therapeutic levels
What is a maintenance dose
✔️✔️ A dose given regularly to maintain drug levels
What is metabolism
✔️✔️ The chemical breakdown of drugs in the body
Which organ is primarily responsible for drug metabolism
✔️✔️ The liver
What is excretion
✔️✔️ The removal of drugs from the body
Which organ mainly excretes drugs
✔️✔️ The kidneys
What is first-pass effect
✔️✔️ The reduction of drug concentration after metabolism in the liver
What is a narrow therapeutic index
✔️✔️ A small range between effective and toxic doses
What is a wide therapeutic index
✔️✔️ A large range between effective and toxic doses
What is drug interaction
✔️✔️ When one drug affects the action of another
What is synergistic effect
✔️✔️ When two drugs enhance each other's effects
What is antagonistic effect
✔️✔️ When one drug reduces the effect of another
2
, What is an allergic reaction
✔️✔️ An immune response to a drug
What is an idiosyncratic reaction
✔️✔️ An unusual and unpredictable response to a drug
What is contraindication
✔️✔️ A condition where a drug should not be used
What is indication
✔️✔️ The reason for using a drug
What is a generic name
✔️✔️ The official name of a drug
What is a brand name
✔️✔️ The commercial name given by a manufacturer
What is a prescription drug
✔️✔️ A drug that requires a doctor’s order
What is an over-the-counter drug
✔️✔️ A drug that can be bought without a prescription
What is a controlled substance
✔️✔️ A drug regulated due to potential for abuse
What is drug classification
✔️✔️ Grouping drugs based on their effects or structure
What is oral administration
✔️✔️ Taking a drug by mouth
What is intravenous administration
✔️✔️ Delivering a drug directly into a vein
What is intramuscular injection
✔️✔️ Injecting a drug into a muscle
What is subcutaneous injection
✔️✔️ Injecting a drug under the skin
What is topical administration
✔️✔️ Applying a drug to the skin
3
