Key Terms Flashcards
What is the definition of pharmacology?
The study of drugs and their interactions with living organisms.
True or False: Pharmacokinetics refers to how the body affects a drug.
True
What is the term for the study of how drugs move through the body?
Pharmacokinetics
Fill in the blank: Pharmacodynamics is the study of how drugs affect _____.
the body
What is the name for a substance that blocks the action of a neurotransmitter?
Antagonist
Which term refers to the maximum effect a drug can produce regardless of dose?
Efficacy
What is the term for a drug that has a high potential for abuse and no accepted medical use?
Schedule I drug
True or False: Bioavailability refers to the fraction of an administered dose that reaches the systemic circulation.
True
What is the term for the process by which a drug is absorbed, distributed, metabolized, and eliminated by the body?
Pharmacokinetics
Fill in the blank: The study of how drugs work at the MOLECULAR LEVEL is called ________.
Pharmacodynamics
Which type of drug interaction occurs when the effects of two or more drugs combined are GREATER THAN THE SUM of their individual effects?
Synergistic interaction
What is the term for the study of the biochemical and physiological effects of drugs on the body?
Pharmacodynamics
True or False: A drug with a narrow therapeutic index has a wide margin of safety.
False
What is the term for the dose of a drug that is toxic to the body?
Toxic dose
Fill in the blank: An adverse drug reaction is an unintended, undesirable effect that occurs at a ________ dose.
normal
Which term refers to the study of how drugs are absorbed, distributed, metabolized, and excreted by the body?
Pharmacokinetics
What is the name for a drug that binds to a receptor and activates it to produce a biological response?
Agonist
True or False: The placebo effect is a real, physiological response that occurs in the absence of an active drug.
True
What is the term for the study of how drugs affect the body?
Pharmacodynamics
Fill in the blank: A drug’s ________ refers to the time it takes for the concentration of the drug in the blood to decrease by half.
half-life
Which type of drug interaction occurs when the effects of two or more drugs combined are less than the sum of their individual effects?
Antagonistic interaction
What is the term for the study of how drugs are absorbed, distributed, metabolized, and eliminated by the body?
Pharmacokinetics
True or False: A drug with a wide therapeutic index has a narrow margin of safety.
False
What is the term for the dose of a drug that is lethal to the body?
Lethal dose
Fill in the blank: A drug overdose is the accidental or intentional use of a drug or medicine in ________ amounts.
greater than recommended
Which term refers to the study of how drugs work at the molecular level?
Pharmacodynamics
What is the name for a substance that enhances the action of a neurotransmitter?
Agonist
True or False: Tolerance refers to the body’s ability to metabolize drugs quickly.
False
What is the term for the need to increase the dose of a drug to achieve the same effect?
Tolerance
Fill in the blank: Drug ________ is the process by which a drug moves from the site of administration into the blood.
absorption
Which type of drug interaction occurs when the effects of two or more drugs combined are equal to the sum of their individual effects?
Additive interaction
What is the term for the study of how the body affects a drug?
Pharmacokinetics
True or False: A drug with a high therapeutic index has a wide margin of safety.
True
What is the term for the dose of a drug that produces the desired effect in the body?
Effective dose
Fill in the blank: Drug ________ is the process by which a drug is distributed throughout the body.
distribution
Which term refers to the study of how drugs move through the body?
Pharmacokinetics
What is the name for a drug that binds to a receptor but does not activate it, blocking the receptor from being activated by other drugs?
Antagonist
True or False: Drug dependence refers to a physical need for a drug to function normally.
True
What is the term for the physiological or psychological need for a drug?
Drug dependence
Fill in the blank: Drug ________ is the process by which a drug is broken down and transformed by the body.
metabolism
True or False: Drug toxicity refers to the beneficial effects of a drug on the body.
False
What is the term for the harmful effects of a drug on the body?
Drug toxicity
Fill in the blank: Drug ________ is the process by which a drug leaves the body.
elimination
