Key Terms Flashcards

1
Q

What is the definition of pharmacology?

A

The study of drugs and their interactions with living organisms.

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2
Q

True or False: Pharmacokinetics refers to how the body affects a drug.

A

True

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3
Q

What is the term for the study of how drugs move through the body?

A

Pharmacokinetics

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4
Q

Fill in the blank: Pharmacodynamics is the study of how drugs affect _____.

A

the body

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5
Q

What is the name for a substance that blocks the action of a neurotransmitter?

A

Antagonist

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6
Q

Which term refers to the maximum effect a drug can produce regardless of dose?

A

Efficacy

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7
Q

What is the term for a drug that has a high potential for abuse and no accepted medical use?

A

Schedule I drug

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8
Q

True or False: Bioavailability refers to the fraction of an administered dose that reaches the systemic circulation.

A

True

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9
Q

What is the term for the process by which a drug is absorbed, distributed, metabolized, and eliminated by the body?

A

Pharmacokinetics

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10
Q

Fill in the blank: The study of how drugs work at the MOLECULAR LEVEL is called ________.

A

Pharmacodynamics

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11
Q

Which type of drug interaction occurs when the effects of two or more drugs combined are GREATER THAN THE SUM of their individual effects?

A

Synergistic interaction

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12
Q

What is the term for the study of the biochemical and physiological effects of drugs on the body?

A

Pharmacodynamics

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13
Q

True or False: A drug with a narrow therapeutic index has a wide margin of safety.

A

False

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14
Q

What is the term for the dose of a drug that is toxic to the body?

A

Toxic dose

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15
Q

Fill in the blank: An adverse drug reaction is an unintended, undesirable effect that occurs at a ________ dose.

A

normal

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16
Q

Which term refers to the study of how drugs are absorbed, distributed, metabolized, and excreted by the body?

A

Pharmacokinetics

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17
Q

What is the name for a drug that binds to a receptor and activates it to produce a biological response?

A

Agonist

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18
Q

True or False: The placebo effect is a real, physiological response that occurs in the absence of an active drug.

A

True

19
Q

What is the term for the study of how drugs affect the body?

A

Pharmacodynamics

20
Q

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.

A

half-life

21
Q

Which type of drug interaction occurs when the effects of two or more drugs combined are less than the sum of their individual effects?

A

Antagonistic interaction

22
Q

What is the term for the study of how drugs are absorbed, distributed, metabolized, and eliminated by the body?

A

Pharmacokinetics

23
Q

True or False: A drug with a wide therapeutic index has a narrow margin of safety.

A

False

24
Q

What is the term for the dose of a drug that is lethal to the body?

A

Lethal dose

25
Q

Fill in the blank: A drug overdose is the accidental or intentional use of a drug or medicine in ________ amounts.

A

greater than recommended

26
Q

Which term refers to the study of how drugs work at the molecular level?

A

Pharmacodynamics

27
Q

What is the name for a substance that enhances the action of a neurotransmitter?

A

Agonist

28
Q

True or False: Tolerance refers to the body’s ability to metabolize drugs quickly.

A

False

29
Q

What is the term for the need to increase the dose of a drug to achieve the same effect?

A

Tolerance

30
Q

Fill in the blank: Drug ________ is the process by which a drug moves from the site of administration into the blood.

A

absorption

31
Q

Which type of drug interaction occurs when the effects of two or more drugs combined are equal to the sum of their individual effects?

A

Additive interaction

32
Q

What is the term for the study of how the body affects a drug?

A

Pharmacokinetics

33
Q

True or False: A drug with a high therapeutic index has a wide margin of safety.

A

True

34
Q

What is the term for the dose of a drug that produces the desired effect in the body?

A

Effective dose

35
Q

Fill in the blank: Drug ________ is the process by which a drug is distributed throughout the body.

A

distribution

36
Q

Which term refers to the study of how drugs move through the body?

A

Pharmacokinetics

37
Q

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?

A

Antagonist

38
Q

True or False: Drug dependence refers to a physical need for a drug to function normally.

A

True

39
Q

What is the term for the physiological or psychological need for a drug?

A

Drug dependence

40
Q

Fill in the blank: Drug ________ is the process by which a drug is broken down and transformed by the body.

A

metabolism

41
Q

True or False: Drug toxicity refers to the beneficial effects of a drug on the body.

A

False

42
Q

What is the term for the harmful effects of a drug on the body?

A

Drug toxicity

43
Q

Fill in the blank: Drug ________ is the process by which a drug leaves the body.

A

elimination