Pharmacology Common Terms Flashcards
(55 cards)
What is pharmacology?
The study of drugs and their effects on the body.
True or False: Pharmacodynamics refers to how the body affects a drug.
False
What does pharmacokinetics study?
The absorption, distribution, metabolism, and excretion of drugs.
Fill in the blank: The _____ is the amount of drug that is available to the target tissue after administration.
bioavailability
What is the definition of ‘half-life’ in pharmacology?
The time it takes for the concentration of a drug in the bloodstream to decrease by half.
Multiple Choice: Which term describes the unintended effects of a drug? A) Therapeutic effects B) Side effects C) Adverse effects D) All of the above
D) All of the above
What does the term ‘therapeutic index’ refer to?
The ratio between the toxic dose and the therapeutic dose of a drug.
True or False: A drug with a high therapeutic index is considered safer than one with a low therapeutic index.
True
What is meant by ‘drug interaction’?
When the effects of one drug are altered by the presence of another drug.
Fill in the blank: The _____ route of administration delivers drugs directly into the bloodstream.
intravenous
What does ‘contraindication’ mean?
A specific situation in which a drug should not be used.
Multiple Choice: Which of the following is a common method of drug administration? A) Oral B) Intramuscular C) Subcutaneous D) All of the above
D) All of the above
What is the purpose of a loading dose?
To quickly achieve a therapeutic drug concentration in the bloodstream.
True or False: Generic drugs are always less effective than brand-name drugs.
False
What does the term ‘potency’ refer to in pharmacology?
The amount of drug needed to produce a desired effect.
Fill in the blank: _____ are chemical substances that bind to receptors and activate them.
Agonists
What is the role of an antagonist in pharmacology?
To block the action of agonists at receptor sites.
Multiple Choice: Which term describes the study of how drugs interact with living organisms? A) Toxicology B) Pharmacogenetics C) Pharmacodynamics D) Pharmacotherapy
C) Pharmacodynamics
What is ‘adverse drug reaction’?
An unwanted or harmful reaction experienced following the administration of a drug.
True or False: All medications have the potential for side effects.
True
What does ‘therapeutic effect’ mean?
The desired, beneficial effect of a drug.
Fill in the blank: The _____ is a standard measurement used to express the concentration of a drug in the body.
dosage
What is the ‘first-pass effect’?
The metabolism of a drug by the liver before it reaches systemic circulation.
Multiple Choice: Which of the following is NOT a route of drug elimination? A) Renal B) Fecal C) Pulmonary D) Dermal
D) Dermal