Straighterline Pharmacology Exam 1 Questions and Answers | Latest Version | 2024/2025 | 100% Verified
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Straighterline Pharmacology
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Straighterline Pharmacology
Straighterline Pharmacology Exam 1
Questions and Answers | Latest Version
| 2024/2025 | 100% Verified
What is pharmacokinetics?
Pharmacokinetics is the study of how drugs are absorbed, distributed, metabolized, and
excreted in the body.
What are the four main processes of pharmacokin...
Straighterline Pharmacology Exam 1
Questions and Answers | Latest Version
| 2024/2025 | 100% Verified
What is pharmacokinetics?
✔✔ Pharmacokinetics is the study of how drugs are absorbed, distributed, metabolized, and
excreted in the body.
What are the four main processes of pharmacokinetics?
✔✔ The four main processes are absorption, distribution, metabolism, and excretion.
How does the first-pass effect impact drug bioavailability?
✔✔ The first-pass effect reduces the amount of drug that reaches systemic circulation due to
metabolism in the liver before it enters the bloodstream.
What is the difference between a drug’s efficacy and its potency?
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, ✔✔ Efficacy refers to the maximum effect a drug can produce, while potency refers to the
amount of drug needed to produce a given effect.
What is the role of cytochrome P450 enzymes in drug metabolism?
✔✔ Cytochrome P450 enzymes are involved in the oxidation of drugs, facilitating their
metabolism and elimination from the body.
What is meant by the term "half-life" of a drug?
✔✔ Half-life is the time required for the concentration of a drug in the bloodstream to decrease
by half.
How do competitive antagonists affect receptor activity?
✔✔ Competitive antagonists block the binding of agonists to receptors, preventing the activation
of the receptor.
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