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Straighterline Pharmacology Exam 1 Questions and Answers | Latest Version | 2024/2025 | 100% Verified $9.75   Add to cart

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Straighterline Pharmacology Exam 1 Questions and Answers | Latest Version | 2024/2025 | 100% Verified

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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...

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  • August 30, 2024
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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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