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Questions and Answers
How does a drug interaction occur?
How does a drug interaction occur?
- When a drug interacts with food or beverages, affecting its absorption or metabolism in the body
- When a drug interacts with a person's genetic makeup, causing a different response to the drug
- When a drug interacts with environmental factors, such as pollution or climate, affecting its efficacy
- When two or more drugs interact with each other in the body, potentially affecting their effectiveness or causing adverse effects (correct)
What is a drug interaction?
What is a drug interaction?
- When two or more drugs interact with each other in the body, potentially affecting their effectiveness or causing adverse effects (correct)
- When a drug interacts with food or beverages, affecting its absorption or metabolism in the body
- When a drug interacts with environmental factors, such as pollution or climate, affecting its efficacy
- When a drug interacts with a person's genetic makeup, causing a different response to the drug
What can cause a drug interaction?
What can cause a drug interaction?
- When a drug is taken with herbal supplements
- When a drug is taken with an empty stomach
- When a drug interacts with environmental factors, such as pollution or climate, affecting its efficacy
- When a drug interacts with a person's genetic makeup, causing a different response to the drug (correct)
Which of the following is a consideration for a drug to interact with specific receptors?
Which of the following is a consideration for a drug to interact with specific receptors?
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What is the focus of pharmacodynamics?
What is the focus of pharmacodynamics?
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Why should a drug be inactivated or excreted from the body at a reasonable rate?
Why should a drug be inactivated or excreted from the body at a reasonable rate?
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Study Notes
Drug Interactions
- A drug interaction occurs when a substance affects the activity of a drug, leading to an altered response or effect.
- A drug interaction can be defined as the modification of the effect of one drug by another drug or substance.
Causes of Drug Interactions
- Drug interactions can be caused by various factors, including pharmacokinetic interactions (absorption, distribution, metabolism, and excretion), pharmacodynamic interactions (effects on target receptors), and pharmaceutical interactions (excipients and formulation).
- Genetic variations, age, and underlying medical conditions can also contribute to drug interactions.
Pharmacodynamics
- The focus of pharmacodynamics is the study of the effects of drugs on the body.
- A consideration for a drug to interact with specific receptors is its affinity for the receptor and the binding capacity.
Drug Elimination
- A drug should be inactivated or excreted from the body at a reasonable rate to prevent accumulation and potential toxicity.
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