Excretion is how the body gets rid of the drug waste. This happens mostly through the via urine, though some drug remnants leave through bile, feces, sweat, or exhaled air. 2. Pharmacodynamics: How Drugs Work
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How the drug enters the bloodstream (e.g., via the gut or skin). Distribution: pharmacology for dummies pdf
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Drugs don't work by magic; they work by binding to receptors. Imagine the receptor is a lock on a cell door. The drug is the key.
Excretion: How the drug leaves the body. Most waste products exit through the kidneys (urine) or the GI tract. Pharmacodynamics: The "Key and Lock" Model Excretion is how the body gets rid of the drug waste
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While pharmacokinetics is about movement, pharmacodynamics is about action. It explains the biochemical and physiological effects of drugs. Receptors: The Lock and Key
IV drugs bypass absorption entirely and enter the bloodstream immediately, making them the fastest-acting. Oral drugs must pass through the digestive system, making them slower. Distribution Once in the blood, the drug travels to its target site. Pharmacodynamics: How Drugs Work If you are looking
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“The parasympathomimetic agent mimics acetylcholine, thereby inducing muscarinic effects, whereas the nicotinic receptors…”
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Nursing Considerations: What to monitor (like heart rate or blood sugar) after giving the dose.
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