Free Nursing Pharmacology Review Course – Pharmacokinetics – Section 1.4
Real Life Pharmacology - Pharmacology Education for Health Care Professionals
Eric Christianson, PharmD; Pharmacology Expert and Clinical Pharmacist
4.9 • 773 Ratings
🗓️ 25 January 2026
⏱️ 27 minutes
🧾️ Download transcript
Summary
Pharmacokinetics explains what the body does to a medication—and for nurses, it’s essential to understanding how and why drugs work differently from one patient to the next. Absorption, distribution, metabolism, and excretion all influence onset, duration, and safety of therapy at the bedside. In this episode, we’ll break down pharmacokinetics with a nursing lens, tying key concepts to real-world scenarios like renal impairment, IV versus oral dosing, and timing of medication administration. The goal is to make pharmacokinetics practical, approachable, and directly relevant to everyday nursing care.
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Transcript
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| 0:00.0 | I hope you enjoy this review and find it helpful in your studies. You can get full ad-free access to the Med-Ead-101 |
| 0:08.8 | Nursing Pharmacology Review course at Med-Ead-101.com slash nurse. Med-Ead 101's Nursing Pharmacology Review |
| 0:18.0 | course is built to make meds finally click. |
| 0:21.6 | You'll get nearly 20 hours of ad-free, on-demand video lessons, |
| 0:26.3 | downloadable slides you can study from, |
| 0:28.6 | over 40 cheat sheets and study guides, |
| 0:31.3 | and practice questions to assess what you know. |
| 0:34.9 | Whether you're preparing for exams or building real-world confidence, this |
| 0:39.4 | course is designed by pharmacology experts for nurses. Stop memorizing, start understanding |
| 0:45.8 | pharmacology at meded101.com slash nurse. In this section, I'm going to cover some basics on pharmacokinetics as they pertain to |
| 0:56.9 | medication use. All right, ADMI. This is a very important acronym to remember. Absorption, distribution, |
| 1:06.7 | metabolism, and elimination. These are all important processes that essentially what the body does |
| 1:17.3 | to medication. So absorption is that initial taking in of the medication, getting it to the bloodstream. |
| 1:24.1 | Distribution is where that bloodstream takes it. Does it get to the brain? Does it get to the |
| 1:28.7 | site of action or wherever that may be? Metabolism is how medications are broken down. This is |
| 1:35.2 | primarily by the liver. And of course, elimination is generally described as getting rid of that |
| 1:42.4 | drug out through the urine or excretion as another name for that. |
| 1:47.6 | Half-life is going to be an important term to remember. |
| 1:49.9 | This is basically how long the drug lasts. |
| 1:54.0 | More definitionally, it's the amount of time that it takes the body to eliminate half the drug in the body. |
| 2:06.1 | So let's say you got 50 milligrams per liter. |
| 2:12.9 | That's the current concentration. |
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