Is a drug with high affinity and low efficacy an agonist or an antagonist?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Is a drug with high affinity and low efficacy an agonist or an antagonist?

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Step 1: Introduction

A drug is a pharmacological substance administered into living organisms to produce certain biological effects. Drugs are prepared in various forms such as tablets, ointments, lotions, aqueous solutions, and creams.

The type of drug formulation depends on the desired route of administration and the target tissue. The bioavailability of drugs varies depending on the route of administration. For example, bioavailability of intravenously administered drug is higher than the drug orally adminstered.

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