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DHA Veterinary (DHA-VET) Practice Exams & Test Prep

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DHA DHA-VET Practice Test Features

Everything you need to pass your certification exam!

The more you know about the DHA Veterinary exam the better prepared you will be! Our practice tests are designed to help you master both the subject matter and the art of test-taking to be sure you are fully prepared for your exam.

Here are a few things to think about:

What is the DHA Veterinary certification exam?
Who is Responsible for the DHA exam?
Am I eligibility for the DHA Veterinary Exam?
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The benefits of using Exam Edge to pass your DHA Veterinary exam.

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DHA Veterinary Sample Test

1 of 5

Modification of a drug by living organisms is known as which of the following?

Correct Answer:

biotransformation

otransformation. biotransformation refers to the chemical alterations that a drug undergoes within the body, primarily through enzymatic actions. this process is crucial because it often determines the pharmacological activity and toxicity of the drug, as well as its elimination from the body.

the primary site for biotransformation is the liver, although other organs such as the kidneys, lungs, and intestines also play a role. enzymes found in these organs, particularly the cytochrome p450 family of enzymes in the liver, are responsible for catalyzing various chemical reactions that modify drugs. these reactions include oxidation, reduction, hydrolysis, and conjugation.

biotransformation can lead to three possible outcomes for a drug: it can be converted into an inactive metabolite, which is then excreted from the body; it can be transformed into an active metabolite that may have the same or different therapeutic effect as the original drug; or it can be converted into a toxic metabolite, which might lead to adverse effects. understanding the biotransformation of drugs is essential for drug development and for the safe and effective use of medications in clinical practice.

the study of biotransformation is a key aspect of pharmacokinetics, which is the branch of pharmacology concerned with the movement of drugs within the body. by examining how drugs are absorbed, distributed, metabolized, and excreted, scientists can optimize drug dosages, reduce potential side effects, and enhance therapeutic efficacy. biotransformation is therefore pivotal in tailoring drug treatments to individual needs and improving overall outcomes in medical treatments.