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Pharmacology Chapter 4: Brain Region and Drug Addiction

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Pharmacology Chapter 4: Brain Region and Drug Addiction

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Questions and Answers

Which organ plays a major role in drug metabolism?

Kidneys

Liver (correct)

Brain

Lungs

What is the 'first pass effect' in drug administration?

Enhanced drug elimination by the kidneys

Increased drug absorption in the stomach

Breakdown of a drug by enzymes in the GI tract before distribution (correct)

Rapid drug metabolism in the lungs

What is the definition of a drug's 'half-life'?

The time it takes for a drug to reach maximum concentration in the body

The time required for a drug to be eliminated from the body by 75%

The time required for half of the drug to be eliminated from the body (correct)

The time it takes for half of the drug to be absorbed into the bloodstream

Which part of the body receives less amounts of a drug due to lower blood flow?

Muscles Signup and view all the answers

What is the primary cause of cirrhosis?

Excessive and prolonged alcohol use Signup and view all the answers

Which enzymes are involved in the 'first pass effect' during oral drug administration?

Enzymes in the GI tract Signup and view all the answers

How does taking multiple drugs complicate treatment?

It leads to drug interactions that can impact treatment outcomes Signup and view all the answers

'Side effects' of a drug refer to:

'Other than therapeutic' effects of the medication Signup and view all the answers

'Drug interactions' occur when:

Multiple drugs taken together affect each other's effectiveness Signup and view all the answers

Where are drug metabolism enzymes present apart from the liver?

In kidneys Signup and view all the answers