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Neuroscience and Addiction Quiz

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Questions and Answers

What is the primary purpose of the blood brain barrier?

To keep unwanted substances and bacteria from reaching the brain (correct)

To keep psychoactive drugs from affecting the brain

To protect the central nervous system

To regulate dopamine levels

What is the estimated range of genetic susceptibility to addiction?

10-60% (correct)

20-70%

30-80%

40-90%

What is the neurotransmitter that all psychoactive drugs have in common?

Serotonin

Acetylcholine

Glutamate

Dopamine (correct)