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Drugs and the Brain

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Questions and Answers

What is the effect of morphine on the brain's reward system?

It decreases the release of dopamine and norepinephrine

It reduces the activity of the CNS

It has no effect on the release of dopamine and norepinephrine

It increases the release of dopamine and norepinephrine (correct)

What is the primary effect of tranquilizers on the CNS?

It decreases the activity of the CNS, causing relaxation (correct)

It increases the activity of the CNS, causing excitement

It has no effect on the CNS

It stimulates the CNS, causing anxiety

What is the primary effect of methamphetamine on the brain?

It has no effect on dopamine release

It decreases the release of dopamine

It reduces the activity of the CNS, causing relaxation

It increases the release of dopamine, producing euphoria (correct)

What is the effect of cocaine on the brain's reward system?

It taps into the brain's reward system, causing euphoria (D) Signup and view all the answers

What is the effect of hallucinogens on neuronal circuits in the brain?

They disrupt neuronal circuits, causing hallucinations and delusions (C) Signup and view all the answers

What is the classification of alcohol according to the DSM-IV-TR?

Central nervous system depressant (C) Signup and view all the answers

What is a characteristic of individuals who are dependent on others?

They are resentful to authority (C) Signup and view all the answers

What is a common effect of stimulants on the central nervous system?

It stimulates or excites the nervous system (B) Signup and view all the answers

What is a medicinal use of cannabis sativa?

Preventing nausea and vomiting in chemotherapy patients (D) Signup and view all the answers

What is a common effect of hallucinogens on the user?

Distortion of perception of reality (A) Signup and view all the answers

What is a common way of using cannabis?

Smoking it in cigarettes (C) Signup and view all the answers

What type of substances are inhalants?

Diverse group of drugs inhaled for their effects (C) Signup and view all the answers