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Foundations of Addiction Science

Addiction Science

An overview of the biological, chemical, and diagnostic aspects of addiction science.

science psychology health

15 Questions Medium Ages 15+ Oct 9, 2026

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About this Study Set

This study set covers Addiction Science through 15 practice questions. An overview of the biological, chemical, and diagnostic aspects of addiction science. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 15 questions from the Foundations of Addiction Science study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which neurotransmitter is primarily associated with the brain's reward system and the reinforcement of addictive behaviors?

A Serotonin
B Dopamine
C Acetylcholine
D Glutamate

2 What is the primary brain region responsible for executive functions, impulse control, and decision-making, which is often impaired in chronic addiction?

A Cerebellum
B Prefrontal cortex
C Brainstem
D Occipital lobe

3 Which diagnostic manual is used by clinicians in the United States to diagnose Substance Use Disorders?

A ICD-11
B DSM-5-TR
C Merck Manual
D Physicians' Desk Reference

4 In addiction science, what term describes the process where a person needs a higher dose of a substance to achieve the same effect previously produced by a lower dose?

A Tolerance
B Withdrawal
C Sensitization
D Dependence

5 Naltrexone is a medication commonly used to treat alcohol and opioid use disorders by acting as a(n):

A Agonist
B Partial agonist
C Antagonist
D Reuptake inhibitor

6 Which chronic, relapsing brain disease is characterized by compulsive drug seeking and use despite harmful consequences?

A Addiction
B Psychosis
C Neurosis
D Amnesia

7 The 'hedonic set point' refers to what concept in addiction theory?

A The baseline level of reward functioning
B The maximum dose a brain can handle
C The speed of drug metabolism
D The time taken for withdrawal to peak

8 Which substance acts as a central nervous system depressant and works primarily by enhancing the effects of GABA?

A Cocaine
B Alcohol
C Caffeine
D Nicotine

9 What is the term for the negative physical and psychological symptoms that occur when a substance is removed from the body after prolonged use?

A Withdrawal
B Tolerance
C Craving
D Relapse

10 The VTA (Ventral Tegmental Area) is a critical component of which brain pathway involved in addiction?

A Mesolimbic pathway
B Visual pathway
C Somatosensory pathway
D Auditory pathway

11 Which of the following substances is classified as a stimulant?

A Heroin
B Methamphetamine
C Morphine
D Diazepam

12 How does nicotine primarily exert its physiological effects in the brain?

A Binding to dopamine receptors
B Binding to nicotinic acetylcholine receptors
C Inhibiting serotonin reuptake
D Blocking opioid receptors

13 What is the primary role of the amygdala in the context of addiction?

A Processing emotions and stress-related cravings
B Regulating motor coordination
C Controlling heart rate
D Storing long-term episodic memories

14 Which process involves the brain's ability to reorganize itself by forming new neural connections in response to chronic substance use?

A Neuroplasticity
B Neurogenesis
C Neurotransmission
D Neurodegeneration

15 Which medication is frequently used in Medication-Assisted Treatment (MAT) to act as a long-acting opioid agonist to reduce cravings and withdrawal?

A Naloxone
B Methadone
C Flumazenil
D Bupropion

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