About this Study Set
This study set covers Addiction Science through
25 practice questions.
An introductory overview of the scientific principles, neurobiology, and classification of addictive substances and behaviors. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 25 questions from the
Addiction Science Fundamentals study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which neurotransmitter is most commonly associated with the brain's reward system and the reinforcement of addictive behaviors?
-
A
Serotonin
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B
Dopamine
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C
Acetylcholine
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D
Glutamate
2
In addiction science, what is the term for the physiological state where a person needs a higher dose of a substance to achieve the same effect?
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A
Withdrawal
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B
Tolerance
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C
Craving
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D
Relapse
3
Which brain region is primarily responsible for executive functions like decision-making and impulse control, which can be impaired by chronic substance use?
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A
Prefrontal cortex
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B
Cerebellum
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C
Brainstem
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D
Occipital lobe
4
What is the primary psychoactive ingredient found in tobacco products that leads to physical dependence?
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A
Tar
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B
Nicotine
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C
Carbon monoxide
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D
Ammonia
5
The condition where an individual experiences physical and mental symptoms after stopping the use of a substance they are dependent on is called:
-
A
Adaptation
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B
Withdrawal
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C
Tolerance
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D
Sensitization
6
Which of the following substances is classified as a central nervous system depressant?
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A
Caffeine
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B
Nicotine
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C
Alcohol
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D
Cocaine
7
Which organ is responsible for metabolizing the vast majority of alcohol consumed by the human body?
-
A
Kidneys
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B
Liver
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C
Stomach
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D
Pancreas
8
What does the term 'addiction' officially refer to in clinical terminology, such as in the DSM-5?
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A
Substance Use Disorder
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B
A moral failing
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C
A lack of willpower
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D
Bad habits
9
Which of these is a common behavioral addiction recognised by many health organisations?
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A
Gambling disorder
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B
Reading addiction
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C
Shopping addiction
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D
Television addiction
10
What is the main psychoactive chemical compound found in cannabis?
11
Opioids exert their effects by binding to specific receptors located in the:
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A
Heart
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B
Central nervous system
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C
Digestive tract
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D
Skin
12
Chronic drug use can lead to long-lasting changes in the brain's structure and function; this process is known as:
-
A
Neural plasticity
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B
Neuroadaptation
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C
Cognitive decline
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D
Homeostasis
13
Which of these substances is a powerful stimulant?
-
A
Heroin
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B
Alcohol
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C
Cocaine
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D
Morphine
14
What is the 'reward pathway' in the brain scientifically known as?
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A
Mesolimbic pathway
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B
Visual pathway
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C
Auditory pathway
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D
Somatosensory pathway
15
Which class of drugs is primarily used to relieve pain?
-
A
Stimulants
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B
Opioids
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C
Hallucinogens
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D
Inhalants
16
In addiction science, 'cue-induced craving' refers to what?
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A
Craving triggered by environmental reminders
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B
Craving caused by hunger
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C
Craving caused by weather
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D
Craving caused by exercise
17
What is the role of Naloxone in addiction medicine?
-
A
To act as a stimulant
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B
To reverse an opioid overdose
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C
To reduce cravings for alcohol
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D
To prevent nicotine absorption
18
Which of the following is considered a 'gateway' substance by some researchers, though the theory is heavily debated?
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A
Water
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B
Nicotine
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C
Protein
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D
Fiber
19
What do researchers call the phenomenon where addictive substances make 'natural' rewards (like food or social interaction) seem less pleasurable?
-
A
Hypofrontality
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B
Reward deficiency syndrome
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C
Tolerance increase
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D
Synaptic pruning
20
Alcohol is classified as which type of psychoactive substance?
-
A
Stimulant
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B
Depressant
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C
Hallucinogen
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D
Antipsychotic
21
Which neurotransmitter deficiency is often associated with the 'crash' experienced after stimulant use?
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A
Dopamine
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B
Melatonin
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C
Insulin
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D
Thyroxine
22
What does 'detoxification' primarily aim to achieve in addiction treatment?
-
A
Eliminating all cravings forever
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B
Clearing the substance from the body safely
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C
Changing the personality of the patient
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D
Improving memory
23
The 'hedonic set point' refers to:
-
A
The brain's baseline level of pleasure
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B
A method of drug delivery
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C
The cost of a substance
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D
The legal status of a drug
24
Which of these is a known long-term health consequence of chronic alcohol abuse?
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A
Cirrhosis of the liver
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B
Increased lung capacity
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C
Improved vision
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D
Stronger bones
25
Why are adolescent brains considered more vulnerable to the effects of addictive substances?
-
A
Because they are still developing
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B
Because they have more neurons
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C
Because they are physically smaller
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D
Because they have higher blood pressure
