Lesson 3.1.2
3.1.2 Brain structure and aggression Quiz: Pearson Edexcel Psychology, Unit 3
20 questions
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Lesson 3.1.2, Brain structure and aggression: 20 multiple choice questions for the Pearson Edexcel Psychology (9PS0), Unit 3: Biological psychology, written with Revision Ninja.
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The 20 questions
-
Which two neurotransmitters are primarily increased in the brain by amphetamines?
- GABA and serotonin
- Dopamine and noradrenaline
- Acetylcholine and GABA
- Serotonin and endorphins
-
By what mechanism does cocaine increase dopamine levels in the synaptic cleft?
- Blocking dopamine receptors
- Destroying dopamine enzymes
- Stimulating dopamine production
- Blocking dopamine reuptake
-
Which inhibitory neurotransmitter's activity is enhanced by alcohol to slow brain function?
- Dopamine
- GABA
- Serotonin
- Glutamate
-
Which neurotransmitter's activity is primarily enhanced by MDMA (ecstasy) in the synapse?
- Acetylcholine
- Noradrenaline
- GABA
- Serotonin
-
Which recreational drug produces a surge of dopamine by blocking reuptake in reward pathways?
- Heroin
- Cocaine
- Alcohol
- Cannabis
-
What overall effect does enhancing GABA activity have on central nervous system function?
- Enhanced alertness
- Reduced neural activity
- Heightened sensory perception
- Increased heart rate
-
Where do recreational drugs primarily alter chemical signaling in the central nervous system?
- Inside the nucleus
- Along the axon
- At the dendrite
- At the synapse
-
Which recreational drug increases mood and energy by flooding synapses with serotonin?
- Alcohol
- MDMA
- Heroin
- Cannabis
-
What major issue prevents researchers from administering illicit recreational drugs to human non-users?
- Ethical constraints
- Poor ecological validity
- Lack of equipment
- High financial costs
-
Why does dopamine remain active longer in reward pathways during cocaine use?
- Receptors are destroyed
- Reuptake is blocked
- Vesicles are damaged
- Synthesis is stopped
-
Why can drug research findings fail to generalise to all users of a substance?
- Standardised procedures
- Objective measurement
- Controlled environments
- Individual differences
-
Where do most recreational drugs act to alter central nervous system transmission?
- In the soma
- In myelin sheath
- In the axon
- At the synapse
-
Which neurotransmitter is primarily associated with feelings of reward and pleasure?
- Dopamine
- Serotonin
- Acetylcholine
- GABA
-
What process reabsorbs neurotransmitters back into the presynaptic terminal after transmission?
- Reuptake
- Action potential
- Exocytosis
- Summation
-
Which inhibitory neurotransmitter does alcohol enhance to slow down neural transmission?
- Dopamine
- GABA
- Noradrenaline
- Glutamate
-
What physiological state is primarily increased by higher levels of synaptic noradrenaline?
- Memory loss
- Sedation and sleep
- Muscle relaxation
- Arousal and alertness
-
What primary ethical issue limits the experimental administration of recreational drugs to humans?
- Lack of consent
- Loss of confidentiality
- Deception
- Risk of harm
-
Which neurotransmitter is depleted after ecstasy use, causing a post-use dip in mood?
- GABA
- Serotonin
- Endorphins
- Dopamine
-
What type of drug binds to postsynaptic receptors and blocks neurotransmitter action?
- Enzyme
- Reuptake inhibitor
- Agonist
- Antagonist
-
What type of drug mimics natural neurotransmitters to activate postsynaptic receptors?
- Agonist
- Antagonist
- Enzyme
- Inhibitor
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