Lesson 4.1.4.5
4.1.4.5 Biological approach to OCD Quiz: AQA Psychology, Unit 1
20 questions
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Lesson 4.1.4.5, Biological approach to OCD: 20 multiple choice questions for the AQA Psychology (7182), Unit 1: Introductory topics in Psychology, written with Revision Ninja.
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The 20 questions
-
Which type of study compares concordance rates between identical and non-identical twins for OCD?
- Twin studies
- Adoption studies
- Brain imaging studies
- Family studies
-
What does a higher OCD concordance rate in identical twins compared to non-identical twins indicate?
- Genetic influence
- Learned behaviour
- Environmental cause
- Psychological trauma
-
Which brain region is associated with sending worry signals in neural explanations of OCD?
- Broca's area
- Occipital lobe
- Orbitofrontal cortex
- Cerebellum
-
Which neurotransmitter is central to the serotonin explanation of OCD?
- Serotonin
- Oestrogen
- Dopamine only
- Adrenaline
-
How do selective serotonin reuptake inhibitors increase serotonin levels in the synaptic cleft?
- Stimulating enzymes
- Inhibiting synthesis
- Blocking reuptake
- Blocking receptors
-
Which drug therapy for OCD is an example of an SSRI?
- Caffeine
- Oxytocin
- Adrenaline
- Fluoxetine
-
What is a major limitation of using drug therapy to treat OCD?
- Permanent memory loss
- Slow action onset
- Relapse after stopping
- High financial cost
-
Why can brain scan evidence not definitively prove that abnormal brain structure causes OCD?
- Evidence is correlational
- Samples are qualitative
- Data is unrecorded
- Scans are subjective
-
What does a purely biological explanation of OCD overlook by focusing only on genes?
- Genetic factors
- Hereditary influences
- Neural mechanisms
- Environmental factors
-
What term refers to an inherited vulnerability to developing a disorder such as OCD?
- Genetic predisposition
- Neural plasticity
- Systematic desensitisation
- Cognitive schema
-
Elevated orbitofrontal cortex activity observed in OCD patients demonstrates which type of relationship?
- Correlation
- Mediation
- Experimentation
- Causation
-
Which type of drug is most commonly prescribed to treat OCD?
- Antipsychotics
- Benzodiazepines
- Beta-blockers
- SSRIs
-
Which psychological therapy is most commonly combined with SSRIs to treat OCD?
- Systematic desensitisation
- Humanistic therapy
- CBT
- Psychoanalysis
-
Which brain structure is associated with impaired decision-making in OCD?
- Occipital lobes
- Cerebellum
- Frontal lobes
- Temporal lobes
-
SSRIs reduce OCD symptoms by increasing levels of which neurotransmitter?
- Acetylcholine
- GABA
- Dopamine
- Serotonin
-
What term describes genes that create a vulnerability for developing OCD?
- Dominant genes
- Sex-linked genes
- Candidate genes
- Recessive genes
-
Why can brain scan comparisons between OCD patients and controls not prove cause?
- They lack reliability
- They are correlational
- Samples are random
- They lack validity
-
What primary action do SSRIs perform at the synapse?
- Block reuptake
- Increase breakdown
- Stimulate reuptake
- Block receptors
-
Hyperactivity in which brain structure is linked to persistent worry in OCD?
- Primary visual cortex
- Wernicke's area
- Broca's area
- Orbitofrontal cortex
-
Biological explanations of OCD focus on genetic factors and which other mechanism?
- Psychodynamic conflict
- Neural mechanisms
- Behavioural reinforcement
- Cognitive biases
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