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Advanced Psychiatric Science Quiz
Psychiatry
This quiz challenges your knowledge of advanced scientific facts and proven theories within psychiatry, covering neurobiology, psychopharmacology, diagnostic criteria, and evidence-based treatments.
neuroscience
psychopharmacology
diagnosis
mental health
therapy
20 Questions
Hard
Ages 18+
Aug 1, 2026
About this Study Set
This study set covers Psychiatry through
20 practice questions.
This quiz challenges your knowledge of advanced scientific facts and proven theories within psychiatry, covering neurobiology, psychopharmacology, diagnostic criteria, and evidence-based treatments. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 20 questions from the
Advanced Psychiatric Science Quiz study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which of the following is the primary mechanism of action for second-generation antipsychotics (SGAs) in treating positive symptoms of schizophrenia?
-
A
Potent D2 antagonism
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B
Partial D2 agonism and 5-HT2A antagonism
-
C
Selective serotonin reuptake inhibition
-
D
NMDA receptor potentiation
2
According to current neurobiological models, what structural brain abnormality is most consistently associated with the pathophysiology of schizophrenia?
-
A
Increased hippocampal volume
-
B
Reduced cortical thickness, particularly in prefrontal and temporal lobes
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C
Enlarged basal ganglia
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D
Hyperactive amygdala
3
Which neurotransmitter system is primarily implicated in the anxiolytic effects of benzodiazepines?
-
A
Dopaminergic system
-
B
Glutamatergic system
-
C
GABAergic system
-
D
Cholinergic system
4
The therapeutic effect of lithium in bipolar disorder is thought to involve inhibition of which intracellular signaling pathway?
-
A
Adenylate cyclase pathway
-
B
MAP kinase pathway
-
C
Inositol monophosphatase (IMPase) pathway
-
D
JAK-STAT pathway
5
Transcranial Magnetic Stimulation (TMS) for depression primarily targets which brain region?
-
A
Right dorsolateral prefrontal cortex
-
B
Left dorsolateral prefrontal cortex
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C
Medial prefrontal cortex
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D
Anterior cingulate cortex
6
What genetic polymorphism is most robustly linked to an increased risk of late-onset Alzheimer's disease?
-
A
APOE ε4 allele
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B
COMT Val158Met
-
C
BDNF Met allele
-
D
HTR2A T102C
7
Deep Brain Stimulation (DBS) is an FDA-approved treatment for severe, treatment-refractory obsessive-compulsive disorder (OCD) targeting which brain region?
-
A
Subthalamic nucleus
-
B
Ventromedial prefrontal cortex
-
C
Anterior limb of the internal capsule (ALIC)
-
D
Nucleus accumbens
8
What is the primary neurobiological basis for Wernicke-Korsakoff syndrome, often seen in chronic alcoholism?
-
A
Dopamine receptor hypersensitivity
-
B
Thiamine deficiency leading to neuronal damage
-
C
Serotonin transporter dysfunction
-
D
Glutamate excitotoxicity
9
Which of the following describes the mechanism of action of esketamine in treating treatment-resistant depression?
-
A
Selective serotonin reuptake inhibition
-
B
NMDA receptor antagonism
-
C
Monoamine oxidase inhibition
-
D
GABA-A receptor agonism
10
In DSM-5-TR criteria for Major Depressive Disorder, a key distinguishing feature from normal sadness is the presence of at least five symptoms for a minimum duration of:
-
A
1 week
-
B
2 weeks
-
C
1 month
-
D
6 months
11
Which neuroimaging technique is most effective for visualizing white matter integrity and connectivity in psychiatric research?
-
A
Functional Magnetic Resonance Imaging (fMRI)
-
B
Positron Emission Tomography (PET)
-
C
Diffusion Tensor Imaging (DTI)
-
D
Electroencephalography (EEG)
12
The 'dopamine hypothesis' of schizophrenia primarily posits an excess of dopamine activity in which brain pathway to explain positive symptoms?
-
A
Mesocortical pathway
-
B
Nigrostriatal pathway
-
C
Tuberoinfundibular pathway
-
D
Mesolimbic pathway
13
What is the primary mechanism by which carbamazepine exerts its mood-stabilizing effects in bipolar disorder?
-
A
Potentiation of GABAergic neurotransmission
-
B
Blockade of voltage-gated sodium channels
-
C
Inhibition of monoamine oxidase
-
D
Stimulation of serotonin release
14
Which of the following is a characteristic neuropathological finding in Huntington's disease, associated with its psychiatric symptoms?
-
A
Amyloid plaques and neurofibrillary tangles
-
B
Lewy bodies in the substantia nigra
-
C
Loss of GABAergic medium spiny neurons in the striatum
-
D
Vacuolation of neurons in the spongiform encephalopathy
15
The use of cholinesterase inhibitors (e.g., donepezil, rivastigmine) in Alzheimer's disease aims to primarily compensate for a deficiency in which neurotransmitter system?
-
A
Dopaminergic
-
B
Serotonergic
-
C
Noradrenergic
-
D
Acetylcholinergic
16
Which type of psychotherapy has the strongest empirical support for the treatment of Panic Disorder with Agoraphobia?
-
A
Psychodynamic therapy
-
B
Interpersonal therapy
-
C
Cognitive Behavioral Therapy (CBT)
-
D
Humanistic therapy
17
The neurodevelopmental hypothesis of schizophrenia suggests that initial brain insults occur during which period?
-
A
Adolescence
-
B
Early adulthood
-
C
Prenatal or perinatal period
-
D
Late childhood
18
What is the most common cause of intellectual disability with a known genetic basis?
-
A
Fragile X syndrome
-
B
Phenylketonuria (PKU)
-
C
Down syndrome (Trisomy 21)
-
D
Turner syndrome
19
Which of the following is a well-established side effect of long-term typical antipsychotic use, characterized by involuntary movements, particularly of the face and tongue?
-
A
Akathisia
-
B
Acute dystonia
-
C
Neuroleptic malignant syndrome
-
D
Tardive dyskinesia
20
The 'monoamine hypothesis' of depression primarily implicates a deficiency in which group of neurotransmitters?
-
A
Acetylcholine, GABA, Glutamate
-
B
Dopamine, Serotonin, Norepinephrine
-
C
Histamine, Orexin, Substance P
-
D
Endorphins, Anandamide, Adenosine
