REGIS COLLEGE PSYCH 643 COMPREHENSIVE
TEST 2026 ANSWERS VERIFIED A+
◉ informed consent. Answer: An ethical principle requiring that
research participants be told enough to enable them to choose
whether they wish to participate. Parent must be give IC for minors
unless for VD, pregnancy, substance/etoh, and contagious disease.
IC includes procedure, experimental, pain/risks, benefits,
alternatives, questions, freedom to refuse/withdraw.
◉ Tarasoff 1 and 2. Answer: 1:Provider must warn an individual if
their patient informs them that they plan to kill or injure them. Also,
notify police.
2: Provider must take action to protect the target individual by
nonconsensual hospitalization or arrest of the patient.
◉ Acetylcholine. Answer: A neurotransmitter that enables learning
and memory and also triggers muscle contraction.
Increased: Parkinsonism
Decreased: Dementia
◉ Norepinephrine. Answer: A neurotransmitter involved in arousal,
as well as in learning and mood regulation.
,Increased: Anxiety.
Decreased: Depression.
◉ Dopamine. Answer: A neurotransmitter associated with
movement, attention and learning and the brain's pleasure and
reward system.
Increased: Psychosis
Decreased: Anhedonia, Parkinsons, Addiction.
◉ Serotonin (5-HT). Answer: Excitatory or inhibitory; involved in
sleep, mood, anxiety, and appetite.
Increased: Serotonin Syndrome
Decreased: Depression, OCD, Anxiety
◉ Glutamate. Answer: The most common neurotransmitter in the
brain. Excitatory.
Increased: Psychosis, lability, SZ.
Decreased: Impaired memory, negative symptoms.
◉ GABA (gamma-aminobutyric acid). Answer: The primary
inhibitory neurotransmitter in the brain.
Decreased: Anxiety
, ◉ structural abnormalities of the brain in depression. Answer:
Hyperintensities in subcortical regions: ventricles, basal ganglia, an
thalamus. (most common)
Reduced hippocampus size.
◉ Neurotransmitters associated with depression.. Answer:
norepinephrine, serotonin, dopamine all low
◉ melancholic depression + tx of choice. Answer: more common in
hospitalized patients ~ anhedonia, intense guilt, early wakening,
psychomotor, anorexia/weight, loss no delusions
tx = TCAs**
◉ Atypical Depression + tx of choice. Answer: Differs from classical
forms of depression. Characterized by hypersomnia, overeating and
mood reactivity (the ability to experience improved response to
positive events vs. persistent sadness. No delusions.
Associated with weight gain and sensitivity to rejection.
Most common subtype of depression.
Treatment: MAOIs/ SSRI
TEST 2026 ANSWERS VERIFIED A+
◉ informed consent. Answer: An ethical principle requiring that
research participants be told enough to enable them to choose
whether they wish to participate. Parent must be give IC for minors
unless for VD, pregnancy, substance/etoh, and contagious disease.
IC includes procedure, experimental, pain/risks, benefits,
alternatives, questions, freedom to refuse/withdraw.
◉ Tarasoff 1 and 2. Answer: 1:Provider must warn an individual if
their patient informs them that they plan to kill or injure them. Also,
notify police.
2: Provider must take action to protect the target individual by
nonconsensual hospitalization or arrest of the patient.
◉ Acetylcholine. Answer: A neurotransmitter that enables learning
and memory and also triggers muscle contraction.
Increased: Parkinsonism
Decreased: Dementia
◉ Norepinephrine. Answer: A neurotransmitter involved in arousal,
as well as in learning and mood regulation.
,Increased: Anxiety.
Decreased: Depression.
◉ Dopamine. Answer: A neurotransmitter associated with
movement, attention and learning and the brain's pleasure and
reward system.
Increased: Psychosis
Decreased: Anhedonia, Parkinsons, Addiction.
◉ Serotonin (5-HT). Answer: Excitatory or inhibitory; involved in
sleep, mood, anxiety, and appetite.
Increased: Serotonin Syndrome
Decreased: Depression, OCD, Anxiety
◉ Glutamate. Answer: The most common neurotransmitter in the
brain. Excitatory.
Increased: Psychosis, lability, SZ.
Decreased: Impaired memory, negative symptoms.
◉ GABA (gamma-aminobutyric acid). Answer: The primary
inhibitory neurotransmitter in the brain.
Decreased: Anxiety
, ◉ structural abnormalities of the brain in depression. Answer:
Hyperintensities in subcortical regions: ventricles, basal ganglia, an
thalamus. (most common)
Reduced hippocampus size.
◉ Neurotransmitters associated with depression.. Answer:
norepinephrine, serotonin, dopamine all low
◉ melancholic depression + tx of choice. Answer: more common in
hospitalized patients ~ anhedonia, intense guilt, early wakening,
psychomotor, anorexia/weight, loss no delusions
tx = TCAs**
◉ Atypical Depression + tx of choice. Answer: Differs from classical
forms of depression. Characterized by hypersomnia, overeating and
mood reactivity (the ability to experience improved response to
positive events vs. persistent sadness. No delusions.
Associated with weight gain and sensitivity to rejection.
Most common subtype of depression.
Treatment: MAOIs/ SSRI
