A client has been prescribed chlorpromazine CPZ (Largactil) for
treatment of schizophrenia. The nurse understands that this
medication blocks the transmission of
Dopamine
The treatment of psychiatric and mental health care before the mid-
20th century was primarily influenced by what factor?
lack of understanding regarding the etiology of mental illness
Which of the following events best exemplifies the trends in
Canadian treatment of mental illness in the second half of the 20th
century?
a reduction in the size of large mental hospitals
A nurse can best demonstrate contemporary principles of
psychiatric mental health care by performing what action?
prioritizing the quality of the nurse-client relationship
A psychiatric mental health nurse has been asked to join an
interdisciplinary team that has been commissioned to address the
mental health needs of underserved Canadians. The team is most
likely to address which group?
aboriginal people
A psychiatric mental health nurse is acting as a consultant to the
Mental Health Commission of Canada. Which activities are
included within the commission's strategic direction?
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working with first nations communities to address their mental
health needs
conducting mental health promotion activities
developing recovery programs for people with mental health
disorders
Neuroplasticity
Brain plasticity is higher in younger people than in older people.
Toxins and chemicals have the potential to alter brain structure and
function
the principle of neuroplasticity can be applied to deliberate efforts
to learn new skills
Brain structure and function
The brain consists of two hemispheres, each of which is divided into
four lobes;
The temporal lobes involve the control of hearing, memory and
speech,
the limbic system is know to have close involvement in many mental
health disorders;
the hippocampus is located in the temporal lobe and is involved in
forming and storing memories
PET
Positron emission tomography (PET)
allows for analysis of brain metabolism and activity. It gauges
glucose metabolism and does not rely on magnetic forces. PET is not
used for the sole purpose of identifying brain structure
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Anticholinergic effects
dry mouth, blurred vision, constipation, urinary retention,
tachycardia
Low serotonin
depression and insomnia have been associated with decreased levels
of serotonin; many antidepressant medications address these theses
levels;
Dopamine and ACh are not normally implicated in depression
sympathetic nervous system
stimulated by physical or emotional stress; such as strenuous
exercise or work, pain haemorrhage, intense emotions and
temperature extremes;
Body response of the sympathetic nervous system
increased arterial blood pressure and cardiac output and pupil
dilation to aid vision
autonomic nervous system
affects the cardiovascular function to decrease heart rate responses
benzodiazepines (eg. lorazepam) and alcohol consumption
interaction causes
severe risk for CNS depression
Extrapyramidal side syndromes (EPS) nursing care
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assess the client and inform the client's primary care provider of the
results;
provide reassurance to the client that these adverse effects can be
treated;
encourage the client to consume adequate food and fluids
What education should a nurse provide to a patient taking Lithium?
Educate the client on the importance of having blood work drawn as
ordered;
Inform the client he or she may experience increased urination
during treatment;
educate the client about the need to use adequate contraception to
prevent pregnancy;
tolerance
gradual decrease in the action of a drug at a given dose or
concentration in the blood;
in abuse substances like alcohol or cocaine, tolerance is part of
addiction
Toxicity
the point at which the concentration of a drug in the blood stream is
high enough to become harmful or poisonous to the body
desensitization
rapid decrease in drug effects that may develop within a few
minutes of exposure to the drug
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