,Chapter 1 Chemical neurotransmission
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MULTIPLE CHOICE wj
1. A patient with depression mentions to the nurse, My mother says
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depression is a chemical disorder. What does she mean? The nurses response
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is based on the theory that depression primarily involves which of the
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following neurotransmitters?
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a. Cortisol and GABA wj wj
b. COMT and glutamate wj wj
c. Monamine and glycine wj wj
d. Serotonin and wj
norepinephrine ANS: D
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One possible cause of depression is thought to involve one or more neurotransmitters.
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Serotonin and norepinephrine have been found to be important in the regulation
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of de pression. There is no research to support that the other options play a
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significant role i n the development of depression.
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2. A patient has experienced a stroke (cerebral vascular accident) that has
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resulted in damage to the Broca area. Which evaluation does the nurse
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conduct to reinforce this diagnosis?
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a. Observing the patient pick up a spoon wj wj wj wj wj wj
b. Asking the patient to recite the alphabet
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c. Monitoring the patients blood pressure wj wj wj wj
d. Comparing the patients grip strength in both wj wj wj wj wj wj
hands ANS: B
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Accidents or strokes that damage Brocas area may result in the inability to speak (i.e.,
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motor aphasia). Fine motor skills, blood pressure control, and muscle strength are not
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wjcontrolled by the Broca area of the left frontal lobe.
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3. The patient diagnosed with schizophrenia asks why psychotropic medications
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are always prescribed by the doctor. The nurses answer will be based on
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information that the therapeutic action of psychotropic drugs is the result of
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their effect on:
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a. The temporal lobe; especially Wernickes area
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b. Dendrites and their ability to transmit electrical impulses
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c. The regulation of neurotransmitters especially dopamine
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d. The peripheral nervous system sensitivity to the psychotropic medications
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, ANS: C wj
Medications used to treat psychiatric disorders operate in and around the synaptic
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cleft and have action at the neurotransmitter level, especially in the case of
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schizophrenia, o n dopamine. The Wernickes area, dendrite function, or the
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sensitivity of the peripheral nervous system are not relevant to either
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schizophrenia or psychotropic medications.
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4. A student nurse mutters that it seems entirely unnecessary to have to struggle
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with understanding the anatomy and physiology of the neurologic system.
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The mentor w ould base a response on the understanding that it is:
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Necessary but generally for psychiatric nurses who focus primarily on wj wj wj wj wj wj wj wj dr dr
a. behavioral interventions wj
A complex undertaking that advance practice psychiatric nurses frequently
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b. use in their practice
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Important primarily for the nursing assessment of patients with brain
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c. traumacaused cognitive symptoms
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Necessary for planning psychiatric care for all patients especially those
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d. experiencing psychiatric disorders
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ANS:
D
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Nurses must understand that many symptoms of psychiatric disorders have a
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neurolo gic basis, although the symptoms are manifested behaviorally. This
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understanding fa cilitates effective care planning. The foundation of knowledge
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is not used exclusively by advanced practice psychiatric nurses nor is it
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relevant for only behavior therapies or brain trauma since dealing
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with the results of normal and abnormal brain function is a responsibility of
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all nurses providing all types of care to the psychiatric patient.
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5. A patient asks the nurse, My wife has breast cancer. Could it be caused
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by her chronic depression? Which response is supported by research data?
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a. Too much stress has been proven to cause all kinds of cancer.
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b. There have been no research studies done on stress and disease yet.
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c. Stress does cause the release of factors that suppress the immune system.
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d. There appears to be little connection between stress and diseases of the
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body ANS: C
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Research indicates that stress causes a release of corticotropin-
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releasing factors that suppress the immune system. Studies indicate that
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psychiatric di sorders such as mood disorders are sometimes associated with
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decreased functioning o f the immune system.Research does not support a
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connection between many cancers a nd stress. There is a significant amount of
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research about stress and the body. Researc h has shown that there are some
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connections between stress and physical disease.
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