Final answer:
Decreased levels of certain neurotransmitters such as Serotonin, Dopamine, and Norepinephrine are often considered in patients with depression, while Substance P and Acetylcholine are less commonly associated.
Step-by-step explanation:
When caring for a patient experiencing depression, a nurse should consider that there may be decreased levels of certain neurotransmitters. Specifically, these neurotransmitters include:
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- Serotonin - Often linked to mood regulation, low levels of serotonin are associated with depression. Antidepressants such as Selective serotonin reuptake inhibitors (SSRIs) are designed to increase serotonin levels.
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- Dopamine - A neurotransmitter related to reward and pleasure systems, which may also be decreased in patients with depression.
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- Norepinephrine - Similar to serotonin, reduced levels of norepinephrine have been linked to symptoms of depression.
Substance P and Acetylcholine are not as commonly associated with depression as the above neurotransmitters.