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5 Cards in this Set
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if a P has uremia, why might they have anorexia?
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due to the accumulation of nitrogenous wastes in the blood, this could trigger the loss of appetite and lead to N/V.
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what are some common causes for nausea?
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distention of the duodenum, or upper GI tract, certain smells
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where is the vomiting center located?
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near the sensory nuclei of the vagus, in the dorsal portion of the reticular formation of the MEDULLA.
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major causes of vomiting?
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hypoxia (esp when p has decreased cardiac output, shock, brain ischemia etc), inflamm of any abdominal organs, distention/irrigation of the GI tract.
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what are the neurotransmitters that are considered the mediators in nausea/vomiting?
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dopamine, 5-HT3, opioid receptors (in GI tract and vomiting and chemoreceptor trigger zone)
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