Flash GI diseases
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8 Terms
What is vomiting?
Active expulsion
Contraction of diaphragm & abdominal muscles
“heaving”
What is regurgitation?
Passive expulsion, often before it reaches stomach
What controls vomiting?
Emetic (vomiting) center (found in brain)
What are the triggers of vomiting?
Vestibular response: motion sickness
High brain processing (sigh/smell)
Mechanical irritation (physical object)
Toxins → monitored by chemoreceptor trigger zone
What is diarrhea?
Clinical sign of loose, watery stool
What are pathophysiological mechanisms of diarrhea?
Hyposecretion
maldigestion/malabsorption
Increased permeability
Osmotic
Altered motility
Why are parvovirus so destructive?
Cryptes (in SI) destroyed, stem cell no no, indirect destruction of villi
What is pancreatitis?
Inflammation of pancreas
Unknown cause, can be exposure to fatty food
Effects:
Can inflame neighboring organs
Note 
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