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NUR 650 CHAPTER 42 TEST RATED 100 % CORRECT
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NUR 650 CHAPTER 42 TEST RATED 100 % CORRECT
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ESTUDY CHAPTER 42 NUR 650 TEST RATED 100 % CORRECT Anorexia (loss of appetite), vomiting, constipation, diarrhea, abdominal pain, and evidence of gastrointestinal bleeding are - ANSWER c linical manifestations of many disorders of the gastrointestinal tract. Vomiting is the - ANSWER forceful emptying of the stomach effected by gastrointestinal contraction and reverse peristalsis of the esophagus. It is usually preceded by nausea and r etching with the exception of projectile vomiting, which is associated with direct stimulation of the vomiting center in the brain. Primary constipation is defined in three categories: - ANSWER functional, associated with low -residue, low -fluid diet; slow -transit, related to impaired colonic motor function; and pelvic floor dyssynergia -anismus. Secondary constipation results from a - ANSWER neurogenic disease, drugs that decrease intestinal motility, endocrine or metabolic disorders, or obstructio n. Diarrhea can be caused by excessive fluid drawn into the - ANSWER intestinal lumen by osmosis (osmotic diarrhea) excessive secretion of fluids by the ESTUDY - ANSWER intestinal mucosa (secretory diarrhea) excessive gastrointestinal motility - ANSWER (motility diarrhea). Abdominal pain is caused by - ANSWER stretching, inflammation, or ischemia and originates in the peritoneum (parietal pain) abd pain in the organs themselves - ANSWER (visceral pain). Visceral pain is often referred to the - ANSWER back. Gastrointestinal bleeding can occur in the - ANSWER upper or lower gastrointestinal tract. Obvious manifestations of gastrointestinal bleeding are ESTUDY - ANSWER hematemesis (vomiting of blood), melena (dark, tarry stools), and hematochezia (frank bleeding from the rectum). Occult bleeding can be detected only by - ANSWER testing stools or vomitus for the presence of blood. Dysphagia is - ANSWER difficulty in swallowing or perception of obstruction during swallowing. dysohagia can be caused by a - ANSWER mechanical or functional obstruction of the esophagus. Functional obstruction is an impairment of - ANSWER esophageal motility. Achalasia is a form of - ANSWER functional dysphagia caused by loss of esophageal innervation or relaxation of the lower esophageal sphincter. Gastroesophageal reflux disease is theThe benefits of buying summaries with Stuvia:
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