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23 Cards in this Set
- Front
- Back
ST epithelial cells that secrete HCL & intrinsic factor
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parietal cells
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functions of HCl (2)
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-digestion of food (activates pepsin)
-barrier against micro-organisms |
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functions of the digestive system (6)
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1. food digestion
2. nutrient absorption 3. delivery of nutrition to blood for distribution 4. excretion of waste 5. secretion of hormones 6. fluid & electrolyte balance |
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GERD =
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Gastro-Esophageal Reflux Disease
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reflux of acid from the ST to esophagus
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GERD
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LES =
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Lower Esophageal Sphincter
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causes decrease in effectiveness in closure causing ST acid in lower esophagus
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irritation/pressure change in LES
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many GERD sufferers have a ____ of the ST through the diaphragm
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herniation (hiatal hernia)
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hypochlorhydria =
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lack of ST acid
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hyperchlorhydria =
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high levels of ST acid
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erosion of the mucosal lining of ST
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gastric ulcer
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erosion of 1st part of SI
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duodenal ulcer
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common causes of peptic ulcers (3)
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1. H. pylori bacteria
2. increased HCl secretion 3. inadequate mucosal protection against ST acid |
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common contributing factors with peptic ulcers
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-emotional stress
-alcohol -smoking -food allergies -milk consumption -manual labor -genetic predisposition -low fiber diet |
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growth of abnormally large breasts in males
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gynecomastia
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milky nipple discharge unassociated with breast feeding
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galactorrhea
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these drugs neutralize HCl in ST over period of weeks, giving time for ulcer to heal; relieve burning sensation of heartburn; Sx relieving/not curative
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antacids
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3 families of antacids
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-Aluminum
-Magnesium -Calcium |
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common SE's of antacids (mainly from overuse)
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-diarrhea/constipation
-electrolyte imbalances -acid rebound -inadequate digestion -more prone to infection |
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another use for antacids
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replacement therapy for minerals
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used in conjunction with other treatments to TX H.Pylori
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Bismuth
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bismuth effects on poop
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will turn feces black
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mechanisms of bismuth in the treatment of H.Pylori (2)
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-antimicrobial
-helps to form mucosal lining for protection |