BIO 250 Patho Exam 6 Study Guide (Gastrointestinal Disorders)
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BIO 250 Patho
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BIO 250 Patho
BIO 250 Patho Exam 6 Study Guide (Gastrointestinal Disorders)
GI Lecture
Movement of food along the GIT (1 Question) Mouth, pharynx, esophagus, stomach, duodenum
Name the sphincters along the GIT and which sections of the GIT they move contents between:
1) Upper esophageal sphincter- betwe...
bio 250 patho exam 6 study guide gastrointestinal disorders gi lecture movement of food along the git 1 question mouth
duodenum name the sphincters along the git a
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BIO 250 Patho Exam 6 Study Guide (Gastrointestinal
Disorders)
GI Lecture
Movement of food along the GIT (1 Question) Mouth, pharynx, esophagus, stomach, duodenum
Name the sphincters along the GIT and which sections of the GIT they move contents
between:
1) Upper esophageal sphincter- between trachea and esophagus
2) Cardiac sphincter-lower esophageal sphincter (between the esophagus and stomach)
3) Pyloric sphincter- between stomach and duodenum
4) Ileocecal valve- between the small intestine and large
5) Anal sphincter
GERD (2 Questions) Acid coming up in the stomach because of a weakened cardiac sphincter
Potential complications:
• heart burn
• Barret’s Esophagus (precancer),
• ulcers,
• scarring- strictures,
• esophagitis
Function of the lower esophageal sphincter: keeps the stomach acid in the stomach
• stress – shock (give PPI to decrease risk of developing an ulcer)
• gastritis (inflammation)
• NG tube damage
• HPylori
• Alcohol/smoking
• NSAIDs, Aspirin, steroids
Laboratory findings of a GI bleed or Peptic Ulcer
• Guaiac test (can’t see bleeds with eyes so use this test)
• Endoscopy -EGD upper scope
• Abdominal x-ray to check for free air
• HPylori -breath test for blood
Differences in symptoms & type of pain between a gastric & duodenal ulcer:
Gastric:
• Pain 1-2 hours after eating. Food stimulates acid production and puts pressure on the ulcer
• Lose weight
Duodenal:
• Pain starts 2-5 hours after meals. Feel better when they eat
• Gain weight
H. pylori treatment regimen:
• Two antibiotics – amoxicillin and metronidazole (Flagyl) or clarithromycin
• Pepto-Bismal and /or PPI (omeprazole)
Gastric Cancer (1 Question)
Risk factors:
• Smoking
• >60 y/o
• Male
• Barret’s Esophagus
• Obesity
• Gastritis
• Family hx
• Smoked and pickled foods
Celiac Disease (1 Question)
Foods to avoid:
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