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BIO 250 Patho Exam 6 Study Guide (Gastrointestinal Disorders)

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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- betwe...

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  • February 15, 2023
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  • 2022/2023
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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

Upper GI Bleeds (2 Questions)

Causes:

• Ulcers pyloric ulcers
• NSAIDs, Aspirin
• Esophageal varices (enlarged veins)
• Steroids
• GERD
• Inflammation
• Cancer
Signs & symptoms

• dark stools – melena
• red streaks in poop
• hematemesis – bright red vomit
• coffee ground emesis (vomit)
• s/s of shock – hypotension, bradycardia

Gastritis & Peptic Ulcers (4 Questions)

This study source was downloaded by 100000834306259 from CourseHero.com on 05-06-2022 14:23:07 GMT -05:00


https://www.coursehero.com/file/73449437/Patho-exam-6-study-guide-2020-GI-and-liver-1docx/

, Risk factors/causes:

• 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:



This study source was downloaded by 100000834306259 from CourseHero.com on 05-06-2022 14:23:07 GMT -05:00


https://www.coursehero.com/file/73449437/Patho-exam-6-study-guide-2020-GI-and-liver-1docx/

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