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PTG 105 - Exam 3 - Lecture 15-4
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Intestinal Metaplasia caused by Helicobacter pylori predisposes the patient to what diseases?
Dysplasia
Carcinoma
The normal stomach lining has what features?
Deep gastric pits
Numerous mucus-secreting glands
A stomach biopsy shows deep gastric pits and numerous mucus-secreting glands. What is the diagnosis?
Normal, no disease
Define PUD:
Peptic ulcer disease
What is the pathogenesis of PUD?
Mucosa is exposed to pepsin and gastric acid
What is the major cause/risk factor for Peptic ulcer formation?
Helicobacter pylori (80%)
What percent of patients presenting with PUD have a Helicobacter pylori infection?
80%
What are the six major causes of PUD?
Helicobacter pylori
Drugs- NSAIDs/Corticosteroids
Stress
Alcohol
Smoking
Excessive acid production in the stomach
What is the major cause of PUD in patients not found to have H. pylori?
NSAIDs
What is the name for a disease where the patient has intractable peptic ulcers?
Zollinger Ellison syndrome
What does ZE stand for?
Zollinger Ellison syndrome
What causes Zollinger Ellison syndrome?
Gastrin secreting tumor of the pancreas
Gastrin then stimulates acid production in the stomach
What is the effect of gastrin secretion?
Stimulates acid production in the stomach
Helicobacter pylori has what effect on the greater GI tract?
Impairs the protective mechanisms of GI against acid and proteolytic enzymes
What is known to impair the protective mechanisms of GI against acid and proteolytic enzymes?
Helicobacter pylori
The definition of Intractable is:
Hard to deal with
Difficult
Or Stubborn
What is the mechanism of NSAID related ulcers?
Answer yet unknown
Which are more common duodenal ulcers or gastric ulcers?
Duodenal ulcers (7 times more common)
How much more common are duodenal ulcers than gastric ulcers?
7 times
What is the most frequent site of peptic ulcers?
Duodenum
Where can peptic ulcers form?
Duodenum
Stomach
What are the symptoms of peptic ulcers?
Abdominal pain
What are the potential complications of Peptic ulcer?
Massive occult hemorrhage
Obstruction
Perforation
Failure to heal (chronicity)
What is the most common complication of peptic ulcers?
Massive occult hemorrhage
What serious disease can present as an ulcer?
Cancer
How is a malignant ulcer different from PU on gross examination?
Answer unknown
What actions can be taken to reduce the symptoms of a peptic ulcer?
Remove cause (i.e. smoking)
H2 receptor antagonists
Antibiotics for H pylori
Antacids
PPI
Surgery
What type of surgery can correct Peptic ulcers?
Remove the gastric antrum (area of acid secretion)
Vagotomy
What portion of the stomach controls acid production?
Antrum
Surgical adjustment of nervous control of acid product ion in the stomach is termed:
Vagotomy
Removing the gastric antrum helps relieve what disease?
Peptic ulcers
Vagotomy helps relieve what disease?
Peptic ulcers
Author
kyleannkelsey
ID
211791
Card Set
PTG 105 - Exam 3 - Lecture 15-4
Description
PTG 105 - Exam 3 - Lecture 15-4
Updated
2013-04-06T17:36:39Z
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