9 out of 11
Question 11 ptsSkip to question text.
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Question 21 ptsThe most common cause of mechanical bowel obstruction is
The most common cause of mechanical bowel obstruction is | volvulus. | | adhesions. |

| intussusception. | | fecal impaction. | Flag this Question
Question 31 ptsCombined dysphagia with both solids and liquids is typical of
Combined dysphagia with both solids and liquids is typical of | esophageal stricture. | | esophageal tumors. |

| achalasia. | | Mallory-Weiss syndrome. | Flag this Question
Question 41 ptsWhat is a common cause of gastroenteritis due to Salmonella?
What is a common cause of gastroenteritis due to Salmonella? | unrefrigerated custards or salad dressings | | raw or undercooked poultry or eggs |

| poorly canned foods | | contaminated water | Flag this Question
Question 51 ptsA 54-year-old male is diagnosed with peptic ulcer disease. This condition is most likely caused by:
A 54-year-old male is diagnosed with peptic ulcer disease. This condition is most likely caused by: | Breaks in the mucosa and presence of corrosive secretions | | Decreased vagal activity and vascular engorgement |

| Hereditary hormonal imbalances with high gastrin levels | | Gastric erosions related to high ammonia levels and bile reflux | Flag this Question
Question 61 ptsMost gastric polyps are microscopically classified as
Most gastric polyps are microscopically classified as | hyperplastic polyps | | fundic gland polyps |

| tubular adenomas | | villous adenomas | Flag this Question
Question 71 ptsA 50-year-old male is experiencing reflux of chyme from the stomach. He is diagnosed with gastroesophageal reflux. This condition is caused by:
A 50-year-old male is experiencing reflux of chyme from the stomach. He is diagnosed with gastroesophageal reflux. This condition is caused by: | Loss of muscle tone at the lower esophageal sphincter | | Reverse peristalsis of the stomach |

| Fibrosis of the lower third of the esophagus | | Stricture of the esophagus | Flag this Question
Question 81 ptsThe finding of anti-endomysial antibodies in a person with intestinal malabsorption strongly favors the diagnosis of
The finding of anti-endomysial antibodies in a person with intestinal malabsorption strongly favors the diagnosis of | tropical sprue | | lactase deficiency |

| Whipple disease | | celiac sprue | Flag this Question
Question 91 ptsWhat is the first change in arterial blood gases with diarrhea?
What is the first change in arterial blood gases with diarrhea? | increased carbonic acid | | decreased bicarbonate ion |

| increased serum pH | | increased bicarbonate ion | Flag this Question
Question 101 ptsA 45-year-old male complains of heartburn after eating and difficulty swallowing. He probably has:
A 45-year-old male complains of heartburn after eating and difficulty swallowing. He probably has: | Achalasia | | Hiatal hernia |

| Pyloric stenosis | | Gastric cancer | Flag this Question
Question 111 ptsWhat is a common sign of acute gastritis?
What is a common sign of acute gastritis? | projectile vomiting after eating | | diarrhea with abdominal distention |

| vomiting with epigastric tenderness | | colicky right upper quadrant pain |