A 60-year-old male presents with GI bleeding and abdominal pain. He reports that he takes NSAIDs daily to prevent heart attack. Tests reveal that he has a peptic ulcer. The most likely cause of this disease is:
a. Increasing subepithelial bicarbonate production
b. Accelerating the H+ (proton) pump in parietal cells
c. Inhibiting mucosal prostaglandin synthesis
d. Stimulating a shunt of mucosal blood flow
Acute pancreatitis often manifests with pain to which of the following regions?
a. Right lower quadrant
b. Right upper quadrant
A 60-year-old male is diagnosed with cancer of the esophagus. Which of the following factors most likely contributed to his disease?
a. Reflux esophagitis
b. Intestinal parasites
c. Ingestion of salty foods
d. Frequent use of antacids
The primary complication of enterocolitis associated with Hirschsprung disease is related to which finding?
a. Fecal impaction
b. Pancreatic insufficiency
c. Hyperactive peristalsis
d. Ileal atresia
The most common cause of chronic vascular insufficiency among the elderly is:
c. Lack of nutrition in gut lumen
The most common clinical manifestation of portal hypertension is _____ bleeding.
A 54-year-old male is diagnosed with peptic ulcer disease.This condition is most likely caused by:
a. Hereditary hormonal imbalances with high gastrin levels
b. Breaks in the mucosa and presence of corrosive secretions
c. Decreased vagal activity and vascular engorgement
d. Gastric erosions related to high ammonia levels and bile reflux
The cardinal sign of pyloric stenosis caused by ulceration or tumors is:
A 55-year-old male died in a motor vehicle accident. Autopsy revealed an enlarged liver caused by fatty infiltration, testicular atrophy, and mild jaundice secondary to cirrhosis. The most likely cause of his condition is:
a. Bacterial infection
b. Viral infection
d. Drug overdose
Manifestations associated with hepatic encephalopathy from chronic liver disease are the result of:
a. hyperbilirubinemia and jaundice.
b. fluid and electrolyte imbalances.
c. impaired ammonia metabolism.
d. decreased cerebral blood flow.
The most common disorder associated with upper GI bleeding is:
c. esophageal varices.
A 3-month-old female develops colicky pain, abdominal distention, and diarrhea after drinking cow’s milk. The best explanation for her symptoms is:
a. Deficiency of bile that stimulates digestive secretions and bowel motility
b. Excess of amylase, which increases the breakdown of starch and causes an osmotic diarrhea
c. Overgrowth of bacteria from undigested fat molecules, which leads to gas formation and de creased bowel motility
d. Excess of undigested lactose in her digestive tract, resulting in increased fluid movement into the digestive lumen and increased bowel motility
A 55-year-old female has general symptoms of gallstones but is also jaundiced. IV cholangiography would most likely reveal that the gallstones are obstructing the:
a. Intrahepatic bile canaliculi
c. Cystic duct
d. Common bile duct
A 1-week-old female is brought to her pediatrician for abdominal distention and unstable temperature. Physical examination reveals bradycardia and apnea. Tests reveal hypoxic injury to the bowel resulting in bacterial invasion and perforation. This condition is referred to as:
a. Infective enteropathy
b. Necrotizing enterocolitis (NEC)