Answer to Question 1
1
Rationale 1: H2-receptor blockers are the drugs of first choice in treating peptic ulcers.
Rationale 2: Magaldrate (Riopan) is an antacid.
Rationale 3: Omeprazole (Prilosec) is a proton-pump inhibitor.
Rationale 4: Sodium bicarbonate (Alka-Seltzer) is an antacid.
Global Rationale: H2-receptor blockers are the drugs of first choice in treating peptic ulcers. Magaldrate (Riopan) is incorrect because it is an antacid. Omeprazole (Prilosec) is incorrect because Prilosec is a proton-pump inhibitor. Sodium bicarbonate (Alka-Seltzer) is incorrect because Alka-Seltzer is an antacid.
Answer to Question 2
3
Rationale 1: Nausea and vomiting are more common with a gastric ulcer.
Rationale 2: Anorexia is more common with a gastric ulcer.
Rationale 3: A duodenal ulcer is characterized by a gnawing or burning upper abdominal pain that occurs 13 hours after a meal. The pain is worse when the stomach is empty. Nighttime pain, nausea, and vomiting with anorexia are more common with a gastric ulcer.
Rationale 4: Nighttime pain is more common with a gastric ulcer.
Global Rationale: A duodenal ulcer is characterized by a gnawing or burning upper abdominal pain that occurs 13 hours after a meal. The pain is worse when the stomach is empty. Nighttime pain, nausea, and vomiting with anorexia are more common with a gastric ulcer.
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
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