A group of nursing students is reviewing information about upper gastrointestinal system drugs.
The students demonstrate understanding of the material when they identify which of the following as a proton pump inhibitor?
Nizatidine.
Omeprazole.
Sucralfate.
Misoprostol.
The Correct Answer is B
Choice A rationale:
Nizatidine is not a proton pump inhibitor; it is an H2 receptor antagonist. It works by blocking the histamine H2 receptors in the stomach, reducing acid production. Proton pump inhibitors (PPIs) work differently by directly inhibiting the proton pump (H+/K+ ATPase) responsible for acid secretion in the stomach.
Choice B rationale:
Omeprazole is a proton pump inhibitor (PPI). PPIs are drugs that reduce gastric acid production by inhibiting the proton pump (H+/K+ ATPase) in the parietal cells of the stomach. This action is highly effective in treating conditions such as gastroesophageal reflux disease (GERD) and peptic ulcers.
Choice C rationale:
Sucralfate is not a proton pump inhibitor; it is a medication that forms a protective barrier over ulcers and erosions in the stomach and intestines. It does not directly affect acid production.
Choice D rationale:
Misoprostol is not a proton pump inhibitor; it is a synthetic prostaglandin E1 analog. It is primarily used to prevent gastric ulcers in individuals who are at high risk due to chronic nonsteroidal anti-inflammatory drug (NSAID) use. It has a protective effect on the gastric mucosa but does not inhibit acid secretion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Correct Answer is D
Explanation
Choice A rationale:
Lymphoma is not a known adverse effect of aspirin use. Reye's syndrome, a rare but severe condition, is associated with aspirin use in children recovering from viral infections such as chickenpox or influenza. Therefore, it is important to be alert to the development of Reye's syndrome when aspirin is administered to a child with these infections.
Choice B rationale:
Angioneurotic edema is not a typical adverse effect of aspirin use in children with chickenpox. Reye's syndrome is the more relevant concern.
Choice C rationale:
Acute renal failure is not a direct result of aspirin use for fever in children. The primary concern in this context is Reye's syndrome, which affects the brain and liver.
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