The physician orders a patient with a duodenal ulcer to take a UREA breath test. Which lab value will the test measure to determine if
H. Pylori is present?
Ammonia
Hydrochloric Acid
Potassium
Carbon Dioxide
The Correct Answer is D
Choice A rationale
The UREA breath test does not measure ammonia levels. While H. pylori can convert urea to ammonia and carbon dioxide, the test specifically measures the level of carbon dioxide in the breath.
Choice B rationale
The UREA breath test does not measure hydrochloric acid. Hydrochloric acid is produced by the stomach to aid in digestion, but it is not measured in the UREA breath test.
Choice C rationale
The UREA breath test does not measure potassium. Potassium is an important electrolyte in the body, but it is not related to the presence of H. pylori or the UREA breath test.
Choice D rationale
The UREA breath test measures carbon dioxide in the breath.
H. pylori bacteria break down urea into ammonia and carbon dioxide. Excess carbon dioxide in the breath is a sign of an H. pylori infection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Surgery to increase mucus will not heal the ulcerations. Peptic ulcers are caused by an imbalance between the digestive fluids hydrochloric acid and pepsin, and the body’s ability to protect itself from these substances. The stomach and the duodenum have some protection from these acids, but if this protection is decreased, or the production of acids and pepsin is increased, an ulcer can form.
Choice B rationale
A common cause of peptic ulcer disease is an infection from Helicobacter pylori (H. pylori).
H. pylori is a bacterium that can damage the protective lining of your stomach and small intestine. This can lead to inflammation and ulcers.
Choice C rationale
Gastric ulcers do not occur more frequently than peptic ulcers. In fact, peptic ulcers include both gastric ulcers, which form on the lining of the stomach, and duodenal ulcers, which form on the lining of the upper part of the small intestine.
Choice D rationale
Erosion is not confined to the stomach and esophagus in peptic ulcer disease. Peptic ulcers can occur in the stomach and the duodenum, and less commonly, the lower esophagus.
Correct Answer is B
Explanation
Choice A rationale
Jello is generally well-tolerated by patients with dumping syndrome. It is not high in sugar or fat, which are the main dietary triggers for dumping syndrome symptoms.
Choice B rationale
Coffee with sugar and a glazed donut are foods that should be avoided by patients with dumping syndrome. These foods are high in simple sugars, which can cause rapid gastric emptying and trigger dumping syndrome symptoms.
Choice C rationale
Eggs and toast are generally well-tolerated by patients with dumping syndrome. These foods are not high in simple sugars or fat, which are the main dietary triggers for dumping syndrome symptoms.
Choice D rationale
Spinach and avocado salad is generally well-tolerated by patients with dumping syndrome. This meal is not high in simple sugars or fat, which are the main dietary triggers for dumping syndrome symptoms.
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