A 45-year-old patient presents with epigastric pain, nausea, and bloating. The physician suspects gastritis. Which diagnostic test would be most appropriate to confirm the presence of Helicobacter pylori infection as a cause of gastritis?
Complete blood count (CBC)
Serum amylase test
Fecal occult blood test
Urea breath test
The Correct Answer is D
A. A complete blood count (CBC) can be helpful in identifying anemia or infection but does not confirm Helicobacter pylori infection.
B. Serum amylase test helps in diagnosing pancreatitis, not gastritis. It is not appropriate for confirming
H. pylori infection.
C. A fecal occult blood test detects hidden blood in the stool, which may be present in conditions like
gastric ulcers, but it doesn’t specifically diagnose H. pylori infection.
D. The urea breath test is a non-invasive and highly effective diagnostic tool for detecting Helicobacter pylori infection. It helps identify the presence of the bacteria by detecting the breakdown of urea in the stomach, which is metabolized by H. pylori.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Increasing the oxygen flow rate could worsen respiratory depression in patients with COPD, as they rely on low oxygen levels to stimulate breathing.
B. Switching to a non-rebreather mask could further elevate the oxygen levels and may lead to hypoventilation or respiratory distress.
C. Monitoring the patient closely and reassessing in 30 minutes might be appropriate if the patient shows no immediate signs of respiratory distress, but the priority is to address the decreased respiratory rate.
D. Reducing the oxygen flow rate to 1 L/min and notifying the healthcare provider is the most appropriate action, as it may reduce the risk of respiratory depression caused by excessive oxygen.
Correct Answer is ["A","C","D","G"]
Explanation
A. Smoking can exacerbate GERD symptoms. It weakens the lower esophageal sphincter (LES), increasing the likelihood of acid reflux.
B. GERD is not primarily caused by excessive production of stomach acid. It is usually due to a failure of the lower esophageal sphincter to prevent the backflow of stomach contents into the esophagus.
C. GERD is caused by the relaxation of the lower esophageal sphincter. When the LES is weakened or relaxes abnormally, acid can reflux into the esophagus, causing symptoms.
D. Elevating the head of the bed can help reduce GERD symptoms. It helps to prevent acid from moving back into the esophagus during sleep.
E. A diet high in citrus fruits is not recommended for GERD management. Citrus fruits can aggravate acid reflux symptoms.
F. Antibiotics are not the first-line treatment for GERD. Proton pump inhibitors (PPIs) or H2 blockers are typically used to manage GERD symptoms.
G. Obesity is a risk factor for GERD. It can increase intra-abdominal pressure, which may contribute to the reflux of acid into the esophagus.
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