All are true regarding H. Pylori infection EXCEPT

JIPMER Nursing Officer-2017

Microbiology

Easy

Appeared in: JIPMER Nursing Officer-2017

Explanation

The statement that H. pylori is a Gram-positive bacterium is factually incorrect.
Helicobacter pylori is a classic example of a Gram-negative bacterium, as confirmed by its staining properties and cell wall structure.
In an 'EXCEPT' question format, the false statement is the correct answer.
Gram staining is a fundamental classification method for bacteria; Gram-negative bacteria appear pink or red, while Gram-positive bacteria appear purple.

Option B: This is a true statement. Standard first-line treatment for H. pylori is a 14-day course of 'triple therapy,' typically involving a proton pump inhibitor (PPI) and two antibiotics like clarithromycin and amoxicillin.
Option C: This is a true statement. H. pylori produces a large amount of the urease enzyme, which breaks down urea into ammonia. This ammonia neutralizes stomach acid, creating a protective microenvironment for the bacterium to survive.
Option D: This is a true statement. Chronic H. pylori infection is the leading cause of gastric MALT (Mucosa-Associated Lymphoid Tissue) lymphoma, also known as a Maltoma. Eradication of the infection often leads to regression of the tumor.

Clinical Relevance

Nursing practice connection: Knowing Characteristics and pathophysiology of Helicobacter pylori infection helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses play a crucial role in patient education regarding H. pylori treatment, emphasizing the importance of completing the full course of antibiotics to prevent antibiotic resistance and ensure successful eradication.
Understanding the link between H. pylori and serious conditions like peptic ulcer disease and gastric cancer helps nurses identify at-risk patients and advocate for appropriate testing and treatment.
The urease production by H. pylori is the principle behind the Urea Breath Test, a common non-invasive diagnostic tool that nurses may help administer or explain to patients.

How to Approach the Question

First, identify the negative framing of the question by spotting the keyword 'EXCEPT'. This means you are looking for the one option that is a false statement.
Read the question stem carefully: 'All are true regarding H. Pylori infection EXCEPT'.
Evaluate each option independently to determine if it is a true or false statement about H. pylori.
Option A: Is H. pylori Gram-positive? Recall or look up its classification. It is Gram-negative.
Option B: Is it treated with triple therapy? This is the standard treatment.
Option C: Does it produce urease? This is its key survival enzyme.

Concept Tested & Keywords

Concept Tested: Characteristics and pathophysiology of Helicobacter pylori infection
Stem keywords: H. Pylori infection
Lead-in keywords: All are true, EXCEPT
Negative lead-in flag: The question asks for the exception, meaning the one false statement among the options.

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