A nurse is discussing the role of the brain-gut axis in Irritable Bowel Syndrome (IBS) with a client. What is the significance of the brain-gut axis in IBS pathophysiology?
"The brain-gut axis is not relevant to IBS; it only affects neurological conditions."
"In IBS, there is a complex interaction between the brain and the gut, which can influence gut motility, sensitivity, and overall symptom experience."
"The brain-gut axis primarily impacts the absorption of nutrients in the intestines of individuals with IBS."
"The brain-gut axis is only relevant in cases of severe psychological disorders and not in IBS."
The Correct Answer is B
A) Incorrect. The brain-gut axis is indeed relevant to IBS and plays a significant role in its pathophysiology.
B) Correct. The brain-gut axis refers to the bidirectional communication between the central nervous system (brain) and the enteric nervous system (gut). In IBS, this interaction is complex and can influence gut motility, sensitivity, and overall symptom experience.
C) Incorrect. While the brain-gut axis is important, its primary impact in IBS is not related to nutrient absorption.
D) Incorrect. The brain-gut axis is relevant in various gastrointestinal disorders, including IBS, and is not limited to severe psychological disorders.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Correct. The main subtypes of IBS are based on predominant bowel habits: diarrhea-predominant, constipation-predominant, and mixed (alternating between diarrhea and constipation).
B) Incorrect. These options refer to different types of gastrointestinal disorders (Ulcerative Colitis, Crohn's Disease, and Diverticular Disease) rather than subtypes of IBS.
C) Incorrect. These options refer to various types of gastrointestinal inflammation (Gastritis, Duodenitis, and Esophagitis) but are not subtypes of IBS.
D) Incorrect. These options refer to different categories of gastrointestinal disorders but are not subtypes of IBS.
Correct Answer is B
Explanation
A) Incorrect. Imaging tests like CT scans and MRI are not the primary diagnostic tools for IBS. They may be used to rule out other conditions with similar symptoms.
B) Correct. Diagnostic imaging tests may be used to rule out other conditions that mimic the symptoms of IBS, but they are not specific to diagnosing IBS. Diagnosis of IBS relies on clinical criteria.
C) Incorrect. An ultrasound is not the definitive imaging test for confirming IBS.
D) Incorrect. While specialized endoscopic procedures may be performed to rule out other conditions, they are not required to definitively diagnose IBS. Diagnosis is based on clinical criteria and medical history.
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