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Microscopic Colitis: Clinical Features and Diagnosis

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Microscopic Colitis: Clinical Features and Diagnosis

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Questions and Answers

What is the primary role of endocrine cells in the gastrointestinal system?

Producing IgA antibodies

Regulating gut motility

Supporting the gut microbiota

Controlling intestinal enzyme secretion (correct)

Which type of cells are responsible for the selective permeability of nutrients and electrolytes in the intestines?

Columnar epithelial cells (correct)

Macrophages

T lymphocytes

Dendritic cells

In intestinal barrier failure, translocation of pathogens can occur due to what factor?

Major abdominal operations (correct)

Healthy mucosal barrier

Chronic liver diseases

Enhanced gut microbiota

What characterizes secretory diarrhea?

Infection causing water secretion exceeding absorption Signup and view all the answers

Which of the following conditions is associated with an increased risk of intestinal barrier failure?

Critically ill septic patients Signup and view all the answers

What function do mast cells serve in the lamina propria?

Mediating innate and adaptive immune responses Signup and view all the answers

What is the main effect of the single layer of columnar epithelial cells in the gut tissue?

Creating impermeable barriers with tight junctions Signup and view all the answers

Which condition does not contribute to intestinal barrier failure?

Presence of gut microbiota Signup and view all the answers

How do secretory diarrhea and osmotic diarrhea differ?

Secretory diarrhea causes increased water secretion, osmotic diarrhea increased water absorption. Signup and view all the answers

Which type of immune cells are involved in the rapid killing of pathogenic antigens in the intestines?

Intraepithelial cytotoxic T-lymphocytes Signup and view all the answers