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101. A 24-year-old woman comes to the physician because of a 2-day history of fever, cramping lower abdominal pain, and diarrhea with frequent, small bowel movements mixed with blood and mucus. Two children who attend the day-care center where this patient works have similar symptoms. Her temperature is 38°C (100.4°F). Physical examination shows no other abnormalities. Culture of the stool grows nonlactose- fermenting, gram-negative bacilli. Which of the following is the most likely mechanism of the pathogenesis of this infection? A) Antigen-antibody complexes B) Immune response to cross-reactive antigens C) Invasion of colonic mucosa D) Multiplication in the Peyer's patches E) Toxin binding to small intestinal mucosa

101. A 24-year-old woman comes to the physician because of a 2-day history of fever, cramping lower abdominal pain, and diarrhea with frequent, small bowel movements mixed with blood and mucus. Two children who attend the day-care center where this patient works have similar symptoms. Her temperature is 38°C (100.4°F). Physical examination shows no other abnormalities. Culture of the stool grows nonlactose- fermenting, gram-negative bacilli. Which of the following is the most likely mechanism of the pathogenesis of this infection? A) Antigen-antibody complexes B) Immune response to cross-reactive antigens C) Invasion of colonic mucosa D) Multiplication in the Peyer's patches E) Toxin binding to small intestinal mucosa

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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101. A 24-year-old woman comes to the physician because of a 2-day history of fever, cramping lower abdominal pain, and diarrhea with frequent, small bowel movements mixed with blood and mucus. Two children who attend the day-care center where this patient works have similar symptoms. Her temperature is 38°C (100.4°F). Physical examination shows no other abnormalities. Culture of the stool grows nonlactose- fermenting, gram-negative bacilli. Which of the following is the most likely mechanism of the pathogenesis of this infection? A) Antigen-antibody complexes B) Immune response to cross-reactive antigens C) Invasion of colonic mucosa D) Multiplication in the Peyer's patches E) Toxin binding to small intestinal mucosa
Transcribed Image Text:101. A 24-year-old woman comes to the physician because of a 2-day history of fever, cramping lower abdominal pain, and diarrhea with frequent, small bowel movements mixed with blood and mucus. Two children who attend the day-care center where this patient works have similar symptoms. Her temperature is 38°C (100.4°F). Physical examination shows no other abnormalities. Culture of the stool grows nonlactose- fermenting, gram-negative bacilli. Which of the following is the most likely mechanism of the pathogenesis of this infection? A) Antigen-antibody complexes B) Immune response to cross-reactive antigens C) Invasion of colonic mucosa D) Multiplication in the Peyer's patches E) Toxin binding to small intestinal mucosa
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