Which of the following is false of Campylobacter jejuni infections?
A) It is a Gram-negative, flagellated, spiral-shaped bacterium that grows best in microaerophilic conditions.
B) Antibodies that recognize C. jejuni's lipopolysaccharides can cross-react with sugars on neurons that trigger an autoimmune response against the nervous system called Guillain-Barré syndrome.
C) Although symptoms usually resolve within a week, in immune-compromised patients the bacteria may cause bacteremia, which could lead to sepsis and possibly septic shock.
D) After ingestion, the bacteria burrow through the mucosal layer of the intestine and migrate through intestinal epithelial cells to multiply just beneath the epithelial layer.
E) Infections are primarily associated with eating undercooked beef or cross-contaminating foods with raw beef juices.
Answer: E
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