Back to lessons
Escherichia coli pathotypes and urinary infection
Watch the video here for free, with no account or subscription. Try a sample question; membership adds the companion chapter and full quiz.
Free video · no account needed · 12 minutesWatch on YouTube
CONTINUE THIS LESSON
Read deeper. Practice the reasoning.
The video above is free for everyone. Membership unlocks the companion chapter and the complete Step 1 style question block for this and other published lessons.
Unlock chapters & practiceAlready a member? Sign in
TRY THE PRACTICE EXPERIENCE
SAMPLE QUESTIONApply the idea.
Choose an answer, then see the reasoning. The full question block is included with membership.
A traveler develops profuse watery diarrhea without fever or blood. An E. coli isolate produces a heat-sensitive toxin. In enterocytes, the toxin causes prolonged activation of adenylate cyclase after the initiating extracellular stimulus is removed.