Continuing Medical Education Questions: May 2022
University of Arkansas for Medical Science (UAMS), Little Rock, Arkansas
doi: 10.14309/ajg.0000000000001759
Abstract
Article Title: Evolutionary medicine perspectives: Helicobacter pylori lactose intolerance, and three hypotheses for functional and inflammatory gastrointestinal and hepatobiliary disorders
LEARNING OBJECTIVE
After this activity, the participant will be able to recognize the importance of evolutionary medicine, apply the evolutionary perspectives on two common gastrointestinal conditions (Helicobacter pylori infection and lactose intolerance), and understand the 3 hypotheses which offer causative explanations for multiple diseases in gastroenterology and hepatology practice.
QUESTION 1
Which of the following genetic strains of H. pylori carries the highest risk of developing gastric cancer?
A. babA
B. cagA
C. homB
D. dupA
QUESTION 2
Which of the following hypotheses explains the increasing incidence of eosinophilic esophagitis?
A. Thrifty gene hypothesis
B. Provagal hypothesis
C. Hygiene hypothesis
D. Infectious hypothesis
QUESTION 3
Lactase persistence is rare in people from which of the following regions?
A. Africa
B. East Asia
C. Middle East
D. Indian subcontinent
© 2022 by The American College of Gastroenterology View full article text 
