USMLE Exam Prep

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Which portion of the stomach produces HCL?
  1. Cardiac zone
  2. Body
  3. Pyloric zone
  4. All of the above
Explanation
Answer: - B - Of the three zones of the stomach, the body is the only portion in which HCL is produced, in addition to mucus and several different hormones. The cardiac zone primarily produces mucus and the pyloric zone produces mucus and several different types of hormones.
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