Question
When monitoring the pH of this organ, a Demeester score of 14.72 or higher indicates acid reflux disease, which may cause a premalignant condition in it named for surgeon Norman Barrett. For 10 points each:
[10e] Name this organ that can be damaged by upward movement of stomach acid while passing food from the pharynx to the stomach.
ANSWER: esophagus
[10m] Proton pump inhibitors are often used to treat acid reflux, and have largely replaced medications targeting this compound’s H2 receptors. Enterochromaffin-like cells release this compound to stimulate stomach acid production.
ANSWER: histamine
[10h] PPIs can also be used to treat this condition in which tumors that secrete gastrin cause excess stomach acid to be produced from parietal cells, creating peptic ulcers.
ANSWER: Zollinger–Ellison syndrome [or Z-E syndrome]
<MS, Biology>
Summary
| California | 2025-02-01 | Y | 3 | 10.00 | 100% | 0% | 0% |
| Florida | 2025-02-01 | Y | 3 | 13.33 | 100% | 33% | 0% |
| Great Lakes | 2025-02-01 | Y | 6 | 10.00 | 100% | 0% | 0% |
| Lower Mid-Atlantic | 2025-02-01 | Y | 6 | 10.00 | 100% | 0% | 0% |
| Midwest | 2025-02-01 | Y | 6 | 13.33 | 100% | 17% | 17% |
| North | 2025-02-01 | Y | 3 | 10.00 | 100% | 0% | 0% |
| Northeast | 2025-02-01 | Y | 5 | 8.00 | 80% | 0% | 0% |
| Overflow | 2025-02-01 | Y | 5 | 14.00 | 100% | 20% | 20% |
| South Central | 2025-02-01 | Y | 2 | 5.00 | 50% | 0% | 0% |
| Southeast | 2025-02-01 | Y | 3 | 10.00 | 100% | 0% | 0% |
| UK | 2025-02-01 | Y | 10 | 11.00 | 90% | 20% | 0% |
| Upper Mid-Atlantic | 2025-02-01 | Y | 7 | 11.43 | 86% | 29% | 0% |
| Upstate NY | 2025-02-01 | Y | 3 | 10.00 | 100% | 0% | 0% |
Data
| Brandeis B | Dartmouth A | 10 | 0 | 0 | 10 |
| Harvard A | Brown A | 10 | 0 | 0 | 10 |
| MIT A | BU | 10 | 0 | 0 | 10 |
| Harvard B | Tufts A | 10 | 0 | 0 | 10 |
| UMass Boston | Brandeis A | 0 | 0 | 0 | 0 |