MCQOPTIONS
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MCQOPTIONS
| 1. |
Secretin IS released by: |
| A. | Acid in the duodenum. |
| B. | Acid in the urine. |
| C. | S cells in the duodenal mucosa. |
| D. | Distension of the colon. |
| Answer» D. Distension of the colon. | |