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BIOD 151 Module 3 Exam 2024 (Portage Learning)
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BIOD 151 Module 3 Exam 2024 (Portage Learning)
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BIOD 151 Module 3 Exam 2024 (Portage Lear ning ) Score for this quiz: 98 out of 100 Question 1 pts Explain why someone who has hypergastrinemia (excessive secretion of gastrin) might develop gastric/stomach ulcers. Your Answer: Excessive amounts of gastrin can begin to eat away at the tissue in the stomach causing ulcers which are essentually sores in the stomach. Gastrin stimulates the secretions of pepsinogens and hydrochloric acid. Excess amounts would lead to erosion of the stomach lining. Question 2 pts Explain in detail how the stomach contents enter the small intestine. Your Answer: The pyloric spinchter opens up allowing small amounts of chyme to enter the small intestine. It opens and closes allowing small amounts to exit the stomach at a time. The pyloric sphincter (valve), located at the base of the stomach, relaxes causing a small quantity of chyme to pass through the opening into the first part of the small intestine. This initiates a reflex that causes the muscles of the sphincter to contrac t and close the opening temporarily. Then the sphincter relaxes again and allows more chyme to enter. Question 3 pts Look carefully at the diagram below. Label the following 5 organs of the digestive system. To receive credit for the intestines you must label the specific region. 3: 4: 7: 9: 10: Your Answer: 3. Stomach 4. Gallbladder 7. Jejunnum 9. Appendix 10. Rectum 3: Stomach 4: Gallbladder 7: Jejunum (not small intestine)Los beneficios de comprar resúmenes en Stuvia estan en línea:
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