FINAL bio 252 Exam Questions and
Answers
digestive tract (aka GI tract) - Ans:-Covering an internal lumen (which is actually "outside" the body)
The disassembly line of our body
accessory digestive organs - Ans:-Teeth, pancreas, assisting in mechanical and chemical digestion
Which of the follo...
Gastrin will go back and promote secretion of gastric juice
How does gastrin from the bottom make it to parietal cells and chief cells? - Ans:✔✔-Gastrin is a protein
that serves as a hormone so it goes through the blood vessels.
Dave Barnes had agonizing pain in his abdomen, followed by heartburn and vomiting. The doctor told
him he has a gastric ulcer in his stomach, caused by the Helicobacter bacteria. It is most likely that the
bacteria: - Ans:✔✔-Penetrated the mucus layer of the stomach
enteric system - Ans:✔✔-Part of autonomic nervous system
From the gut
Acts as an independent system. More neurons here than in whole spinal cord
All local reflexes
The nervous system of the stomach
Long reflexes (interacts with the brain)
Parasympathetic. Medulla oblongata controls gastric secretion and vagus nerve goes all the way down to
the stomach
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