Biod 121 Nutrition Exam Module 2 90+ Questions And Correct Answers 2023.

BIOD 121 Nutrition Exam MODULE 2 90+ QUESTIONS AND CORRECT ANSWERS 2023. BIOD 121 Portage module 2 1. protein digestion: 1. cooking 2. pepsin (in stomach) 3. cholecystokinin -CCK (small intestine) - travels to pancreas, releases trypsin back to SI 4. trypsin - breaks peptide chains 5. amino acids absorbed through portal vein to liver 2. digestion: transforming food into basic nutrients that can be absorbed and used by the body 3. sensory stimuli before digestion: cognition sound odor appearance taste 4. peristalsis: Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system. 5. digestive enzymes: catalyze the chemical reactions required to break down food particles into smaller parts, which prepares the nutrients for absorption 6. mucosa: intestinal wall, innermost layer 7. circular and longitudinal muscles: mix and move food along the GI tract 8. passive diffusion: substances move without energy high to low concentration 9. facilitated diffusion: special protein carrier is required to help substances cross in or out of the cell high to low concentration 10. active transport: requires energy low to high concentration 11. GI tract 6 main parts: 1 - mouth 2 - esophagus 3 - stomach 4 - small intestine 5 - large intestine 6 - rectum 12. GI tract accessory organs: salivary glands, liver, gallbladder, pancreas 13. mouth: alter food particles for swallowing mechanical and chemical digestion