What organ(s) secrete lysozyme AND what does lysozyme do?

What organ(s) secrete lysozyme AND what does lysozyme do?

What organ(s) secrete lysozyme AND what does lysozyme do? 150 150 Nyagu

Name: _________________________________________________________________ last name first, please Bio141 – Human Physiology Spring 2021 Digestive System Questions (up to 10 pts) Due Saturday May 23rd 1. What organ(s) secrete lysozyme AND what does lysozyme do? __________________________________________________________________________________ _________________________________________________________________________________ 2. What organ(s) secrete amylase AND what does amylase do? __________________________________________________________________________________ __________________________________________________________________________________ 3. ______ Maltase, which breaks down the disaccharide maltose, is produced by the: (A) liver, (B) stomach, (C) pancreas, (D) jejunum, (E) small intestine. 4. _______ True or False. Alkaline fluid is secreted by the small intestines, liver, and pancreas. 5. _______ Which of the following is FALSE with regard to bile? (A) it is stored and concentrated in the gallbladder, (B) it includes bile salts that act as fat digesting enzymes, (C) it is green because bilirubin, a breakdown product of hemoglobin, (D) it is produced in the liver, (E) its secretion results in the brown color typically associated with fecal material. 6. _______ True or False. The pancreas secretes enzymes capable of breaking-down all the major classes of biological molecules: carbohydrates, proteins, fats, & nucleic acids 7. _______ True or False. The large intestine is a major site of nutrient absorption. 8. _______ True or False. The small intestines do not secrete their enzymes – they are restricted to the cell membranes of the microvilli – “the brush-border”. 9. _______ True or False. All hydrophilic food stuffs absorbed in the intestines are first sent through the spleen before being dumped into the general circulation. 10. _______ Which of the following is FALSE with regard to GASTRIN? (A) it is a hormone produced by the stomach, (B) it key stimulant of its release is a rise in local pH, (C) caffeine stimulates its release, (D) it increases gastric secretions, (E) it tightens the pyloric sphincter. 11. ________________________________________ What hormone’s secretion is primarily stimulated by a drop in pH? AND What organ secretes it? 12. What is a proton pump? AND what does the stomach use it for? 13. Cholecystokinin is secreted by the duodenum and is specifically stimulated by a rise in material rich in fats & partially digested proteins. Name at least 4 actions resulting from an increase in cholecystokinin. 14. What is happening when someone is “lactose intolerant”? What is missing? What happens to someone that consumes milk when they are lactose intolerant? 15. What are the 4 proteolytic enzymes produced & secreted by the pancreas? _________________________________________________________________________________ _________________________________________________________________________________ 16. Where are they (the 4 pancreatic proteolytic enzymes mentioned above) normally activated AND be specific as to how? Your discussion should address how one avoids digesting your own pancreas. 17. What is Trypsin-inhibitor? and How does this relate to the question above and pancreatitis?
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