Prescott's Microbiology
10th Edition
ISBN: 9781259281594
Author: Joanne Willey, Linda Sherwood Adjunt Professor Lecturer, Christopher J. Woolverton Professor
Publisher: McGraw-Hill Education
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Chapter 32.2, Problem 3RIA
People who suffer from colitis often find that their symptoms improve if they increase the amount of fiber in their diet. Why might this be the case?
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People who suffer from colitis often find that their symptoms improve if they increase the amount of fiber in their diet. Why might this be the case?
The inflammatory bowel disease ulcerative colitis is thought to be a result of a breakdown of the mucus barriers within the intestine due to reduced mucus production. Therefore, in ulcerative colitis patients you would expect to observe a decrease in the amount of:
1) goblet cells
2) circular muscle
3) submucosa
4) serosa
describe how the bacteria ,mycobacterium ulcerans must be present in a person suffering from buruli ulcers.
Chapter 32 Solutions
Prescott's Microbiology
Ch. 32.1 - What methanogenic substrates are also available in...Ch. 32.1 - What is the nutritional type of the endosymbiotic...Ch. 32.1 - Prob. 3MICh. 32.1 - How does myxobacterial predation differ from that...Ch. 32.1 - How could one test to see if an insect-microbe...Ch. 32.1 - What is the role of the Riftia tube worms...Ch. 32.1 - Prob. 1.3RIACh. 32.1 - What is meant by tight trophic coupling between...Ch. 32.1 - Why is it important that the rumen is a reducing...Ch. 32.1 - Describe the mutualism between methanogenic...
Ch. 32.1 - How does cooperation differ from mutualism? What...Ch. 32.1 - Why is the X. nematophilaS. carpocapsae symbiosis...Ch. 32.1 - Prob. 3.1RIACh. 32.1 - Why is nitrification a good example of a...Ch. 32.1 - Define predation and parasitism. How are these...Ch. 32.1 - Prob. 3.4RIACh. 32.1 - What is a lichen? Why is this considered an...Ch. 32.1 - Describe the amensalism observed in attine ant...Ch. 32.1 - Prob. 4.2RIACh. 32.1 - What is the competitive exclusion principle? List...Ch. 32.2 - How might a microbial symbiont affect the uptake...Ch. 32.2 - Cite three reasons a germfree mouse would be more...Ch. 32.2 - People who suffer from colitis often find that...Ch. 32.3 - 1. Why is it important to understand the normal...Ch. 32.3 - Why is the skin not always a favorable...Ch. 32.3 - How do microorganisms contribute to body odor?Ch. 32.3 - Prob. 1.4RIACh. 32.3 - Prob. 2.1RIACh. 32.3 - What physiological processes move the microbiota...Ch. 32.3 - What is the role of pH in determining the...Ch. 32.3 - How would you define an opportunistic...Ch. 32 - Describe an experimental approach to determine if...Ch. 32 - Prob. 2CHICh. 32 - Prob. 3CHICh. 32 - Compare and contrast the microbial communities...Ch. 32 - The fruit fly Drosophila melanogaster is an...
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- Hypothetically speaking, what would this graph suggest about the cause of ulcers? Assume Con is a placebo and Exptl is an antibiotic treatment. a) The excess acid theory is correct b) Antibiotics reduce acid production c) Bacteria likely cause ulcers d) Antibiotics do not impact ulcersarrow_forwardHow can Crohn’s disease and ulcerative colitis be cured?arrow_forwardWhy may a person get diarrhea if he/she eats cold food?arrow_forward
- Explain the structural and functional changes in the crohn's disease process that led to weight loss.arrow_forwardInflammation of the digestive tract is common to most irritable bowel diseases including Crohn’s Disease, IBD Syndrome, and Celiac’s Disease. While each of these diseases causes inflammation by a different mechanism, they all result in decreased capacity to absorb nutrients and minerals. In extreme cases, this can lead to severe diarrhea, malnutrition, osteoporosis (weakening of the bones), and iron deficiency, to name a few. Based on the information above, which region(s) and structure(s) of the alimentary canal is (are) most likely targets of inflammation? Explain your answer based on the roles of each segment of the alimentary canal.arrow_forwardHypothetically speaking, what would this graph suggest about the cause of ulcers? Assume Group 1 is antacid treatment and Group 2 is a placebo. # Ulcers/ patient Group 1 Treatment Group a) Antibiotics prevent ulcers b) Bacteria cause excess acid Group 2 Oc) The excess acid theory is correct d) The excess acid theory is incorrectarrow_forward
- Specify two conditions that may lead to failure to absorb vitamin B12.arrow_forwardHow could non-steroidal antiinflammatory drugs (NSAIDs) induce ulcers? How could it be prevented?arrow_forwardWhat is a common outcome of “yo-yo” dieting, or a pattern of losing and gaining weight? Question 17 options: a) An increase in visceral fat b) A redistribution of subcutaneous fat in the body c) Anorexia nervosa d) A decrease in the likelihood that future weight loss efforts will be successfularrow_forward
- Explain the structural and functional changes in Crohn's disease process that lead to weight lossarrow_forward6. a)List the four stages involved in digestion. b)List the four blood components, and the function of each one. c)What is the dierence between arteries and veins? d)What is(are) the health risk(s) associated with eating too much processed foods that are low in fiber?arrow_forwardList the three most important ways to increase the intestinal surface without increasing the length of the intestine (start with the largest):arrow_forward
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