Brock Biology Of Microorganisms - Package
14th Edition
ISBN: 9780134462660
Author: MADIGAN
Publisher: PEARSON
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Chapter 32, Problem 5RQ
Summary Introduction
Malaria is a disease caused by Plasmodium which is parasitic protozoan and is transmitted to humans by infected female Anopheles mosquitoes. The symptom of malaria includes chills, recurrent fever, diarrhea, vomiting, and headache.
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A clinical microbiologist is studying a microbe that can cause infections and gastrointestinal disease in humans, and which can also survive and reproduce in mice. A dormant cyst form of the microbe infects human hosts through fecal-oral transmission if they come in contact with mouse droppings and don’t wash their hands before eating. The organism grows in long filaments when grown at 20-28 deg C, and forms round/ovoid cells when grown at temperatures above 28 deg C. Sexual reproduction (fusion of haploid gametes) occurs in both humans and mice. A cell wall is present, and cells contain nuclei. This microbe could be which of the following?
Bacterium
Fungus
Virus
Protozoan
a. Compare and contrast the methods used by bacteria andprotozoa to stay alive even when conditions within the environmentare unfavorable to the growth and survival of the organism.
b. Based upon the presenting symptoms,you hypothesize that your patient is suffering from amoebiasis. However, when the laboratory analysis of the pathogen returns, you find out that the microbe is ciliated. Explain how this information may change your thoughts on the patient’s disease diagnosis.
Staphylococcus aureus bacteria can cause various diseases, and many strains exhibit antibiotic resistance. After exposure and colonization, these bacteria can produce hyaluronidase, various exotoxins, and a capsule. Some of the diseases they can cause are:
Pneumonia
Bone/joint infection
Cutaneous soft-tissue infection
Prepare a simple diagram that shows how staphylococcal infection can occur in these different cell types. Label key structures in your diagram.
Add a brief caption that identifies three microbial mechanisms of pathogenicity pertaining to staphylococcal disease.
Chapter 32 Solutions
Brock Biology Of Microorganisms - Package
Ch. 32.1 - Prob. 1MQCh. 32.1 - Prob. 2MQCh. 32.1 - Prob. 3MQCh. 32.2 - Give an example of a superficial, a subcutaneous,...Ch. 32.2 - Prob. 2MQCh. 32.3 - Prob. 1MQCh. 32.3 - Prob. 2MQCh. 32.4 - What symptoms of giardiasis would suggest that...Ch. 32.4 - How does one contract a case of trichomoniasis? A...Ch. 32.4 - What is unusual about the oocysts of...
Ch. 32.5 - Which stages of the Plasmodium life cycle occur in...Ch. 32.5 - What are the natural reservoirs and vectors for...Ch. 32.5 - Prob. 3MQCh. 32.6 - Prob. 1MQCh. 32.6 - Prob. 2MQCh. 32.6 - How are sleep patterns altered in cases of African...Ch. 32.7 - How does the pathogen causing schistosomiasis...Ch. 32.7 - From what source are most cases of human...Ch. 32 - Prob. 1RQCh. 32 - Prob. 2RQCh. 32 - Prob. 3RQCh. 32 - Prob. 4RQCh. 32 - Prob. 5RQCh. 32 - Prob. 6RQCh. 32 - Prob. 7RQCh. 32 - Prob. 1AQCh. 32 - Prob. 2AQCh. 32 - Prob. 3AQCh. 32 - Prob. 4AQ
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