Microbiology: Principles and Explorations
9th Edition
ISBN: 9781118743164
Author: Jacquelyn G. Black, Laura J. Black
Publisher: WILEY
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Chapter 1, Problem 2CTQ
Can you think of some reasons why it might be hard to fulfill Koch’s Postulates in order to support the “Germ Theory” of disease?
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Have Koch’s postulates been carried out for Lyme disease? Explain.
The following are the limitations of Koch's postulates EXCEPT:
A. some pathogens cannot grow on artificial media and therefore cannot be identified as the causative agent
of the disease
B. some diseases involve multiple pathogens which produce similar symptoms making it difficult to pinpoint
the causative agent
C. some diseases are host-specific and re-inoculation may pose ethical concerns
D. some microorganisms are present in the body fluids of the infected animal which make them difficult to be
cultured
List the main features of Koch's postulates and then explain how it's difficult to prove them for certain diseases?
Chapter 1 Solutions
Microbiology: Principles and Explorations
Ch. 1 - List three reasons to study microbiology.Ch. 1 - What is the difference between microbiology and...Ch. 1 - Prob. 1.3SCCh. 1 - List five bacterial diseases and five viral...Ch. 1 - Prob. 2.1SCCh. 1 - State the germ theory of disease. Try to think of...Ch. 1 - How did Pasteurs experiment with swan-necked...Ch. 1 - Why was the French microbiologists method of broth...Ch. 1 - What were the scientific contributions of Jenner,...Ch. 1 - Prob. 3.2SC
Ch. 1 - What is the Human Genome Project? How has...Ch. 1 - Prob. 1CCSCh. 1 - Prob. 1CTQCh. 1 - Can you think of some reasons why it might be hard...Ch. 1 - As often happens in science, one observation or...Ch. 1 - It is likely that others beside Anton van...Ch. 1 - The completion of chromosomal mapping and...Ch. 1 - Prob. 6CTQCh. 1 - Prob. 1SQCh. 1 - Conclusive evidence of thriving microbial life has...Ch. 1 - Which of the following is not true? (a) A single...Ch. 1 - Which is false regarding Archaea? (a) They lack a...Ch. 1 - Why are microbes important to study and how are...Ch. 1 - Prob. 6SQCh. 1 - Prob. 7SQCh. 1 - Animals such as worms and ticks are too large to...Ch. 1 - Prob. 9SQCh. 1 - Prob. 10SQCh. 1 - What triggered the development and establishment...Ch. 1 - Prob. 12SQCh. 1 - Prob. 13SQCh. 1 - The biggest obstacle in the acceptance and...Ch. 1 - Match the following terms to the appropriate...Ch. 1 - Prob. 16SQCh. 1 - Prob. 17SQCh. 1 - Prob. 18SQCh. 1 - Describe the contributions of the following...Ch. 1 - Prob. 20SQCh. 1 - Prob. 21SQCh. 1 - Prob. 22SQ
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- What is the Germ Theory of Disease? List the contributions of Louis Pasteur, Robert Koch, and Joseph Lister in the germ theory.arrow_forwardList Koch's postulates and describe how this list supports the Germ Therory of Disease.arrow_forwardRobert Koch developed a set of criteria (postulates) for conclusively demonstrating the aetiology (specific cause) of an infectious disease. Which of the following is not a postulate? The infectious agent must be isolated and cultured in vitro The disease is reproduced when a pure culture of the infectious agent is inoculated into a new susceptible host The infectious agent can be recovered from the experimentally-infected host The infectious agent is present in most cases of the diseasearrow_forward
- A. What is Pasteur’s “Germ Theory of Disease?. How did he discover this principle? B. What major obstacle did he have to overcome (A philosophical concept) to establish the validity of the theory.arrow_forwardList Koch’s postulates, and discuss when they might not be appropriate in establishing causation.arrow_forward1) How does cholera kill people? 2) What was Dr. Snow's initial hypothesis on the cause of cholera? 3) What methods did Dr. Snow use to test his hypothesis? 4) What was "The Report That Changed The World" ? 5) What is a voronoi diagram? 6) What is the definition of an "A B Test" ? 7) Name a place where cholera is still a problem today. 8)What public health policies would you apply to help that place?arrow_forward
- Using the Koch's Postulates, support the findings that Mycobacterium tuberculosis is the causative agent of tuberculosis. Specifically, you have to provide brief narratives/pictures/proofs and sources that support the postulate listed below: The organism must be isolated from the newly infected animals and cultured again in the laboratory, after which it should be seen to be the same as the original organism.arrow_forwardA 19-year-old woman presented because of the recent onset of breakthrough bleeding. She has been taking the same oral contraceptive Pill for two years, she has not forgotten any pills or had diarrhea or vomiting. She has been with her current sexual partner for four months and has recently stopped using condoms as additional protection. She is otherwise well. On examination the vulva and vagina are healthy and there is no inflammation. There is a small cervical ectropion and profuse mucus and pus discharge from the cervix. There is no tenderness on bimanual vaginal examination and no masses palpable. An endocervical swab and urine test was administered.arrow_forwardWhat was the common treatment for cholera beginning in the 1830s? Why was this not useful in large populations or during outbreaks?arrow_forward
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