Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Textbook Question
Chapter 18, Problem 1CAE
Which of the following is proof of a disease state? Why doesn’t the other situation confirm a disease stale? What is the disease?
- a. Mycobacterium tuberculosis is isolated from a patient
- b. Antibodies against M. tuberculosis are found in a patient
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Students have asked these similar questions
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.
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
The Genus Klebsiella sp is the causative agent of Pneumonia and Meningitis.
Select one:
a. False
b. True
Chapter 18 Solutions
Microbiology: An Introduction
Ch. 18 - Which could cause the disease it is supposed to...Ch. 18 - Define the following terms, and give an example of...Ch. 18 - DRAW IT Label the components of the direct and...Ch. 18 - How are monoclonal antibodies produced? What is...Ch. 18 - Explain the effects of excess antigen and antibody...Ch. 18 - Prob. 6RCh. 18 - How does the antigen in an agglutination reaction...Ch. 18 - Match the following serological tests in column A...Ch. 18 - Prob. 9RCh. 18 - Prob. 10R
Ch. 18 - What problems are associated with the use of live...Ch. 18 - Prob. 2ACh. 18 - Prob. 3ACh. 18 - Prob. 1MCQCh. 18 - Prob. 2MCQCh. 18 - Prob. 3MCQCh. 18 - Prob. 4MCQCh. 18 - Prob. 5MCQCh. 18 - Prob. 6MCQCh. 18 - Prob. 7MCQCh. 18 - Test used to identify rabies virus in the brain of...Ch. 18 - Prob. 9MCQCh. 18 - Prob. 10MCQCh. 18 - Which of the following is proof of a disease...Ch. 18 - Prob. 2CAECh. 18 - Prob. 3CAECh. 18 - Prob. 4CAE
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Different strains of Streptococcus pyogenes have different virulence factors, giving these microbes much versatility. Virulence factors include which of the following? Choose one or more: A.A capsule that, when thick, will help the organism avoid phagocytosis by macrophages B.A cell wall containing lipoteichoic acid, thought to facilitate adherence to pharyngeal epithelial cells C.Enzymes that lyse blood cells (streptolysins) D.The production of several endotoxins called streptococcal pyogenic endotoxins (SPEs)arrow_forwardA positive tuberculin test shows cellular immunity to Mycobacterium tuberculosis. How could a person acquire this immunity?arrow_forwardThe pathogen Neisseria meningitidis has the nickname "the meningococcus". What is meningococcemia? A. The presence in the blood of any coccus that can cause meningitis. B. N. meningitidis in the bloodstream. C. It is the same as pneumococcemia.arrow_forward
- Which of the following statements is correct? a. Serial interval is the length of time a person can transmit or shed an infectious agent b. Contamination of the drinking water source of a community by infectious agent(s) will likely result in a continuous common source epidemic c. It is not possible for people who have not shown symptoms of measles yet, to transmit measles infection d. Mary Mallon was a chronic carrier of Vibrio choleraearrow_forwardPseudomonas aeruginosa is a rod-shaped bacterium which causes PneumoniA. Select one: a. False b. Truearrow_forwardThe organism that causes bubonic plague can only be transmitted by the bite of an infected flea, the biological vector. A. True B. Falsearrow_forward
- Show a diagram showing the process of Mycobacterium tuberculosis on a cellular levelarrow_forwardThe organism tested on Blood Agar (plate shown furthest to the left) is: a. Micrococccus luteus b. Staphylococcus aureus. c. Staphylococcus epidermidis You know because of which specific features of the hemolytic reactionarrow_forwardWhich bacterium is responsible for the disease in the picture below? O C. difficile B. anthracis S. aureus C. perfringens C. tetaniarrow_forward
- A patient presents typical symptoms of pneumonia: cough, fever, and difficulty breathing. Would this be a scenario where an investigator could use Koch's postulate to determine the etiology of the patient's pneumonia? Why or why not? (Explain the Koch's postulate when answering the question). you wouldn't use the pneumonia for the Koch's postulate because there are several pathogens that produce the same symptoms?arrow_forwardWhich infectious agent of those covered in the chapter would mostlikely be acquired from a contaminated doorknob?a. Staphylococcus aureus b. Streptococcus pyogenes c. Neisseria meningitidis d. Streptococcus pneumoniaearrow_forwardCompare and contrast the virulence factors associated with Staphylococcus aureus and Streptococcus pyogenes. Which of these agents is the most difficult to treat. Explain your answerarrow_forward
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