Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Textbook Question
Chapter 9.3, Problem 1MI
To which antibiotic (A, B, C, D, or E) is the plated bacterium resistant?
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the organism noted in figures 1 and 2. A Kirby-Bauer disk diffusion assay is shown in figure 3.
Figure 1: Organism under 1000x
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Figure 2:…
Which of the following is true of commensal bacterium?
Question 2 options:
A)
commensal bacteria do not receive any benefit from its host
B)
commensal bacteria only colonize adult hosts
C)
commensal bacterium may also be an opportunistic pathogen
D)
commensal bacterium cannot cause an infection its host
Which antibiotic listed would be most effective against E Coli?
Chapter 9 Solutions
Prescott's Microbiology
Ch. 9.1 - Prob. 1CCCh. 9.1 - Louis Pasteur is often credited with saying,...Ch. 9.2 - Prob. 1CCCh. 9.2 - Prob. 2CCCh. 9.2 - Prob. 3CCCh. 9.3 - To which antibiotic (A, B, C, D, or E) is the...Ch. 9.3 - Prob. 1CCCh. 9.3 - Prob. 2CCCh. 9.3 - Prob. 3CCCh. 9.4 - MICRO INQUIRY What is the difference between...
Ch. 9.4 - Prob. 2MICh. 9.4 - Prob. 3MICh. 9.4 - MICRO INQUIRY How is the mechanism by which...Ch. 9.4 - Prob. 5MICh. 9.4 - Prob. 1CCCh. 9.4 - Prob. 2CCCh. 9.4 - Prob. 3CCCh. 9.4 - Retrieve, Infer, Apply What are antimetabolites?...Ch. 9.5 - Prob. 1CCCh. 9.5 - Prob. 3CCCh. 9.5 - Prob. 4CCCh. 9.6 - Prob. 1CCCh. 9.6 - Prob. 2CCCh. 9.6 - Prob. 3CCCh. 9.7 - MICRO INQUIRY What is the mechanism by which...Ch. 9.7 - Prob. 1CCCh. 9.7 - Retrieve, Infer, Apply Why is malaria, like...Ch. 9.7 - Prob. 3CCCh. 9.8 - Prob. 1CCCh. 9.8 - Prob. 2CCCh. 9.8 - Prob. 3CCCh. 9.8 - Prob. 4CCCh. 9 - Prob. 1RCCh. 9 - Prob. 2RCCh. 9 - Prob. 1ALCh. 9 - Prob. 2ALCh. 9 - Prob. 3ALCh. 9 - Prob. 4ALCh. 9 - Prob. 5AL
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- Is it as effective to take two antibiotics sequentially as it is to take them simultaneously, as long as the total length of time that they are both taken is the same? Explain.arrow_forwardWhich immunization is recommended to protect against the bacterium Haemophilus influenzae type b (Hib), which can cause meningitis and pneumonia? A) HPV vaccine B) Hib vaccine C) Hepatitis B vaccine D) DTaP vaccinearrow_forwardThis petri plate shows the susceptibility of Staphylococcus aureus to different antibiotics. Which antibiotic is least effective? a) Methicillin - Meth b) Control c) All are ineffective d) Ampicillin - Amp e) Vancomycin - Vanarrow_forward
- A vaccine that employs a toxoid is based upon a ______. A) antibody B) attenuated virus C) histamine D) inactivated form of a bacterial exotoxinarrow_forwardMatch the PAMP to the type of pathogen it is specific to. 1) Peptidoglycan 2) Lipopolysaccharides 3) RNA 4) DNA Here is the options: a) Gram-negative bacteria b) Viruses c) Gram-positive bacteriaarrow_forwardWhy must the top agar be supplemented with maltose? A) Maltose allows for binding of the phage to the E. Coli and aids in the infection process B) Maltose helps stabilize the phage within the mediaarrow_forward
- Where do true antibiotics come from in nature? Explain why this is the case.arrow_forwardWhy are certain anti-bacterial agents more effective at killing bacteria?arrow_forwardYou observe a blood agar plate and see a clear/transparent area where the bacteria have been inoculated. With this information what are some possible outcomes if someone was infected with this type of bacteria? Please explain.arrow_forward
- 1.) Why is boiling water not a recommended sterilization method? 2.) List examples of transfusion-transmitted infections. How are these infections prevented?arrow_forwardIdentifying an unknown bacterium is an essential step in the diagnosis and treatment process. Since not every antibiotic is effective against every type of bacteria, knowing what caused a particular infection allows us to make correct prescriptions so patients can recover more quickly. Knowing the cause of an infection also prevents antibiotic resistance as well, since incorrect prescriptions allow bacteria to be unnecessarily be exposed to antibiotics, increasing the chances of developing resistance.arrow_forward1) What is NDM-1? How can NDM-1 spread to different types of bacteria? 2) Why are Gram negative bacteria so much harder to treat with antibiotics? 3) What is KPC? Where does it live?arrow_forward
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