Which of the following is NOT true of bacterial exotoxins? Important in the pathogenesis of many human diseases Their toxic effect can be systemic, affecting cells distant from the primary site of infection None of the other four answers (All are true of bacterial exotoxins) Different exotoxins may affect different types of cells (e.g., nerves, gastrointestinal mucosa) Some exotoxins have two components, A (active) and B (binding)

Which of the following is NOT true of bacterial exotoxins? Important in the pathogenesis of many human diseases Their toxic effect can be systemic, affecting cells distant from the primary site of infection None of the other four answers (All are true of bacterial exotoxins) Different exotoxins may affect different types of cells (e.g., nerves, gastrointestinal mucosa) Some exotoxins have two components, A (active) and B (binding)

Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach

5th Edition

ISBN:9781285244662

Author:White

Publisher:White

Chapter1: Basics Of Asepsis

Section: Chapter Questions

Problem 4SEPT

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CAN Corynebacterium diphtheriae be infected by a viruses. I know it is a bacteria but I need to know if it is possible for it to be infected by a virus. Please be specific but in terms that is easy to understand. PLEASE answer this specif question. I don't need to know the causes, effects, outcomes, etc of Corynebacterium diphtheriae. I already know that stuff, I need this specific question answered. THANK YOU.
Exotoxins can be the following EXCEPT: Othey are LPS/lipopolysacharride O they are proteins they are made by bacteria growing in our bodies O they are secreted and act OUTSIDE the bacteria
Describe the differences in bacterial endotoxin and bacterial exotoxins with respect to mode of action, signs and symptoms, and body’s response to these toxins. What would you say is the logical reason bacteria make toxins?
Which of the following contribute to a pathogen's invasiveness? endotoxins hyaluronidase F protein
As the immune system increases fluids in a tissue resulting in swelling and increased mucus production during infection a bacteria will utilize to maintain themselves in a patient's tissue. Salmonella would utilize these to maintain themselves in the gastrointestinal tract and not be pushed out of the host by peristalsis. O Adhesins O Exoenzymes O Endotoxins O Exotoxins O None of the above apply
Microbes possess many different strategies to help them cause disease called virulence factors. Explain how two virulence factors work. For each virulence factor state the name of the mechanism, explain how it works and what advantage it gives the organism that helps it cause disease.
All are true of endotoxins except Are associated with Gram negative bacteria Cause fever and malaise Are part of the bacterial cell wall LPS released when cell dies Are associated with Gram positive bacteria.
The CDC estimates that there are 1,000,000 cases of Salmonella infections , with 380 deaths each year in the US. Salmonella infections are a good example for O a disease for which number of cases annually can be easily estimated because the only successful treatment is with prescribed antibiotics an underreported disease because it is self-limiting, i.e. patient recovers without medical intervention
You can choose one or more than one option Prions are bacterial proteins. destroyed by heat from 50` C (or 122T) misfolded infectious proteins aggregated without nucleic acids aggregated by covalent bonds in the blood the causal agent of poliomyelitis
Which of the following is NOT true of bacterial endotoxin? 1. None of the other four answers (All are true of bacterial endotoxin) 2. Can cause life-threatening drop in blood pressure (shock) 3. Composed of proteins produced by bacteria and released into surrounding environment 4. Composed of lipid A, a component of the gram-negative bacterial outer membrane 5. Stimulates macrophages to produce a substance (TNF) that damages capillaries
(b) List TWO (2) types of common food hazards. Describe the properties of bacteria endotoxin based on the following component; (i) (ii) (iii) Stability Antigenicity Toxicity
An infection that stays in a specific location is a infection. O Focal O Localized O Systemic