Pseudomonas aeruginosa can cause disease in immunocompromised people. What are two characteristics - either epidemiological or part of its biology - that make P. aeruginosa an important opportunistic pathogen? Its lack of endotoxin in cell walls helps it stay "invisible" to phagocytes It forms endospores It is common in its environmental reservoir It is resistant to many disinfectants and antibiotics

Pseudomonas aeruginosa can cause disease in immunocompromised people. What are two characteristics - either epidemiological or part of its biology - that make P. aeruginosa an important opportunistic pathogen? Its lack of endotoxin in cell walls helps it stay "invisible" to phagocytes It forms endospores It is common in its environmental reservoir It is resistant to many disinfectants and antibiotics

Microbiology for Surgical Technologists (MindTap Course List)

2nd Edition

ISBN:9781111306663

Author:Margaret Rodriguez, Paul Price

Publisher:Margaret Rodriguez, Paul Price

Chapter9: Microbial Disease Transmission

Section: Chapter Questions

Problem 3UTM

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A strain of Shigellahas a mutation causing it to lose the ability to produce fimbriae and become less virulent as a consequence. What function has this pathogen lost? Group of answer choices the ability to move from one location in the body to another the ability to produce an endotoxin the ability to adhere to cells of the body the ability to establish a latent infection the ability to prevent phagocytes killing it do not copy from chegg
What characteristic of Staphylococcus skin infections is a direct result of the virulence factor called leukocidin which kills white blood cells? Infections causing fever O Infections that escape phagocytosis Suppurative infections All of the above
IN general encapsulated strains of Streptoccus pneumoiae are more virulent thatn nonencapsulated strains. This is most likely because the encapsulated strains ? Contain antibiotic degrading enzymes produce higher levels of exotoxins are better able to evade the host defenses replicate much more rapidly contain higher levels of nucleases
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 contribute to a pathogen's invasiveness? endotoxins hyaluronidase F protein
portal of entry opportunistic Infection morbidity pathogen healthcare-associated infection virulence factors pathogenicity toxemia Entry into the host by a which can cause disease in a healthy host pathogen can be via a which can cause disease in an immunocompromised host which can establish can lead to attachment and avoidance of host defenses, which depend on may be caused by normal biota may be caused by drug- resistant microbes such as enzymes and toxins that may trigger may enhance which together with fever other signs and symptoms define a Reset
Another term for the antigen-hiding layer found on some bacterial besides glycocalyx or slime layer is: capsid capsule envelope spore
Some S. aureus stains have a number of virulence factors including O Lipase which convey resistance to lipids and staphlokinase which clots the blood. O Lipase which digests lipids and B-lactamase which breaks the matrix between cells. O coagulase which dissolves blood clots and staphlokinase which clots the blood. coagulase which clots the blood and B-lactamase which conveys resistance to penicillin. Question 26 A patient has an infection caused by a bacterial species that produces Deoxyribonucleases, M protein, Streptokinases, Streptolysin S, Exotoxin A, and Hyaluronidase. Which disease does this person have? O Shigellosis O Necrotizing fasciitis O Pertussis Rabies 12 MacBook Air ....
For each of the following: Cyanobacteria, Coronavirus, Chytrids, Ciliates, and Chronic wasting disease. Explain with details how does the pathogen invades our tissues and body after transmission. You need to include any receptors, steps etc. in its life cycle and/or the type of replication or reproduction it exhibits and how and where it exits the cells, tissues, or body. This section can also include how it spreads through the body if that is relevant.
Pseudomonas aeruginosa can be transmitted between hosts through (select all correct answers) inhalation. openings in the skin. ingestion.
Staphylococcus epidermidis on the skin is an example of Mutualism Normal microbiota Opportunistic infection Transient microbiota?
All of the following are methods intracellular pathogens can use to srvive inside a host eell EXCEPT O create a capsule. O Escape the phagosome. O survive in the phagolysosome.

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		Its lack of endotoxin in cell walls helps it stay "invisible" to phagocytes
		It forms endospores
		It is common in its environmental reservoir
		It is resistant to many disinfectants and antibiotics