Which of the following is NOT true about human plague (Yersinia pestis infection)? Infected fleas' gastrointestinal tract is blocked by Y. pestis growth, causing them to regurgitate and infect a new host when they bite None of the other four answers (All are true about human plague) Usually acquired in the US from bites of fleas that have fed on infected wild rodents. Painful swollen lymph nodes are called "buboes", which is the origin of the name "bubonic" plague Person-to-person respiratory transmission (primary pneumonic plague) is common in the US OOOO

Which of the following is NOT true about human plague (Yersinia pestis infection)? Infected fleas' gastrointestinal tract is blocked by Y. pestis growth, causing them to regurgitate and infect a new host when they bite None of the other four answers (All are true about human plague) Usually acquired in the US from bites of fleas that have fed on infected wild rodents. Painful swollen lymph nodes are called "buboes", which is the origin of the name "bubonic" plague Person-to-person respiratory transmission (primary pneumonic plague) is common in the US OOOO

Body Structures & Functions

12th Edition

ISBN:9781285695495

Author:Scott

Publisher:Scott

Chapter16: Infection Control And Standard Precautions

Section: Chapter Questions

Problem 1ATP

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When vesicular stomatitis virus (VSV) is used to infect mice via footpad injection, viral particles are trapped in the draining lymph node (the popliteal lymph node) within 5 minutes of injection. These viral particles are then retained in the lymph node for many hours, where they can be visualized on cells that are interacting with B cells. The cells retaining the viral particles in the lymph node are not tissue-resident dendritic cells that have migrated to the lymph node with the virus, as this process takes much longer than 5 minutes. In which region of the lymph node would you expect to find the trapped viral particles and on which cells?
Smallpox and Plague continued to bedevil Europe and what appeared to be a new disease, Typhus, made an appearance during the late 15th century All three proceeded to have an impact on continental rivalries through the 18th century. Describe what typhus, its connection to war, and its impact, along with plague during the various conflicts in the period in question. Be sure to provide at least two examples of its impact in war time.
Which of the following is the most correct description of a fever? a. Fever is one way by which the body fights against bacteria. b. Fever is one way in which bacteria cause damage to the body. c. Fever is an indication that the POA/AH is not functioning properly. d. Fever occurs only in homeothermic animals.
Which of the following statements about endotoxin is true? Ita) is an example of an A-B toxin.b) is a component Gram-positive bacteria.c) can be converted to a toxoid.d) is heat-stable.e) causes T cells to release cytokines.
Which of the following best explains why vaccination of humans against rabies can be delayed until after exposure to a potential source of infection? A) Antibody responses are more rapid than those against other viruses B) T lymphocyte responses are more rapid than those against other viruses C) The virus does not infect any cells for several weeks or months D) The virus does not reach i target organ for several weeks or months
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The immune cell that would expand most during a parasitic infection would be? neutrophil T cell B cell eosinophil
The bubo of bubonic plague is a/ana. ulcer where the flea bite occurredb. granuloma in the skinc. enlarged lymph noded. infected sebaceous gland
A patient comes into the hospital complaining of having symptoms that looks like to be a streptococcal infection. When treated at the hospital it was determined the patient has streptococcus. However, after a 3-day hospital stay the patient is now infected with P. aeruginosa. How is this possible? How did this pattern of infection take place? Talk about the immune system and the reasoning behind the P. aeruginosa infection.
Is it possible for the immune system to eliminate the viruses without B cells? Why or why not? (This question will be graded based on your ability to think critically – even if the event described is not realistic.)