MASTERY QUIZ QUESTIONS 2
A) Biology of Infectious Diseases
Q: What are examples of subcellular infectious agents?
A: Viruses and prions
Q: What are examples of unicellular infectious agents?
A: Bacteria and protozoa
Q: What are examples of multicellular infectious agents?
A: Fungi and helminthes
Q: What are plasmids?
A: Bacterial organelles that contain DNA and can carry out horizontal
gene transfer to other bacteria
Q: What are three subtypes of symbiotic relationships?
A: Mutualism, commensalism and parasitism
Q: What are two causes of emergence of an infectious disease?
A: A change in normal flora and exposure to a new microbe
Q: What is virulence?
A: The capacity of microbes to produce disease in the host
B) The Epidemiology of Infectious Diseases
Q: What are the two types of epidemics?
A: Common-source epidemics and propagated epidemics
Q: Human reservoirs for infectious diseases can be what three types?
A: Active carriers, healthy carriers and chronic carriers
Q: What are zoonoses?
A: Infectious diseases for which the reservoir for the micr