Which of the following best describes the difference between endotoxins and exotoxins? A. Only endotoxins are made by ba
Posted: Sun Apr 17, 2022 3:39 pm
A case-control study is conducted following a viral hepatitis outbreak. Which of the following is the factor most likely to help epidemiologists determine the cause of the outbreak? A. 50% cases used public transportation within 2 weeks of becoming ill (vs. 50% of controls) B. 20% of cases bought frozen strawberries of a particular brand (vs. 35% of controls) C. 70% cases ate at a particular restaurant in the month before becoming ill (vs. 10% of controls) D. 80% of cases ate chicken in the month before becoming ill (VS. 95% of controls)
Bacteria capsules, viral spike proteins, and protozoan hook structures all A. Are examples of exotoxins B. Help pathogens evade the immune system C. Are examples of portals of entry D. May be virulence factors involved in colonization Docot Galaction
According to the CDC, there were 189 newly reported cases of the flu this week. This statistic is an example of a O A. Prevalence B. Morbidity Rate C. Mortality Rate D. Incidence