Question 39 Thick polysaccharide capsules are important virulence assets for
O Neiserria meningitidis and Streptococcus pneumoniae
O Escherichia coli and Vibrio cholera
O Clostridium tetani and Bacillus anthracis,
O Salmonella spp. and Staphylococcus aureus

Question 40 2 pts You have two gram-negative organisms (named A and B). A produces 2 exotoxins while B produces no exotoxins. You grow the organisms in liquid medium then boil the cells and medium to create a heat-treated extract. This heated-treated extract is mixed with the mouse food and given to an immune-compromised mouse. The mouse dies within days. The best possible explanation is
O Endotoxins from Orism A or Organism cause the lethality
O The combination of exotoxins and endotoxins caused the lethality
O Exotoxins from Organism A cause the lethality
O Endotoxins from Organism Acause the lethality
O Endotoxins from Organism Bcause the lethality Guard