Infectious strains of S. aureus and E. coli were tested for susceptibility to three antibiotics (codes A, B, and C). Use the disk diffusion measurements and interpretive table below to answer the question. Remember that S. aureus is in the genus Staphylococcus and is Gram-positive, and E. coli is in the Enterobacteriaceae family and is Gram-negative. Which antibiotic would be best for treating an infection of S. aureus? 

Which of the following is the most concerning potential side effect of antibiotic treatment? 

What is the definition of pathogenicity?

Which describes the condition in which blood contains bacteria?

Select all of the following would would cause an NK cell to destroy a human host cell. 

Select all that apply. Which of the following factors affect pathogenicity of a microorganism? 

Which of the following would the best choice for treating a life-threatening bacterial infection?

#21: 

#20: Let be a twice-differentiable, increasing function of . If and , which of the following must be true on the interval ?

#24: Let be the function given by