An EMT has an understanding of the different types of pathogens when she states:

A) "Bacteria tend to be larger than viruses and can be seen without a microscope."
B) "Protozoa are considered parasitic worms and can live within the human body."
C) "Fungal infections typically attack the immune systems of healthy persons."
D) "Viruses are resistant to antibiotics because they live within the body's cells."

D