A heat moisture exchanger incorporating a standard
high efficiency particulate air
(HEPA) filter has a pore size as small
as or smaller than all of the following
pathogens, EXCEPT which one?
a) Mycobacterium tuberculosis
b) Staphylococcus aureus
c) Legionella pneumophilia
d) Mycoplasma pneumoniae
e) Pseudomonas aeruginosa
