Blood and tissue fluids of healthy people

Blood and tissue fluids of healthy people
 
  a. contain different normal flora than found on
  the skin.
  b. contain the same normal flora as found on
  the skin.
  c. contain twice as many bacteria and yeast as
  found on the skin.
  d. contain only protozoa as part of the normal
  flora.
  e. are generally sterile and contain no
  microorganisms

Question 2

____ is a particularly dangerous strain of a
  residential bacteria because it doesn't respond
  to antibiotic treatment.
 
  a. C. tetani
  b. MRSA (methicillin resistant S. aureus)
  c. C. diphtheria
  d. E. coli
  e. H. pylori