Infections due to ________ are the most common worm infections in the U.S.

Infections due to ________ are the most common worm infections in the U.S.
 
  A) pinworms
  B) ringworm
  C) tapeworms
  D) roundworms

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Which of the following is an example of non-self?
 
  A) blood
  B) allergens
  C) skin
  D) bone marrow

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What scientist studies the patterns of disease in a population?
 
  A) oncologist
  B) epidemiologist
  C) pathologist
  D) virologist

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MRSA is a staph bacteria resistant to most antibiotics EXCEPT
 
  A) clindamycin.
  B) azithromycin.
  C) penicillin.
  D) vancomycin.

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Checking your body for ________ after a hike in the woods is the best way to prevent Lyme disease.
 
  A) fleas
  B) ticks
  C) chiggers
  D) mosquitos