Violation of the 2-2S, 4-1S or 10x Westgard rules is a strong ...

[Ebrown]

Violation of the 2-2S, 4-1S or 10x Westgard rules is a strong indication of ___________________ ____.
 
  Fill in the blank with the appropriate word.

Question 2

Which of the following does the most to minimize aerosol production during centrifugation?
 
  A) Using a refrigerated centrifuge
  B) Using centrifuge tubes with tapered bottoms
  C) Selecting centrifuge tube sizes that will fit securely into the centrifuge rack
  D) Using stoppered centrifuge tubes or a cover over the rotor chamber

[AmberC1996]

Answer to Question 1

Ans: systematic error

Answer to Question 2

Ans: D