31. Which type of contact infection transmission involves transfer of an infective microbe to the mucous membranes of a susceptible individual by means of a cough or sneeze?

Drugs of abuse can be detected in:

A tube fails to fill with blood during a venipuncture using a 10 ml tube. Which of the following might lead you to think that the vein has collapsed?

What additional information is typically required when labeling a nonblood specimen besides regular labeling?  

Which choice is an example of a nosocomial infection?

37. The purpose of wiping away the first drop of blood during skin puncture is to:

Excessive agitation of a blood specimen during transport is likely to cause which of the following adverse conditions?  

47. According to CLSI, _______________is the recommended blood culture site skin disinfectant for infants 2 months and older. 

18. Of the tests listed, select the one which would not need to be protected from light:

10. Blood from a finger or heel stick is: