A 45-year old man is O, Rh negative with anti-K.  Given the following population statistics, how many O negative donor units should be typed in order to find 3 that are K negative?            POPULATIONPhenotype             FrequencyK+k-                        0.2%K+k+                       8.8%K-k+                         91%K-k-                         rare

A PPD mantoux skin test will turn positive at what stage of a TB infection?

IgG, IgA, and IgM immunoglobins are increased with

Name the mask used to by healthcare professionals entering a TB patients room

List one neutralization substance and the antibody that it neutralizes (1 pt.)

Which of the following air quality indices warns public that those that are sensitive to pollution should stay indoors

In the ISBT nomenclature 004001, the 004 refers to the:

A tumor like structure composed of macrophages and surrounded by white blood cells is a 

The T4:T8 ratio will be altered in patients with 

Found either in the parenchyma or central regions. Growth is rapid with earlymetastatic tendency.  Cavity formation is common.