Performance of the "Factor Requirement Test" for Haemophilus Involves The

Multiple Choice

Performance of the "factor requirement test" for Haemophilus involves the:

A) inoculation of unsupplemented media with a light suspension of the organism and placement of X and V factor disks on the agar surface.
B) inoculation of liquid media,unsupplemented and supplemented with X and V factors.
C) detection of the presence of enzymes that convert d-aminolevulinic acid (ALA) into porphyrins.
D) growth of the organism in the presence of bacterial species that produce X and V factors as metabolic byproducts.