You Are Working in a Clinical Lab

Multiple Choice

You are working in a clinical lab. Two E. coli samples are sent to you for analysis and you are asked to determined whether they are the same strain. You perform an antibiogram and find that the two samples exhibit the same sensitivity to the antibiotics you use in the procedure. This indicates

A) the organisms are likely the same strain but you need to confirm this with other methods.
B) the organisms are likely different strains but you need to confirm this with other methods.
C) the two organisms are not likely to be susceptible to the same bacteriophages.
D) the two organisms will show different results if they are Gram stained.
E) the organisms are the same strains but they will react differently in serology tests.