The primary goal of antimicrobial susceptibility testing is to:
a. Determine whether the pathogen expresses resistance to the potential therapeutic antimicrobial agents.
b. Determine the spectrum of an organism's intrinsic resistance.
c. Determine whether the administered anti-biotic is effective at killing the pathogen in vivo.
d. Identify toxins secreted by bacterial pa-thogens isolated from a clinical specimen.
A
The primary goal of antimicrobial susceptibility testing is to determine whether the bacterial cause of concern is capable of expressing resistance to the antimicrobial agents that are potential choices for therapy. Because intrinsic resistance is usually well known for most organisms, testing to establish this resistance is not usually necessary and organism identification is sufficient. In essence, for any clinically important organism whose antimicrobial susceptibility profile is unpredictable, antimicrobial susceptibility tests are designed to determine the extent of an organ-ism's acquired resistance to potential choices of antimicrobial agents.
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