Answer :

Numerous bacterial strains generally need susceptibility testing to recognize an effective chemotherapeutic agent.

Susceptibility testing is useful in ascertaining the sensitivity of a microorganism such as bacteria to certain drugs which inhibit the growth and activity of the concerned microorganism. The bacterial strain is subjected to certain particular concentrations of the anti-microbial drugs in this type of testing to identify effectual chemotherapeutic agents.

Susceptibility testing can be performed on bacterial samples which cause an infection in an individual. This testing helps in determining the effectiveness of the anti-bacterial drug on the bacterial strain. It also informs the microbiologist about the development of resistance by the bacteria against a specific antibiotic.

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