Pharmaceutical Microbiology Quantitative Quiz 1

….………………..is (are)  among the quantitative assays of antimicrobial agents.

• Combined antimicrobial activity

• MIC

• MBC

• Both MIC and MBC

….………………. is the least concentration of the agent that inhibits the growth of microorganism.

• MIC

• MBC

• Antimicrobial spectrum

• None of the above

 In MIC testing, nutrient broth is used to ………….

• Stop the growth of bacteria

• Allow growth of bacteria

• serially dilute bacteria

• None of the above

MIC of the tested antibiotics can by determined by …………………………technique(s)

• Broth dilution

• Agar dilution

• Cup plate technique

• All of the above

In MBC  testing, nutrient broth is used to ………….

• Stop the growth of bacteria

• Allow growth of bacteria

• Dilute the antibiotic

• Allow growth of bacteria and dilute the antibiotic

.…………………………….. is the least concentration of the agent that kills the microorganism.

• MIC

• MBC

• Antimicrobial spectrum

• None of the above

MIC depends on………….. 

• The agent

• CLSI guidelines

• The organism

• The agent and organism

Among Broth Dilution drawbacks ..………

•    Testing multiple organisms

• Testing only one isolate

• Low contamination incident

• Direct determination of contamination

MBC can be determined…………. determining MIC.

•   Before

•   After

• With

• Independent from

MIC can be determined using …………. folds dilution

• 2

• 4

• 8

•   0.5