Review of Chemicals Used to Control Microbial Growth Practice Problems

The use-dilution test for three liquid disinfectants conducted under the same conditions revealed that the bacterial count was significantly reduced at the following dilutions: D1 - 1:2; D2 - 1:20; and D3 - 1:200. Which of the following do you believe will be the most cost-effective option, provided that the per-ml pricing is the same for all three?

Which of the following is NOT a characteristic of quaternary ammonium compounds?

The resistance of Pseudomonads to bisphenols and quaternary ammonium compounds is primarily due to their:

The ability of an antimicrobial agent to kill the target pathogen without causing significant harm to the host organism is called:

Dideoxyinosin (ddl) can be incorporated into the viral DNA and prevent DNA elongation by disrupting which of the following?

Which of the following is a class of antifungal drugs that targets the fungal cell wall?

Which of the following substances would be most detrimental to anaerobic organisms?

Which of these agents can create free radicals that harm cell components, causing microbial death but also potentially damaging human tissues?