36. This kind of disinfectant can dissolve cell membranes: A. Aldehydes B. Cephalosporins C. Heavy metals D. Oxidizing agents E. Surfactants 37. Which of the following is an example of a halogen disinfectant? A. Benzalkonium B. Bleach C. Hydrogen peroxide D. Methicillin E. Vesphene 38. Imagine a person has never been exposed to Varicellovirus before, and has never been vaccinated for it. What disease might they get if they are exposed to it? A. Chickenpox B. Genital herpes C. Measles D. Polio E. Shingles 41. Which of the following nucleic acids must be made during the replication cycle of ALL viruses? A. +ssDNA B. +ssRNA C. –ssRNA D. dsDNA E. dsRNA
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Madhur L.
33. Hydrogen peroxide is an example of an oxidizing agent type of disinfectant. A. Aldehyde B. Halogen C. Heavy metal D. Oxidizing agent E. Surfactant 36. This kind of disinfectant can dissolve cell membranes: A. Aldehydes B. Cephalosporins C. Heavy metals D. Oxidizing agents E. Surfactants 37. Which of the following is an example of a halogen disinfectant? A. Benzalkonium B. Bleach C. Hydrogen peroxide D. Methicillin E. Vesphene 38. Imagine a person has never been exposed to Varicellovirus before, and has never been vaccinated for it. What disease might they get if they are exposed to it? A. Chickenpox B. Genital herpes C. Measles D. Polio E. Shingles 41. Which of the following nucleic acids must be made during the replication cycle of ALL viruses? A. +ssDNA B. +ssRNA C. -ssRNA D. dsDNA E. dsRNA
9.) In evaluating disinfectant effectiveness, the use-dilution method involves which of the following methods of assessment? a.) zone of inhibition b.) two of these are correct c.) clearing zones surrounding discs d.) turbidity 10.) Which of the following is/are true of ethanol as a disinfectant? a.) two of these are correct b.) 70% ethanol is more effective than 91% ethanol c.) 91% ethanol evaporates quickly and reduces time of exposure d.) 91% ethanol is more effective than 70% ethanol 11.) Some chemical agents form micelle structures to carry away insoluble substances in water. Which of the following are capable of forming micelles? a.) Benzalkonium chloride b.) halogens c.) two of these are correct d.) detergent 12.) Which of the following is/are true of hypochlorites (ClO-)? a.) it is classified as a halogen agent b.) it is used to denature proteins c.) all of these are true d.) it is the active ingredient in household bleach
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