Microbiological contaminants are best described as O unwanted microbes present o

Question

Microbiological contaminants are best described as O unwanted microbes present on or in a substance O any and all microbes present on or in a substance. O pathogenic microbes present on or in a substance. o vegetative microbes present on or in a substance. None of the choices are correct. QUESTION 28 Which of the following is officially accepted as a sterilant and high-level disinfectant? O benzalkonium chloride O silver nitrate O glutaraldehyde O triclosan O cresol QUESTION 29 All of the following are benefits of food irradiation, except it can kill bacterial pathogens on the food. O it can kill insects on the food. it can inhibit the sprouting of white potatoes. it can reduce the number of food-borne deaths each year. O it makes the food less nutritious. QUESTION 30 Which of the following does not contain a heavy metal? Tincture of iodine O Merthiolate Silver nitrate solutions O Zinc O Mercurochrome QUESTION 31 Which is mismatched? o sodium hypochlorite-chlorine Iodophor-iodine O Benzalkonium chloride - quaternary ammonium compound O Merthiolate - silver

Explanation / Answer

Microbiological contaminants are best described as unwanted microbes present on or in a substance.

Glutaraldehyde is officially accepted as a sterilant and high level disinfectant.

All of the following are benefits of food irradiation except it makes the food less nutritious.

Tincture of iodine does not contain a heavy metal.

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