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7 The Control of Microbial Growth -- Part 8
Micro organisms can grow in the absence of water.
Heavy metal ion combine remains viable.
Viruses can resist desiccation.
There is limited germicidal action in soaps.
Acid-anionic detergents are used to clean dairy equipment.
Cationic detergents are attached to NH +.
The ability of mold and yeasts to leak out of the cell is greater than the ability ofbacteria to leak out of the cell.
Quats are the most effective against gram-positivebacteria.
The effects of radiation are dependent on its wavelength, intensity, and metabolism.
Ionizing radiation in meat.
Nisin and natamycin are antibiotics that are used to preserve food.
The low degree of penetration of aldehydes, such as formaldehyde, causes cell damage by making them the most effective chemical disinfectants.
The effect is that they exert their antimicrobial thymine dimers in DNA.
Ethylene oxide is used for sterilizing.
As materials get hot, microwaves can kill microbes.
The plastic instruments are sterized with free radicals.
The properties of supercritical fluids can be used to make objects.
Few agents achieve sterility.
The antimicrobial effect of hydrogen peroxide, peracetic acid, benzoyl peroxide, and ozone is due to the oxidation of molecule inside the cell.
The degree of contact with microor ganisms and the presence of organic matter should also be considered.
Gram positivebacteria are more resistant to antiseptics than gram negativebacteria.
Viruses, endospore-formingbacteria, mycobacteria, and fungi can cause infections.
Prions are resistant to infections.
The disk-diffusion method uses a disk of filter paper soaked in a chemical and placed on a plate of inoculated agar.
The answers tab at the back of the textbook is the most effective for sterilizing mattresses.
The antimicrobial effect of radiation is due to a single factor.
The effect of ultraviolet radiation on the human body is known as the antimicrobial effect.
burn patients are washed in a tub.
The tub is cleaned with a quat when he spills the disinfectant in your patients.
14 reduced litmus milk turned blue again.
Provide an explanation for the high rate of infections.
The three disinfectants were evaluated using the disk-diffusion method.
Both had been treated by the same Chiropractor.
The apparatus uses 12 liters of tap water.
Explain why each of the followingbacteria is resistant to five patients per day.
There is a piece between patients.
The device is exposed to radiation when it is added to and lized.
The results warm the oxygen.
The manufacturer's rec was shown in the following figure.
The lines indicate the use of a detergent to clean the samples.
The most likely method of lethal action is between patients.
Culture should be destroyed.
As a nurse at a military hospital, you treat service members injured in conflicts in the Middle East.
tetracycline resistance is associated with a transposon, and there are genes on the chromosomes that are resistant to Cephalosporin.
There are pages about genetic recombination.
The answers to In the Clinic questions can be found online.
In the earlier chapters you have read about the control or influence of the microbes.
The characteristics of microbes include shape, structural features, metabolism, ability to move, and interactions with other organisms.
Individual organisms pass on their characteristics to their offspring.
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