Question: Which Of The Following Is The Process By Which All Living Cells Spores And Viruses Are Destroyed On An Object?

When all microorganisms are removed or killed on or in an item we refer to the process as what?

Disinfection describes a process that eliminates many or all pathogenic microorganisms, except bacterial spores, on inanimate objects (Tables 1 and 2).

In health-care settings, objects usually are disinfected by liquid chemicals or wet pasteurization..

Which type of detergents are useful as disinfectants?

Quaternary ammonium compounds (quats) are cationic detergents that disrupt membranes. They are used in household cleaners, skin disinfectants, oral rinses, and mouthwashes.

What is an infection transmitted from a health care worker to a patient called?

Though the patient may have contracted the infection from their own skin, the infection is still considered nosocomial since it develops in the health care setting….Hospital-acquired infection.Nosocomial infectionOther namesHAI (Healthcare-Associated Infections)Contaminated surfaces increase cross-transmissionSpecialtyInfectious disease1 more row

Which type of microbe is the most difficult to kill?

Protozoan cystsProtozoan cysts are the hardest to kill, with Cryptosporidium being harder to kill than Giardia.

Which germicide was most effective?

LysolWhich germicide is most effective, Lysol, Fabuloso, and Isopropyl Alcohol? Lysol was the most effective. Which organism is the most resistant to the germicides?

Which of the following is a more accurate method for determining the ability of a disinfectant to kill microorganisms on a particular surface?

Which of the following is a more accurate method for determining the ability of a disinfectant to kill microorganisms on a particular surface? The use-dilution test is most effective for measuring the efficacy of a disinfectant used on a specific surface.

Is detergent a disinfectant?

Detergents: Are cleaning solutions. … Essentially, they are solutions that are designed to “kill”, but not remove, bacteria and viruses etc. There are many disinfectants on the market that performs this “killing” process with a range of efficacy.

Is ether a disinfectant?

– Ether is often wrongly used as an antiseptic; it removes sticky residues of plaster. – Eosin is often wrongly used as an antiseptic; it is a colouring agent used for staining as well as a drying agent. None of these products is included in the WHO list of essential medicines.

Does autoclave kill all microorganisms?

A widely used method for heat sterilization is the autoclave, sometimes called a converter or steam sterilizer. … Proper autoclave treatment will inactivate all resistant bacterial spores in addition to fungi, bacteria, and viruses, but is not expected to eliminate all prions, which vary in their resistance.

What is the most common infection transmitted to healthcare workers?

HEALTHCARE WORKERSBloodborne Pathogens (BBP): HIV/AIDS, Hepatitis B, Hepatitis C.Influenza (FLU) Seasonal. Pandemic. Avian. Swine.Ebola.Methicillin-resistant Staphylococcus aureus (MRSA)Tuberculosis (TB)Severe Acute Respiratory Syndrome (SARS)Middle East Respiratory Syndrome (MERS)

How do you measure the efficacy of a disinfectant?

The disk-diffusion method is used to test the effectiveness of a chemical disinfectant against a particular microbe. The use-dilution test determines the effectiveness of a disinfectant on a surface. In-use tests can determine whether disinfectant solutions are being used correctly in clinical settings.

What is the most effective antiseptic?

Chlorhexidine is probably the most widely used biocide in antiseptic products, in particular in handwashing and oral products but also as a disinfectant and preservative. This is due in particular to its broad-spectrum efficacy, substantivity for the skin, and low irritation.

Which of the following forms of electromagnetic radiation is effective only for surface sterilization?

X-rays, gamma rays, and electron beams are all very energetic forms of electromagnetic radiation and can sterilize well beneath a sample’s surface. These forms penetrate deep into a sample that is to be sterilized. You just studied 25 terms!

What factors influence a pathogen’s use of one portal of entry and not another?

Both age and nutrition can affect the portal of entries available to pathogens.

What is phenol disinfectant?

A type of antimicrobial agent used as a disinfectant, called a phenol, uses a similar process to kill off bacteria on inanimate objects through the inactivation of their enzyme systems. … Well, our phenols cause the cells whose enzymes they pop off to crash, burn and die as well.

How does disinfectant kill microorganisms?

Disinfectants are used to rapidly kill bacteria. They kill off the bacteria by causing the proteins to become damaged and outer layers of the bacteria cell to rupture. The DNA material subsequently leaks out.

What are the most common mode of transmission of infection in healthcare settings?

This is probably the most common mode of transmission in health-care settings. Droplet transmission: Respiratory droplets carrying pathogens are generated when an infected person coughs, sneezes, or talks, as well as during procedures such as suctioning or intubation.

What is the most common infection transmitted to health care workers?

The most common types are hepatitis A, hepatitis B, and hepatitis C. The delivery of healthcare has the potential to transmit hepatitis to both healthcare workers and patients.