Which of the following is most commonly used to disinfect countertops in medical offices?

Author: Blake Bogisich  |  Last update: Sunday, March 22, 2026

Hypochlorites are widely used in healthcare facilities in a variety of settings. Inorganic chlorine solution is used for disinfecting tonometer heads 188 and for spot-disinfection of countertops and floors.

Which of the following is most commonly used as surface active disinfectant at the healthcare facilities?

More specifically, sodium hypochlorite is potentially bactericidal, virucidal, fungicidal, mycobactericidal, sporicidal. Hence it plays an important role in the surface disinfection of healthcare facilities and medical equipment.

Which of the following should be used to disinfect a laboratory work surface?

70% ethanol or isopropyl alcohol: a. Acceptable for cleaning hard surfaces and for inactivating enveloped viruses such as the SARS-CoV-2.

Which of the following commonly used disinfectants is used in the medical field and found to be effective against bloodborne pathogens?

Final answer: Chlorine bleach is the commonly used disinfectant in the medical field that is effective against bloodborne pathogens, because of its strong antimicrobial effect when it breaks down into water and hypochlorous acid.

What type of disinfectant is used for exam tables and countertops?

Bleach – AHE recommends a 10:1 ratio of water to bleach for sanitizing surfaces. Bleach is one of the few disinfectants that is effective against the dangerous, antibiotic-resistant Clostridium difficile (C. diff) bacterium. Peroxide – Peroxide is a beneficial low- to mid-level disinfectant when used in a 3% solution.

Supporting patient health through proper disinfectant use

Which is the most commonly used surface disinfectant?

Hypochlorites, the most widely used of the chlorine disinfectants, are available as liquid (e.g., sodium hypochlorite) or solid (e.g., calcium hypochlorite).

Which bleach solution would the medical assistant use to disinfect countertops?

Final answer: A medical assistant should use a hospital-grade disinfectant, such as quaternary ammonium compounds, hypochlorite solutions (bleach), or isopropyl alcohol, for cleaning counter tops and other surfaces after a surgical procedure in a provider's office.

What is the most common disinfectant used in hospitals?

Quaternary Ammonium Compounds (Quats)

A top choice for disinfection in hospital and institutional settings because of their low cost and quick action against a wide range of microorganisms.

Which cleaning solution should you use to disinfect a surface which has had blood on it?

Recommended disinfectant solutions

1. Hypochlorite (bleach) solution The recommended level of 1:10 bleach solution is made by adding 1 part household bleach (5.25% hypochlorite) to 10 parts water (or ½ cup of bleach to 4 ½ cups of water, or 125 ml of bleach to 1 litre of water).

Which of the following is widely used as a disinfectant?

The most commonly used chemicals as primary disinfectants are chlorine, chlorine dioxide and ozone. Among them Chlorine is the most widely used primary disinfectant throughout the world.

What is the most common disinfectant in the laboratory?

Chlorine: Chlorine is a broad-spectrum germicide and is effective against bacteria, viruses, mycobacteria and fungal spores. It is the recommended general all-purpose laboratory disinfectant.

Which of the following can be used as a disinfectant on a table top and works by denaturing bacterial lipids and membranes?

Alcohols, including ethyl alcohol and isopropyl alcohol, are commonly used antiseptics that act by denaturing proteins and disrupting membranes. Phenolics are stable, long-acting disinfectants that denature proteins and disrupt membranes.

What solution should be used to disinfect the surfaces of the room of a patient who was infected with C difficile?

An EPA-approved disinfectant (EPA: LIST K: EPA's Registered Antimicrobial Products Effective against Clostridium difficile Spores) or 1:10 dilution of 5.25% sodium hypochlorite (household bleach) and water freshly mixed daily should be used to disinfect the rooms of those residents with symptomatic (e.g., diarrhea) ...

Which is the most commonly used for disinfection?

Chlorine is the universal disinfectant, active against all microorganisms. It is generally served in the form of sodium hypochlorite, with different concentrations of free chlorine. As a general disinfectant for all types of laboratory work, a concentration of 1 g/l (1000 ppm) of free chlorine is used.

Which of the following is used to disinfect surface?

The correct answer is Sodium hypochlorite. Sodium hypochlorite is used as a disinfectant to disinfect the Personal Protective Equipment (PPEs) used by sanitation workers.

What is the preferred disinfectant used to decontaminate work surfaces?

EPA-registered tuberculocidal disinfectants and solutions of 5.25% sodium hypochlorite (household bleach) diluted between 1:10 and 1:100 with water are considered appropriate for this purpose.

What is the best solution that can be used to disinfect the area after a blood spillage?

Decontaminate area with a solution of 1,000 parts per million available chlorine (ppm av cl) solution or use a combined detergent/chlorine releasing solution with a concentration of 1,000 ppm av cl. Follow manufacturers' instructions on contact time.

What is the best disinfectant for feces?

Flood the affected area generously with a pre-made bleach solution (1 part household (5.25%) bleach to 9 parts water) and let sit for a minimum of 10 minutes. 4. Blot up the bleach solution with fresh paper towels or disposable rags/cloths.

What kills hep C on surfaces?

Bleach has been promoted for decades, as part of harm reduction efforts, as a suitable disinfectant for used syringes and injection paraphernalia among PWID [19, 21, 29, 30]. In our study, bleach was the most effective product at eliminating residual HCV infectivity in both tuberculin and insulin syringes.

How do hospitals disinfect surfaces?

Steam under pressure, dry heat, ethylene oxide (ETO) gas, hydrogen peroxide gas plasma, vaporized hydrogen peroxide, and liquid chemicals are the principal sterilizing agents used in health care facilities.

What is the most effective disinfectant cleaner?

Disinfectants that work include: Bleach solution (4 teaspoons of bleach in a quart of water) Rubbing (isopropyl) alcohol or wipes with 70% alcohol or higher (vodka and other liquors lack enough concentration) Alcohol-based hand sanitizers with at least 60% alcohol.

What is a disinfectant in medical terms?

(DIS-in-fek-tunt) Any substance or process that is used primarily on non-living objects to kill germs, such as viruses, bacteria, and other microorganisms that can cause infection and disease.

Which type of disinfectant is best used for cleaning tables and countertops?

While there are several specific countertop disinfectants on the market, you'll probably find suitable options in your cleaning supplies cupboard. Both vinegar and bleach are effective cleaners. Whether you're cleaning with bleach, vinegar, or a dedicated disinfectant spray, we recommend that you start the same way.

Which surface disinfectant is commonly known as household bleach?

Sodium hypochlorite, commonly known as bleach, is most frequently used as a disinfecting agent. It is a broad-spectrum disinfectant that is effective for the disinfection of viruses, bacteria, fungi, and mycobacterium.

How do you clean countertops after surgery?

Final answer: The best disinfectant for cleaning countertops after a surgical procedure is a 1:10 bleach and water solution. This solution effectively kills a wide range of pathogens. Other options like benzalkonium chloride and alcohol have limitations in their effectiveness and applicability.

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