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Which of the following solutions is used to disinfect a blood spill on a work surface?

A.

Glutaraldehyde

B.

Isopropyl alcohol

C.

Bleach

D.

lodine compounds

Answer and Explanation

The Correct Answer is C

A. Glutaraldehyde: Glutaraldehyde is used for high-level disinfection of medical equipment, not for cleaning blood spills.

 

B. Isopropyl alcohol: While isopropyl alcohol is used for disinfection, it is not the preferred choice for blood spills due to its lower efficacy against certain pathogens.

 

C. Bleach: A bleach solution is effective for disinfecting surfaces contaminated with blood, as it is effective against a broad range of pathogens, including bloodborne viruses.

 

D. Iodine compounds: Iodine is used for antiseptic purposes on skin but is not ideal for disinfecting blood spills on surfaces.


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Correct Answer is B

Explanation

A. 1:5: This ratio would create a stronger solution than typically recommended for disinfection, which might not be necessary and could be harsh on equipment.

B. 1:10: A 1:10 dilution of bleach to water is commonly used for disinfecting surfaces and cleaning medical equipment, as it provides effective disinfection while being safe for equipment.

C. 1:15: This dilution might not be strong enough to ensure effective disinfection.

D. 1:20: This ratio is even more diluted and may not provide adequate disinfectant strength for cleaning purposes.

Correct Answer is C

Explanation

A. 1: Checking the medication order against the label only once is insufficient for ensuring accuracy.

B. 2: While checking twice is better than once, the standard practice is to check three times for maximum accuracy.

C. 3: The "three checks" method involves checking the medication order against the label at three key points: when selecting the medication, when preparing it, and before administering it to the patient.

D. 4: Checking four times is not a standard practice and could be excessive; three checks are considered sufficient.

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