The nurse performing a surgical scrub is aware that the average time for the scrub is:
7 minutes.
6 minutes.
5 minutes.
3 minutes.
The Correct Answer is C
Choice A rationale
While a scrub time of 7 minutes can be effective, it exceeds the necessary average time and may cause skin irritation with prolonged scrubbing.
Choice B rationale
A 6-minute scrub is also effective but similarly exceeds the average time, which is typically shorter to balance effectiveness and skin health.
Choice C rationale
A 5-minute scrub is the standard average time, balancing thoroughness in removing transient microorganisms with skin integrity.
Choice D rationale
A 3-minute scrub is often considered too short to ensure adequate removal of microorganisms, potentially compromising aseptic technique.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Throwing the needle and syringe immediately into a covered garbage can with a red plastic liner is not the safest disposal method for biohazard materials. It does not prevent needle stick injuries effectively.
Choice B rationale
Recapping the needle and placing it on the patient's table until leaving the room is not a safe practice. It increases the risk of needle stick injuries and potential exposure to contaminated materials.
Choice C rationale
Breaking the needle from the syringe using the needle cover to prevent reuse does not ensure complete safety. It can still lead to needle stick injuries and improper handling of biohazard materials.
Choice D rationale
Never recapping the needle afterward is the safest approach. It minimizes the risk of needle stick injuries and ensures proper disposal in designated sharps containers immediately after use.
Correct Answer is A
Explanation
Choice A rationale
A 10% solution of chlorine bleach is an effective disinfectant for contaminated areas in the home. Chlorine bleach has broad-spectrum antimicrobial properties, making it suitable for killing various pathogens, including bacteria and viruses.
Choice B rationale
Soaking in a solution of povidone iodine for 30 minutes and rinsing with hot water is not practical for home disinfection. While povidone iodine is effective as a disinfectant, it is typically used for medical purposes and not for cleaning household surfaces.
Choice C rationale
A 12% solution of alcohol is not as effective as a 10% solution of chlorine bleach for disinfecting contaminated areas in the home. Alcohol concentrations above 70% are generally more effective for disinfection purposes.
Choice D rationale
Covering the area with boiling water and letting it air dry is not a reliable method for disinfecting contaminated areas. Boiling water may not effectively kill all pathogens, and this method lacks the broad-spectrum efficacy of chemical disinfectants.
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