Which of the following is correct about a nurse hygiene?
Wash hands with cold water for at least 15 seconds and dry with a towel.
Wash hands with soap and warm water for at least 10 seconds and air dry.
Wash hands with soap and warm water for at least 15 seconds and then dry hands with a clean paper towel.
Wash hands with only water and dry with a clean paper towel.
The Correct Answer is C
Choice A rationale
Washing hands with cold water is less effective for removing pathogens compared to warm water. Warm water opens pores and enhances soap’s efficacy in breaking down oils and debris. Duration is also insufficient.
Choice B rationale
Washing for 10 seconds does not provide sufficient time for thorough microbial removal as evidence supports 15-20 seconds for optimal hand hygiene. Air drying increases the risk of recontamination and bacterial persistence.
Choice C rationale
Using soap and warm water for at least 15 seconds effectively removes microorganisms, reducing cross-infection. Drying with clean paper towels prevents bacterial growth and contamination compared to air drying or reused cloths.
Choice D rationale
Washing with water alone lacks the surfactant action of soap, which emulsifies oils and debris carrying bacteria. Drying with a clean towel prevents contamination but cannot compensate for soap absence.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
A carotid bruit is indicative of arterial turbulence, often associated with atherosclerosis or vascular narrowing. This finding does not correlate with the assessment of ineffective cardiac contractions.
Choice B rationale
Heart murmurs result from abnormal valve function or turbulent intracardiac blood flow and are unrelated to the assessment of contraction efficacy in this scenario.
Choice C rationale
Pulse deficit reflects ineffective cardiac contractions where some heartbeats fail to produce adequate stroke volume to generate palpable pulses, highlighting impaired cardiac output and perfusion.
Choice D rationale
A bounding radial pulse demonstrates robust ventricular contractions, often due to sympathetic activation or increased blood volume, and does not signify poor cardiac contraction effectiveness.
Correct Answer is B
Explanation
Choice A rationale
While legal advice might assist, attorneys are not required to sign advance directives. Requirements vary by jurisdiction but typically involve witnesses or a notary for validity.
Choice B rationale
Living wills document clients’ preferences for medical care when decision-making is impaired. It is a central component of advance directives and demonstrates the client’s understanding.
Choice C rationale
Though appointing a health care proxy is an option, it is not mandatory for advance directives. Living wills alone can suffice to outline preferences without assigning a proxy.
Choice D rationale
Advance directives generally address situations where resuscitation is undesired, such as DNR orders, rather than requiring explicit documentation for resuscitation preferences, making this statement inaccurate.
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