When the nurse performs hand hygiene properly, which aspect in the chain of infection is the nurse breaking?
1. Portal of entry
2. Portal of exit
3. Mode of transmission
4. Etiologic agent
3
Rationale 1: Portal of entry is the opening that allows pathogens to invade the body.
Rationale 2: Portal of exit is the means of expelling pathogens from the body.
Rationale 3: Hand hygiene breaks the mode of transmission by reducing the pathogens on the hands when touching clients or objects that come in contact with clients.
Rationale 4: The etiologic agent is the pathogen.
Global Rationale: Hand hygiene breaks the mode of transmission by reducing the pathogens on the hands when touching clients or objects that come in contact with clients. Portal of entry is the opening that allows pathogens to invade the body, portal of exit is the means of expelling pathogens from the body, and the etiologic agent is the pathogen.
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