How can you break the fifth link, portal of entry, in the chain of infection?

Breaking the fifth link, the portal of entry, in the chain of infection is effectively achieved through aseptic technique and appropriate wound care. Aseptic techniques are procedures that help prevent the introduction of pathogens into the body, which is critical in maintaining a sterile environment. This includes practices such as using sterile gloves, properly cleaning and disinfecting surfaces, and utilizing sterile instruments during procedures.

Wound care involves ensuring that any cuts or abrasions on the skin are cleaned and properly dressed to prevent pathogens from entering the bloodstream. Properly covering open wounds with sterile bandages, maintaining cleanliness around the wound, and changing dressings regularly are all key to minimizing the risk of infection. By managing these factors, healthcare technicians can limit potential entry points for pathogens, thereby effectively breaking the cycle of infection.

The other choices do not address this aspect effectively. Avoiding patient interactions does not contribute to care or infection control efforts, while denying treatment to high-risk patients could worsen their conditions and potentially spread infection. Simply securing wounds with bandages without the necessary aseptic practices can lead to contamination and infection risks, which is contrary to effective infection control measures.