Which practice best interrupts the chain of infection by removing microorganisms from a healthcare worker's hands?
Correct answer: A. Hand hygiene before and after patient contact
- A. Hand hygiene before and after patient contact
- B. Wearing shoe covers during every procedure
- C. Keeping used instruments on the bedside table
- D. Giving antibiotics to all exposed patients
Explanation
Hand hygiene removes or destroys microorganisms and is one of the most effective ways to interrupt transmission. Shoe covers and unnecessary antibiotics do not replace hand hygiene, and used instruments must be placed safely for cleaning and disinfection.
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About Communicable Diseases
Communicable diseases are studied through the chain of infection, including the agent, reservoir, mode of transmission, portal of entry and susceptible host. Coverage includes isolation, disinfection, immunization, surveillance and outbreak control, with attention to diseases such as tuberculosis, malaria, hepatitis, polio and diarrheal infections.
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