A patient develops an infection after touching a contaminated doorknob and then touching a small cut on the hand. Which mode of transmission is illustrated?
Correct answer: B. Indirect contact transmission
- A. Direct contact transmission
- B. Indirect contact transmission
- C. Droplet transmission
- D. Airborne transmission
Explanation
Indirect contact transmission occurs when microorganisms spread through a contaminated object or surface, such as a doorknob. Direct contact requires person-to-person physical contact, while droplet and airborne transmission involve infectious particles in the respiratory environment.
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About Infection Prevention and Asepsis
Asepsis covers the chain of infection, hand hygiene, personal protective equipment, standard and transmission-based precautions, sterilisation, disinfection and safe waste disposal. The key distinction is between medical asepsis, which reduces microorganisms, and surgical asepsis, which maintains a sterile field during invasive procedures.
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