5 Questions
What is infection?
The entry and multiplication of an infectious agent in the body
What is necessary for the occurrence of infection?
Sufficient number of pathogens and low resistance of the patient
What is colonization in relation to infection?
When a microorganism invades the host but does not cause infection
What is a symptomatic infection?
When pathogens multiply and cause clinical signs and symptoms
What is the most important technique in preventing and controlling transmission of infection?
Hand hygiene
Study Notes
Infection and Its Occurrence
- Infection is the invasion and multiplication of pathogenic microorganisms in the body, which can lead to disease
- For infection to occur, three necessary factors must be present: a pathogenic microorganism, a susceptible host, and a portal of entry into the host
Colonization and Symptomatic Infection
- Colonization refers to the presence and multiplication of microorganisms on or within the body, but without causing disease or symptoms
- A symptomatic infection occurs when the colonization of microorganisms leads to signs and symptoms of disease, such as fever, pain, or inflammation
Infection Prevention and Control
- The most important technique in preventing and controlling transmission of infection is proper hand hygiene, including hand washing and use of hand sanitizers
Test your knowledge of infection definition, nature, chain, course, predisposing factors, nosocomial infection, host defenses, and infection control methods.
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