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NURS 3209 Asepsis and Infection Control Exam
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NURS 3209 Asepsis and Infection Control Exam...
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NURS 3209 Asepsis and Infection Control ExamComponents of infection cycle
Infectious agent, reservoir, portal of exit, means of transmission, portal of entry and
susceptible host.
infectious agent
bacteria, fungi, virus
reservoir
natural habitat of the organism
ex. other people, animals, soil, food, water, milk, inanimate objects
portal of exit
point of escape for the organism
ex. respiratory, gastrointestinal, genitourinary, breaks in skin, blood and tissue
means of transmission
direct contact, indirect contact, airborne route
direct contact
Touching or contact with a patient's blood or saliva
ex. kissing
indirect contact
Touching or contact with a contaminated surface or instrument
, ex. shaking hands
airborne route
infection caused by pathogens shed through sneezing or coughing
portal of entry
point at which organisms enter a new host
susceptible host
must overcome resistance mounted by host's defenses
What is the most significant and commonly found infection-causing agent in the
healthcare system?
bacteria
bacteria
Most significant infection-causing agents in the health care system. Categorized by
shape, their reaction to the Gram stain, and according to their need for oxygen.
fungi
(molds and yeasts) Can cause infection and are present in the air, soil, and water.
virus
Cause infections including the common cold and do not respond to antibiotics.
What is the smallest of all microorganisms?
viruses
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