NR224 / NR 224 Exam 2 (Latest 2022 / 2023) Fundamentals - Chamberlain

NR 224 Fundamentals Exam 1

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NR 224 Fundamentals Exam 2022\2023


1. Infection: is the invasion of a susceptible host by pathogens or


microorganisms, resulting in disease. Entry and multiplication of organisms


result in disease


2. Colonization: occurs when a microorganism invades the host but does not


cause infection


3. Communicable Disease: is the infectious disease transmitted from one


person to another.


4. If pathogens multiply and cause clinical signs and symptoms....: the


infection is symptomatic


5. If clinical signs and symptoms are not present..: the illness is


asymptomatic




, NR 224 Fundamentals Exam 1

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6. ***Most important technique to use in preventing and controlling


transmission of infection is....: HAND HYGIENE!


7. ***Chain of Infection: 1)Infectious agent or pathogen


2)Reservoir or source for pathogen growth


3)Portal of exit


4)Mode of transmission


5)Portal of entry


6)Susceptible host


8. Direct contact: Person to person OR Person to source


9. Indirect contact: Person to inanimate object


10. Droplet contact: Coughing, Sneezing, Talking (Lg particle only 3 ft)