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NELDA EXAM REVIEW; INFECTION CONTROL EXAM
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NELDA EXAM REVIEW; INFECTION CONTROL EXAM...
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NELDA EXAM REVIEW; INFECTIONCONTROL EXAM
what are the 6 chains of infection - ANSWER 1. Modes of transmission
2. Portal of Entry
3. Susceptible host
4.Infectious Agent
5.Reservoir
6. Portal of Exit
What are the 8 modes of transmission? - ANSWER 1. Direct
2. Indirect
3. Airborne
4. Aerosol, spray, or spatter
5. Parenteral
6. Blood-Borne
7. Food and Water
8. Fecal-oral
Direct Transmission - ANSWER transmission of pathogens through
person-to-person contact (including shaking hands), kissing, coughing,
and sneezing
EX: blood, saliva, semen, and vaginal secretions
indirect transmission - ANSWER Transmission of blood or body fluids
through contact with an intermediate contaminated object such as a
counter top, dental chart, or instrument.
EX: A dental chart handled by a dental assistant while wearing
contaminated gloves that is then touched by an assistant with bare
hands.
Airborne Transmission - ANSWER occurs through contact with
contaminated respiratory droplets spread by a cough or sneeze
Aerosol, spray, or spatter - ANSWER (smallest) capable of remaining
airborne for extended periods and can be inhaled.
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