Infection Control
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Pathogens do what 3 things well? | Multiply in large numbers, cause obstuction and tissue damage, secrete exotoxins
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| 4 categories of pathogens are | Bacteria, Virus, Fungi, and Protozoa
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| Illness due to pathogens depend on what three factors? | 1. Environmental State 2. # and stregnth of invading pathogens 3. Ability of host to resist invasion
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| Cycle of infection | 1. Infectionous organism 2.Reserviour of infection 3. Susceptable Host 4. Transmission of disease
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| Direct contact | host is touched by infectious organism
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| Indirect | dz is spread by fomite or vector
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| Fomite | Object that has come in contact with an infected organism
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| Vector | Carrier, animal or insect, that transfers and infection form one host to another
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| Airborne Contamination | dust containing spores, or droplet nuclei
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| Droplet Contamination | When infected person coughs, sneezes, speaks, or sings in vicincity of susceptable host.
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| Body's defense against infection | 1. Natural resistance (skin and mucous membranes) 2. Inflammatory response 3. Acquired immunity
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| Nosocomial Infection | MRSA, C. diff
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| Medical Asepsis | Reduces the probability of infectious organisms being transmitted
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| Microbial Dilution | Process of reducing the # of organisms ex. handwashing, cleanliness, 1:10 bleach sol when cleaning surfaces
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| Surgical Asepsis (sterilization) | complete removal of all organisms and their spores
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| Methods of sterilization | 1. Chemical 2. Dry Heat 3. Gas Sterilization 4. Autoclaving (most common in hospitals)
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| Standard Precautions | 1996- blood, pertain to all body fluids, secretions and excretions.
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| Airborne precautions | RT wears N95 mask, gloves
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| Droplet Precautions | Mask and gloves
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| Contact Precautions | Gloves and Gown
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| Enteric precautions | precautions against fecal material
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| Portable Radiography of Isolated Patients | Clean RT- Handles Equipment Dirty RT- Handles Pt
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| Portable Radiography of Compromised Patients | Clean RT- Handles Pt Dirty RT- Handles Equipment
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| HIV/AIDS | -Human Immunodeficiency Virus/ Acquired Immunodeficiency Syndrome -Sexual contact, blood/body fluid, needles, mother to fetus -brief period of flu-like symptoms -ends in night sweats, oral infections, weight loss, enlarged lymph nodes, & low grade fever
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| Hepatitis | -B,C,D,G transmitted through blood -Symptoms are jaundice, fatigue, abdominal pain, loa, NVD
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| Tuberculosis | Spread through airborne droplet nuclei - symptoms are cough, fever, chills, loa, fatigue, night sweats.
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