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INFECTION CONTROL
| Term | Definition |
|---|---|
| MICRO-ORGANISM | An organism that can only be seen through a microscope, including bacteria, protozoa, algae, and fungi |
| PATHOGENIC | Causes disease |
| MEDICAL ASEPSIS | Clean technique that includes frequent hand hygiene, proper use of gloves, cleaning and sterilizing medical equipment, and sanitizing surfaces. |
| COMMUNICABLE DISEASES | An illness that is spread from one person to another or from an animal to a person or from a surface or food, |
| How is VARICELLA (chicken pox) spread? | Direct or indirect contact from infected droplets or airborne secretions |
| How is VIRAL MENINGITIS spread? | Direct contact, respiratory secretions, and oral-fecal route |
| How is BACTERIAL MENINGITIS spread? | Direct contact and infected droplets from respiratory tract |
| How is CONJUNCTIVITIS (pink eye) spread? | Direct or indirect contact with eye discharge or discharge from upper respiratory tract of infected patient |
| How does the RHINOVIRUS (common cold) spread? | Direct or indirect contact from airborne or respiratory secretion droplets |
| How is STREP THROAT spread? | Direct contact with infected individual, respiratory secretions |
| How is PERTUSSIS (whooping cough) transmitted? | Direct contact with respiratory secretion droplets |
| How is INFLUENZA (flu) transmitted? | Direct contact with respiratory secretion droplets |
| SIGN | a manifestation that can be perceived |
| SYMPTOM | a manifestation of something that is only apparent or felt by patient. |
| What are the links in the cycle if infection? | Infectious agent Reservoir/source Portal of exit Mode of transmission Portal of entry to host Susceptible host |
| NONPATHOGENS | Harmless and do not cause disease |
| NORMAL FLORA | Micro-organisms that live in or within the body witout causing disease |
| Which of the following would be considered a direct mode of transmission? A)Contact with a mosquito B)Contact with an infected person C)Contact with a pencil D)Contact with a contaminated table | B)Contact with an infected person |
| Which of the following affects the chance of a patient becoming a host for disease transmission? A)Age B)Race C)Geography D) Occupation | A)Age |
| Which of the following pathogens would the common cold fall under? A)Bacteria B)Fungi C)Virus D)Parasite | C)Virus |
| UNIVERSAL PRECAUTIONS | Precautions that apply when it is possible that one might come into contact with human blood, tissue, body fluids or secretions, regardless of the patients' infection status. |
| STANDARD PRECAUTIONS | Minimum infection prevention practices that apply to all patient care, regardless of known infection status. |
| PERSONAL PROTECTIVE EQUIPMENT (PPE) | Gear worn when there is a chance of coming in contact with blood or body fluids. In the health care setting, this includes gloves, gowns/aprons, shoe covers, lab coats, masks and respirators, protective eyewear, and face shields. |
| BIOHAZARD WASTE | Materials that present a potential or actual risk to the health of humans, animals, or the environment. |
| NEEDLE SAFETY AND PREVENTION ACT | Signed into law in November 2000, which requires the institution of safety measures in workplaces where there is an occupational exposure to blood or other potentially infections materials. |
| OCCUPATIONAL SAFETY and HEALTH ADMINISTRATION (OSHA) | Agency that creates regulations that employers must follow for employees to remain safe while working. |
| What are the three categories for job tasks and and the potential for exposure to blood borne pathogens? | CATEGORY I CATEGORY II CATEGORY III |
| CATEGORY I | Tasks that have a chance of body fluids or blood spilling or splashing, or tasks that can cause exposure to blood or body fluids such as a minor surgical procedure |
| CATEGORY II | Tasks that do not usually involve chance of exposure, such as CPR; precautions must still be taken |
| CATEGORY III | Tasks that do not require any PPE, such as taking a patient’s vital signs |
| What are the three additional precautions that may be needed when working with a patient with a suspected infection? | CONTACT PRECAUTIONS DROPLET PRECAUTIONS AIRBORNE PRECAUTIONS |
| ENGINEERING CONTROLS | Devices used to isolate or remove the blood-borne pathogen hazard from the workplace. |
| WORKPLACE CONTROLS | Practices in the workplace that reduce the chances of exposure by changing or mandating the way a task is performed. |
| Which of the following PPE is the most widely used in a health care setting? A)Mask B)Gown C)Gloves D)Goggles | C)Gloves |
| ASEPSIS | the state of being free from disease-causing micro-organisms |
| DISINFECTION | The process of destroying pathogens or rendering them inactive on a surface or instruments. |
| MEDICAL ASEPSIS (CLEAN TECHNIQUE) | used daily in every clinical setting. The goal of medical asepsis is to reduce the number of pathogenic micro-organisms and prohibit their growth. |
| What are examples of clean or medical aseptic techniques medical assistants use on a daily basis? | Washing hands prior to/after each patient, wiped down workspace w/ sanitizing wipes between patienta, Using proper PPE, Proper cleaning of supplies, Setting up the laboratory area with a “clean” and “dirty” side, covering coughs/sneezes |
| SURGICAL ASEPSIS | the complete removal of all micro-organisms and must be used during invasive procedures. The goal of surgical asepsis is to eliminate micro-organisms from entering the body. |
| When is alchohol-based sanitizer ok to use? | In certain circumstances and when hands are not visibly soiled, an alcohol-based sanitizer with a minimum of 60% alcohol can be used. |
| When using soap and water, which of the following is the minimum amount of time that hands should be rubbed together? A)At least 5 seconds B)At least 10 seconds C)At least 15 seconds D)At least 20 seconds | C)At least 15 seconds |
| Which of the following is the minimum alcohol content in an alcohol-based sanitizer that can be used in a health care setting? A)40% B)50% C)60% D)75% | C) 60% |
| SANITATION | The cleaning process that reduces the number of micro-organisms to a safe level. |
| What are the three levels of disinfectants? | Low-level EX: Hydrogen Peroxide Intermediate level EX: Isopropyl alcohol High level EX: Cidex OPA |
| (SAFETY DATA SHEETS (SDSs) | MUST INLCUDE: ID(Product) Hazard ID, Composition/Ingredients, First-aid measures, Fire-fighting measures, Accidental release measures, Handling/storage, Exposure controls/ppe, Physical and chemical props,stability/reactivity, Toxicological Info. |
| Which of the following must be included in the SDS? A)Disposal considerations B)First-aid measures C)Regulatory information D)Handling and storage E)Composition/ingredients | B)First-aid measures D)Handling and storage E)Composition/ingredients |
| What is the primary method medical facilities use to sterilize equipment? | AUTOCLAVE |
| How do AUTOCLAVES work? | uses moist heat and pressure to achieve sterilization |
| How long is an item considered sterile if packaging stays intact and kept dry? | 30 days |
| What is the recommended temperature an autoclave must reach? | Between 250 and 270 degrees F. |
| How long are unwrapped items generally sterilized for? | 20 minutes |
| How long are wrapped items generally sterilized for? | 30 minutes |
| What is the most widely used cycle in the ambulatory health care facility? | Gravity cycle; this is used to sterilize stainless steel instruments |
| What can be used to wrap instruments prior to autoclaving? | Wrapping can be performed using disposable double-ply autoclave paper or peel-apart polypropylene pouches. When using autoclave paper, it is recommended to use at least two layers to maintain sterilization. |
| When do sterilization indicators change colors? | ONLY when sterilization is achieved by steam reaching its optimum temp for the required length of time. |
| What type of sterilization is used for instruments that cannot tolerate the high temps of the autoclave? | Chemical Sterilization |
| How long must instruments placed in a chemical bath stay submerged? | 8 hours with a closed lid Best used for items such as endoscopes |
| To ensure all equipment is sterilized, which of the following is the recommended temperature for the autoclave? A)200° F B)212° F C)220° F D)250° F | D)250° F |
| What two things need to be completed prior to sterilization? | Sanitization and disinfection |
| Which of the following are when an exposure control plan should be reviewed with an employee? A)Every 4 years B)Annually C)Semi-annually D)Upon hire | B)Annually D) Upon hire |