Bloodborne Pathogens And Standard Precautions Test
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If you are exposed to a patient's blood, it is important to follow what acronym?
WIN - (immediately) wash exposed area with soap and water, identify source of exposure, notify your supervisor
Ways where bloodborne diseases are most commonly spread
Through mother-to-child transmission, unprotected sex, and sharing drug needles
Bloodborne pathogens
- Human immunodeficiency virus - Hepatitis C virus - Hepatitis B virus
What is an example of a work practice control that is used to safeguard against exposure to bloodborne pathogens?
Use of alcohol rubs for routine hand hygiene
Bloodborne diseases can be spread in the healthcare setting. This is most likely to happen if a healthcare worker __.
Has a needle-stick injury Healthy, intact skin is the best natural defense against bloodborne pathogens. Even a simply hangnail or a rash can be an entry point for pathogens.
If you are exposed to a bloodborne pathogen while at work, your employer must offer you post-exposure evaluation and follow-up. What correctly describes what will happen during this post-exposure follow-up?
Your employer will identify and document the source patient if permitted under state and local law.
What is a violation of a work practice control used to safeguard against exposure to bloodborne pathogens?
Healthcare workers should not eat, drink, smoke cigarettes, or apply makeup in areas where contamination could occur.
Other potentially infectious materials (OPIM) where pathogens may be present in body fluid
Saliva, semen, vaginal secretions, pleural fluid, cerebrospinal fluid, amniotic fluid, peritoneal fluid, pericardial fluid, any fluid that is contaminated with blood, and any fluid that is not easily identifiable
Hepatitis
HBV & HCV both infect the liver and can cause long-term liver damage. Up to 85% of those infected with HCV become chronic carreirs, remaining infectious to other people. Approximately 5% of patients infected with HBV in adulthood will develop a chronic infection. CAN BE LIFE THREATENING
S&S of HBV & HCV
Fatigue, loss of appetite, mild fever, aching muscles or joints, diarrhea, nausea and vomiting, yellowed skin and jaundice, dark urine, light color stools, and itching
S&S of HIV
Flu-like symptoms, swollen lymph nodes, visual changes, diarrhea, night sweats, unexplained weight loss, rash, fatigue, shortness of breath, and frequent pneumonias
Important note regarding S&S about bloodborne diseases
Many patients infected with HBV, HCV, or HIV do not have obvious symptoms. While these patients may have no idea that they are infected, they can still spread the disease, and may transmit the disease to others without even knowing it.
Risks of infection following exposure
Amount of exposure, route of exposure, and amount of virus in the infectious material Note: A needlestick injury is more likely to lead to infection than a blood splash.
___ is the only blood borne pathogen for which there is a vaccine available.
HBV Hep B immune globulin alone or in combination with the vaccine can effectively prevent HBV infection after exposure. Healthcare workers who have been vaccinated and developed immunity are not at risk for infection. To be effective, tx for HBV should begin within 24 hrs and no later than 7 days after exposure.
Preventative therapy for HCV
Unfortunately, there is no recommended preventative therapy against HCV, which is why preventative strategies and best practices are imperative to protect the health of hospital workers.
HIV tx
To be effective, tx should begin within hours, as opposed to days after exposure
UP + BSI = SP
Universal precautions (set of infection-control practices that focus on bloodborne pathogens) + body substance isolation (set of infection-control practices that focus on moist body substances = standard precautions
Examples of when standard precautions are needed
Fecal incontinence, respiratory illness, localized shingles, and HIV infection *Regardless of whether there is visible blood, standard precautions also apply to all body fluids, secretions, and excretions. The ONLY EXCEPTION is sweat.
In 2007, CDC updated its recommendations for SP including...
- Respiratory hygiene/cough etiquette for staff, patients, and visitors, e.g. SARS outbreak - Safe injection practices, e.g. big HBV and HCV outbreak due to workers not using aseptic techniques to prepare and administer medications - Use of a mask when inserting a central venous catheter or performing a lumbar puncture
If you are exposed to blood or OPIM, your employer must offer __.
Free lab testing, free medical evaluation, and medication to help prevent infection
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