Ch6 biological hazards Flashcards
what occupation at highest risk when handling blood and bodily fluids
correctional healthcare workers (higher prevalence blood borne diseases and injury risk)
3 types of anthrax
cutaneous (most common), inhalation, gastrointestinal
most common route of exposure to blood/bodily fluids
percutaneous injuries (penetration of skin) 80%
define a zoonotic disease
infection or infectious disease transmissible from vertebrate animals to humans
what is woolsorters disease
pulmonary form of anthrax from inhalation of spores in fleece
major source of human rabies in US vs worldwide
US=rabid Bats
World= stray dogs
early vs late signs of rabies
early- apprehension, fever, malaise, headache
late- paralysis, hallucinations, swallowing difficulty, hydrophobia
how psittacosis is transmitted
bird droppings
examples of tick-borne diseases
lyme, rocky mountain spotted fever, relapsing fever, tularemia
examples of mosquito-borne diseases
encephalitis, dengue fever, WNV
what is coccidiomycosis
valley fever, caused by fungus, workers exposed to dust from windblown soil in endemic areas
what is histoplasmosis
caused by fungus, excreted by bird and bat droppings, risk when demolishing old houses
how tuberculosis is spread
aerosolized droplets