Flashcards in Occ Health Guidelines Deck (123)
Which of the following does not decrease concentrations of cat alerrgen in the air?
a. use filtered vacuum cleaner
b. remove carpeting
c. run high efficiency air cleaner
d. wash the cat
e. increase ventilation rate
Name the dog allergen and source of exposure.
Can f1, dog albumin, saliva, hair, skin
Sensitization to primates is common. T/F
Name sources of cattle allergens
dander and urine
Horses constitute a highly potent source of allergens. T/F
What are sources of horse allergens?
Daner, skin scrapings, albumin
There is no evidence of cross sensitivity between deer and horse allergens. T/F
Hypersensitivity pneumonitis due to exposure to birds is due to what type of Ab?
precipitating IgG abs to the protein in question
List some ways to detect the presence of specific IgE Abs in humans
Airborne -allergen load in an animal room depends on what?
Rate of production, rate of removal, relative humidity
Surgical disposable masks are effective in minimizing sensitization to lab animal allergens. T/F
Recommended PPE for symptomatic allergic workers? Requirements to use these PPE's
At a minimum, use of dust mist respirator certified by NIOSH, filtered airhood device. Employees using respirators will need respiratory fit testing and medical clearance
What does AAAAI stand for?
American Academy of Allergy, Asthma, and Immunology
The use of immunotherapy as a means to protect workers from further symptoms has not been fully established. T/F
Transmission of zoonotic diseases in the laboratory animal environment is uncommon. T/F
Vigilance for zoonoses is an important aspect of all ___________ transplantations.
B- virus in macaques causes a clinical disease similar to human
d. herpes simplex
An ocular complication of B virus infection in macaques is____________.
Latency of the B virus is seen in the ganglia of sensory or motor (choose one) nerves serving the region in which the virus was introduced.
NAme three stressors that can induce B virus shedding from peripheral sites.
change in housing
What period in the macaque life cycle shows the highest incidence of B virus infection
c. old age
Although several species of New world and old world monkeys are known to succumb to fatal B virus infection, only macaques and chimpanzees are known to harbor B virus naturally. T/F
Fomite, as well as human to human, transmission has occurred with B virus infections in humans. T/F
The incubation period between initial exposure and onset of clinical signs ranges from
a. 1-2 months
b. 1-7 days
c.2-days to 1 month
d. 3-4 weeks
Name one of two antiviral therapeutics used if a person has a history and symptoms consistent with B virus infection.
Ebola hemorrhagic fever is caused by a _________ (type of virus).
What was the name of the Ebola like filovirus that cam from macaques imported into the united states from the Philippines during 1989?
Name two important modes of transmission for Ebola that do not involve human to animal contact
contact with blood products
vcontact with fomites
Marburg virus diseases have been recognized on only ___ occasions.