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Flashcards in Occ Health Guidelines Deck (123)
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91

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

E.

92

Name the dog allergen and source of exposure.

Can f1, dog albumin, saliva, hair, skin

93

Sensitization to primates is common. T/F

False

94

Name sources of cattle allergens

dander and urine

95

Horses constitute a highly potent source of allergens. T/F

True

96

What are sources of horse allergens?

Daner, skin scrapings, albumin

97

There is no evidence of cross sensitivity between deer and horse allergens. T/F

False

98

Hypersensitivity pneumonitis due to exposure to birds is due to what type of Ab?

precipitating IgG abs to the protein in question

99

List some ways to detect the presence of specific IgE Abs in humans

skin tests,
RAST
ELISA

100

Airborne -allergen load in an animal room depends on what?

Rate of production, rate of removal, relative humidity

101

Surgical disposable masks are effective in minimizing sensitization to lab animal allergens. T/F

False

102

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

103

What does AAAAI stand for?

American Academy of Allergy, Asthma, and Immunology

104

The use of immunotherapy as a means to protect workers from further symptoms has not been fully established. T/F

True

105

Transmission of zoonotic diseases in the laboratory animal environment is uncommon. T/F

True

106

Vigilance for zoonoses is an important aspect of all ___________ transplantations.

xenotransplants

107

B- virus in macaques causes a clinical disease similar to human
a. influenza
b. measles
c. tuberculosis
d. herpes simplex

a

108

An ocular complication of B virus infection in macaques is____________.

conjunctivitis

109

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.

sensory

110

NAme three stressors that can induce B virus shedding from peripheral sites.

immunocompromised
shipping
change in housing

111

What period in the macaque life cycle shows the highest incidence of B virus infection
a. infancy
b. adolescence
c. old age

B

112

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

True

113

Fomite, as well as human to human, transmission has occurred with B virus infections in humans. T/F

True

114

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

D

115

Name one of two antiviral therapeutics used if a person has a history and symptoms consistent with B virus infection.

acyclvir

116

Ebola hemorrhagic fever is caused by a _________ (type of virus).

filovirus

117

What was the name of the Ebola like filovirus that cam from macaques imported into the united states from the Philippines during 1989?

Ebola Reston

118

Name two important modes of transmission for Ebola that do not involve human to animal contact

contact with blood products
vcontact with fomites

119

Marburg virus diseases have been recognized on only ___ occasions.
A. two
B. four
C. six
D. eight

c

120

Hantavirus is caused by a ____________ (type of virus)

arenavirus