Exam 1 Flashcards
T/F: a pregnant woman concerned about Toxoplasma gondii should clean the litter box once a week.
false, more often
nematode being used for bioterrorism. aerosolization potential
baylisascaris procyonis
remember- because raccoons are terrorists
in Kansas, zoo with two foreign cows- one is salivating excessively and has a mouth lesion. you should do what
call sv or avic immediately
epidemic curves: what is shown on the propagated source curve?
contagious
European Measles outbreak 2001
herd immunity
Out of 1400 human pathogens, approx how many are zoonotic
about half (61%)
Role of USDA accredited practicing vets
to provide surveillance for zoonotic and reportable diseases
what do you do during pre-crisis
test messages to an audience
What kind of surveillance if you put chickens in cages in the park so they can be bit by mosquitoes and then you test them for EEV?
Sentinel surveillance
Which is an example of an emerging disease
Hendra virus
commonly in bats, made an unprecedented appearance in a different species and in humans in 2001
Which best encompasses the term “surveillance”
Testing cows for brucella, culling the ones who test positive and publishing and article about it
A cat from colorado has cervical and submandibular swelling and a high fever. What should be on your DDx
Tularemia
Horse with upright conformation of hooves is predisposed to navicular dz, determinants?
intrinsic and secondary determinant
Trematode –> Snail –> crustacean –> human
biological vector- changed from cercariae to metacercariae
Which is true about passive surveillance?
It is continuous surveillance
Picture of epidemic curve:
All animals exposed day 3 (red arrow)
Day 10-16 contagious
Common source single point
which one can be representative of the population
active surveillance
Definition of primary prevention?
keeping a pathogen out of a population
Which is reducing contact potential
quarantining a farm with a FAD outbreak
Tularemia case, hare hunt with disembowelment, everyone within 5 meters is affected by what kind of transmission
Horizontal, direct
Increasing host resistance example
genetic selection of trypanotolerant Ndama cattle
Which is not a sign of anthrax post mortem in a cow
lesions in mouth
What is the amplifying vector in FMD
pigs
difference between clinical and epidemiological approach
Epi approach can minimize dz without knowing the etiology
Which have to be true to have an epidemic of avian influenza
New strain
Must infect new host
Which is false about vets and disaster management
vets are trained in herd management, not good for the task of disaster planning
Which stage of pathogen emergence involves dead end hosts
stage 2
Which is false about the ICS
it does not allow for multi-agency cooperation
which animal do you need category II accreditation for?
pigs
Only a ___________ vet can sign the health certificate
USDA Accredited vet
Droplet spread
Spray with short range aerosols.
Considered direct b/c transmission is by direct spray over a FEW FEET
Airborne transmissions
infectious agents carried by dust or droplet nuclei suspended in air
Dead End hosts
stage 2
Measles MMR and Autism
Pathogen adaptability
What percent of EMERGING diseases are zoonotic
75%
Cat stratch bartonella, coughing guy with flue on plane, dog bite rabies, equine STD all are what kind of transmission
Direct transmission
Life cycle of an arthropod parasite –> humans
biological vector
What is contagious?
propagated source
What is an example of primary prevention
border security to keep an FAD out of the US
Within the regulatory framework, the role of USDA accredited practicing vets is to:
provide surveillance for reportable dz
Disease X is emerging, has an 80% mortality rate, no one seems to care, what do you do?
precaution advocacy
T/F: it is important to test messages in the pre-crisis stage
true
Which allows for continuous surveillance?
passive surveillance
Which type of surveillance can be representative of the population?
active surveillance
T/F regarding USDA accreditation:
You are taught the CS for reportable dz in your state
FALSE
T/F Only a usda lab can officially diagnose an FAD
true
T/F to reduce contact potential quarantine the cattle
true
What do the following have in common:
Food/agriculture systems, human behavior, environmental systems, land use changes
all are drivers of pathogen emergence
what is the goal of primary prevention
prevent disease occurrence by keeping pathogens out
IN the state surveillance of rabies, states depend on submission of case forms. Type?
Passive surveillance
