epi exam 2 prep Flashcards
Which pathogen is considered to be an outbreak with only 1 case?
Listeria
Accidental hosts can contract trematodes via percutaneous exposure in freshwater (T/F)
True
Giardia is killed by chlorine, but Cryptosporidium must be filtered.
False. They both must be filtered
The USDA is not responsible for regulating
Pasteurization of Milk (done by FDA)
In which region of the US would you need to be aware of Yersinia pestis?
Southwest
What are the primary host for Hantavirus? How is it transmitted zoonotically?
Pet rodents are the primary host. Humans inhale aerolized feces and urine.
Which is most likely to cause sudden death in cattle?
Bacillus Anthracis-Anthrax
TB Reactors w/ few encapsulated cysts can be trimmed and passed w/ restrictions (T/F)
True
Mitigation focuses on which short or long term goals?
Long term goals
Which way would a vet be most likely to contract Leptospirosis?
Exposure to urine
Which way would a vet be most likely to contract West Nile Virus?
Via Mosquitos working in the field
When would a vet be exposed to both Coxiella and Brucella?
When treating abortion storms in a farm
You should not wear gloves during a necropsy (T/F)
False
What is the best way to reduce risk of contracting Toxocara?
Give anthelmenthics to dogs
Which pathogen has an eradication program in place for cattle in the US?
Brucella abortus
Which species is PSE meat more common in?
Pork meat
What causes DFD meat?
Caused by increased pH due to decreased glycogen stores antimortem
H.U.S. (Hemorrhagic Uremic System) is seen in which
pathogen?
E-coli
What is the most common cause of severe diarrhea in children worldwide?
Rotavirus
How long can Norovirus be shed by humans post illness?
2 weeks
What is the most likely source of foodborne intoxicant S. aureus?
Skin
How can Hepatitis A be transmitted?
Fecal-oral route
Lesions of Echinococcus granulosus in intermediate hosts?
Large, unilocular cysts in the tissue of intermediate hosts.
In VEEV what are the enzootic and epizootic reservoirs?
Horses= Epizootic reservoirs Rodents= Enzootic reservoirs
Does grade B milk abide to the PMO? (yes/no)
No
According to the PMO, which is required for Grade A Milk?
Milk must be cooled to 45F within 2 hours of milking the cow.
Alcohol based cleansers are not recommended due to frequency of organic material. (T/F)
True
What is the Codex Alimentarius and what does it do?
It is an intergovernmental body that determines food standards at an international level.
A lady is inviting friends over for dinner and she wants to
serve chicken from her backyard flock. She has been told that she must take the chickens to an approved, regulated slaughterhouse according to the PPIA. (T/F)
False
What category of accreditation is needed to treat mink?
Category 1
Where do most cats bite?
Hands and arms
Which is not an approved method for Humane Slaughter?
Barbiturates
Which pathogen is not considered a foodborne intoxicant?
Salmonella
2 people ate the same food and are experiencing flaccid
paralysis. What is the cause of this outbreak?
Clostridium Botulinum
example of sentinel surveillance?
Determining human risk of WNV by testing horses and dead birds
Brucella melitensis is the most pathogenic strain for humans (T/F)
True
There was an outbreak of dz in red squirrels in California. Now the same dz is showing up in brown squirrels in Colorado. This is an example of:
Emerging disease
Which is a true example of zoonosis?
Brucellosis in Raw Milk
What are the 2 components of Pre-Slaughter Food Safety?
On Farm Food Safety and Antemortem Inspection
An animal found to have a generalized neoplasia will be condemned (T/F)
True
Why do Downer Cattle get condemned immediately?
Because they are more likely to have BSE Prions
Which is not a goal of the HAACP?
It is more concerned with the quality of food than food safety
You are most likely to injure yourself at an internship where:
You are on-call Monday-Saturday and are working 65-70 hours per week
Which is not a goal of Meat Inspection?
To make sure all animals on the farm are pathogen-free
Which is an example of reducing contact potential?
Quarantining the whole flock after a disease outbreak
In which disease is a horse a reservoir host and not an
accidental host?
VEEV
A guy in Texas wants to slaughter 10 of his cows and sell them to a small retail store in Michigan. Which statement is true?
He must abide by the regulations set but the FMIA (Federal Meat Inspection Act)
