Biosecurity 1 Flashcards
What are the hierarchy of controls for workplace management of hazards from least to most effective?
PPE
Admin controls
Engineering controls
substitution
elimination
How does elimination help manage hazards?
physically remove hazard
How does substituion help manage hazards?
replace hazard
How do engineering controls help manage hazards?
isolate people from the hazard
How do administration controls help manage hazards?
change the way people work
How does PPE help manage hazards?
protect worker
What are the 3 elements of transmission of infectious agents?
- a source (or reservoir)
- susceptible host with entry portal receptive to agent
- mode of transmission for agent
I ______ create a program to _______ the risk of ________ diseases that are preventable
can/should
minimize
many
How can a pathogen get from the infected to clean cows?
food
water
close contact
Are sheep at a higher or lower risk than the cow-to-cow?
Depends on the disease
Explain the epidemiological triad of causal factors
agent
environment
host
What are some of examples of agent causal factors of disease?
virulence
infectivity
What are some environmental examples causing disease?
sanitary conditions, social context
What are some of examples of agent causal factors of disease?
genetic susceptibility, resiliency, nutritional status
Define biosecurity
cumuluative measures can/should be taken to keep disease from occurring and prevent transmission of disease with policies and hygienuc practices designed to prevent incidents of infectious dx