exam 3 Flashcards
What is a non communicable disease
A disease that cannot be transferred from person to person.
What is actual causes of death?
provides insight into the underylying cuse of death.
3 categories of actual causes of death
noncommunicable diseases, communicable diseases, and
environmental diseases and injuries
Main noncommunicable diseases
Cardiovascular disease
* Cancers
* Depression
* Alzheimer’s
* Chronic arthritis
Leading cause of death in US
Cardiovascular diseases and cancer
represent nearly 25% of the causes of death
reflected on death certificates in the US
what is screening
use of tests on asymptomatic individuals
4 criteria for screening
- The disease produces substantiable death or disability
- Early detection is possible and improve outcome
- There is a feasible testing strategy for screening
- Screening is acceptable in terms of harms, cost and patient acceptance
Lead time bias
early detection without improved outcome
endemic
when a disease is continuously present at fairly low levels
what are two ways to break the chain of infection?
1.vaccination
2. education
Passive immunity:
Inject antibodies into individuals for short term protection
inactivated vaccines
dead organisms injected into patient to build immunity
live vaccines
weakened organisms used to stimulate cell mediated immunity and create long term protection
herd immunity
when high levels of the pop have been vaccinated the rest of the population is protected
what are some public healt tools available to adress the burden of communicable diseases
barrier protection, immunizations