Unit 2: 16.1

Question 1

Epidemiology

Answer 1

The science underlying public health

Question 2

Morbidity

Answer 2

State of being diseased/state of illness

Question 3

Mortality

Answer 3

Refers to death

Question 4

Prevalence

Answer 4

Total number affected in the population

Question 5

Incidence

Answer 5

Number of new cases

Question 6

Sporadic diseases

Answer 6

Diseases occur rarely without a geographic focus

• tetanus
• rabies
• plague

Question 7

Endemic diseases

Answer 7

Constantly present in a population in a specific region

-malaria is endemic to Brazil but not to US

Question 8

Epidemic diseases

Answer 8

Larger than expected number of cases occurs in a short time within a geographic location
-Influenza

Question 9

Pandemic

Answer 9

An epidemic that is worldwide

• HIV/AIDS
• Influenza novel strains
• covid

Question 10

What is an epidemiologist first task?

Answer 10

Determine cause of disease

Question 11

Etiologic/causative agent

Answer 11

Cause of disease

Question 12

Kochs postulates

Answer 12

Gives procedure on how to identify a pathogen as cause of disease
-limitation: microbe cannot be isolated and cultured if no animal host. Moleculst koch is used instead