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Flashcards in Exam 3 Deck (8)
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1

What is health

A state of complete mental, physical, and social well being

2

Disease

a deleterious change in the bodies condition in response to an environmental factor

3

What causes disease?

Diet and nutrition
Infectious agents
Toxic chemicals

4

what is the leading cause of death in modern times?

Infectious organisms; mostly water born

5

Pathogen

Any living thing that causes disease (alters metabolic functions) in the host

6

Vector

Organism that transmits pathogen

7

Leading cause of death today

1. Cardiovascular diseases
2. Cancer
3. Injuries
4. Acute lung disease
5. Chronic lung disease

8

What causes emergent diseases?

Transportation: spreads quickly and more
High population: living closer together; high density
Exposure rate: going into places with high bio-diversity