Intro

Question 1

Disease

Answer 1

particular abnormal condition, disorder of a structure/function, that affects all or part of an org

Question 2

Pathology

Answer 2

study of disease

Question 3

external sources

Answer 3

infectious pathogens, environmental conditions

Question 4

internal dysfunctions

Answer 4

autoimmune diseases

Question 5

pathogen

Answer 5

anything that causes disease and capable of producing an infection

Question 6

infectious agents

Answer 6

virus, bacteria, fungi

Question 7

infection

Answer 7

invasion and multiplication of microorganisms such as bacteria, viruses, parasites, that are not normally found in the body

Question 8

parasite

Answer 8

an org that lives in or on another org (host) and benefits by deriving nutrients at host’s expense

Question 9

horizontal transmission

Answer 9

between members of same species

Question 10

vertical transmission

Answer 10

directly from mother to embryo during pregnancy

Question 11

prevalence

Answer 11

proportion of population found to have a condition (# individuals with disease / total pop)

Question 12

abundance

Answer 12

ecological concept referring to the relative representation of a species in a particular ecosysten (# individuals w disease within a sample pop)

Question 13

incidence

Answer 13

freq with which the species occurs at all in a sample

Question 14

biosecurity

Answer 14

preventative measures designed to reduce the risk of transmission of infectious diseases in crops and livestock, quarantined pests, invasive species and modified orgs

Question 15

biocontainment

Answer 15

physical containment of pathogenic orgs/agents

Question 16

5 steps in disease diagnosis

Answer 16

1. clinical history
2. gross observation
3. physical exams
4. diagnostic tests
5. differential diagnosis