AND COMPLETE 100%CORRECTANSWERS WITH
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Infectious Diseases:
Infectious def: - ✔✔ANSWER✔✔>>- Dz caused by different classes of
pathogenic organisms... commonly called germs...
Infectious Diseases:
Non-Infectious - ✔✔ANSWER✔✔>>any Dz not caused by a pathogen
(e.g., asthma, CVD, obesity
Background why should we care
Emerging infectious diseases, - ✔✔ANSWER✔✔>>-Emerging infectious
diseases, - the idea of a new disease that could spread and infect and kill
millions of people, the idea of what is coming next
Infectious disease
Background why should we care continued: Zoonotic - ✔✔ANSWER✔✔>>·
Zoonotic - diseases caused by infectious agents that can be transmitted
between (or are shared by) animals and humans: it will jump from animal to
human, · they are populations that are uniquely vulnerable to these
zoonotic disease.· Ask why might people be vulnerable to these disease,
example farmers and vets, living conditions like the Black Death
Exposure concepts - ✔✔ANSWER✔✔>>• Life stage, such as infant or
elderly adult
• Sex
• Form and ability to be absorbed
• Metabolism
• Distribution within the body
• Excretion
, • Health of the individual, including organ function and pregnancy, which
involves physiological changes that could influence toxicity
• Nutritional status
• Presence of other chemicals
• Circadian rhythms (the time of day a drug or other substance is
administered)
Types of Toxic Effects - ✔✔ANSWER✔✔>>Different toxics have different
effects
Death
•Organ Damage - CNS, skin, eyes, reproductive, immune, liver, respiratory
( taking too much ibuprofen)
•Mutagenesis - changing DNA, genetic make-up*
•Carcinogenesis - cancer causing, cell changes, tumor/mass growths
•Teratogenesis - birth defects
*some diseases are the result of an interaction between our genetics
(individual variability) & chemicals in our environment
Sources of Toxins - ✔✔ANSWER✔✔>>• Environmental- stung by a bee
and allergic to it, how much how long of environmental exposures
• Occupational
• Therapeutic
• Dietary/Food
• Accidental
• Household
• Nature (e.g., animal, plant)
Deliberate...
Occupational Health - ✔✔ANSWER✔✔>>• Exposure at work/job
• Safety concerns at work
• Health effects & diseases associated with specific jobs recorded since
antiquity
• Often by members of lowest social class, not always viewed as a societal
concern
Occupational Health - history - ✔✔ANSWER✔✔>>•Paracelsus (1533) -
Miner's Disease came from inhaling metal vapors; foundation for the field of
chemotherapy
•