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NATS 1670 Final Exam Questions and Answers 100% Pass

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What was the life expectancy in the early 1900's? Under the age of 50, with a 25% child mortality rate. When was the first vaccine created? 1880 ____________ _____________ can reduce life expectancy dramatically, due to the lack of __________________. INFECTIOUS DISEASES can reduce life exp...

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  • October 10, 2023
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NATS 1670 Final Exam Questions and
Answers 100% Pass
What was the life expectancy in the early 1900's? ✔✔Under the age of 50, with a 25% child

mortality rate.




When was the first vaccine created? ✔✔1880




____________ _____________ can reduce life expectancy dramatically, due to the lack of

__________________. ✔✔INFECTIOUS DISEASES can reduce life expectancy dramatically,

due to the lack of CONTROL.




Upon early discover, microbes were viewed as? ✔✔Enemies, until used in medicine.




What are the beneficial roles of microbes? ✔✔- waste breakdown/food production


- provides protection against more virulent microbe

- drug preparation (penicillin, insulin)

- making vitamins

- digestion

,What does mutual life mean, when in context with microbes? ✔✔Microbes keep us alive and we

keep them alive.




What is a chronic disease? ✔✔a disease that does NOT kill its host quickly




What is an acute disease? ✔✔A disease that DOES cause death quickly.




What does the natural evolution of a microbe operate on? ✔✔The natural evolution of a microbe

operates on its spreading capacity. NOT the ability to cause disease




What does microbial natural selection favour? ✔✔Microbial natural selection favours less or

non-violent microbes.




Which kind of microbes can live in a host WITHOUT causing damage? ✔✔Microbes that are

well-adapted to its host




What epidemics were caused by microbes? ✔✔- Small Pox

,- Bubonic Plague

- Spanish Influenza




What were the three causes that moved society away from Infectious Diseases? ✔✔- Better

Sanitation

- Vaccines

- Antibiotics




Why will society never be clear of infectious diseases? ✔✔- development of drug resistant

strains

- outbreaks of existing diseases

- New disease causing agents




What does Dr. Margret Chan believe will happen in the future? ✔✔-We risk entering a post-

antibiotic era

- this will cause an end to modern medicine




What is Necrotizing Fasciitis ✔✔Flesh eating Disease

, Who is to blame for the development of Drug-resistant strains? ✔✔- Farmers


- Health Workers

- Patients

- Hospitals




What is the man/wild life origin of these dieseases

1) AIDS

2) Saars

3) West Nile Virus (WNV)

4) Influenza


5) Monkey Pox ✔✔Man Made Wild Life


1) Sexual Activity, Drug addiction, Chimpanzee (SIV)

Blood




2) Restaurants, Hotels, Hospitals Bats, Palm civet




3) Tires from Africa Wild Birds

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