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Nats 1670 Final Exam With Questions And Accurate Answers
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Nats 1670 Final Exam With Questions AndAccurate Answers
What was life expectancy in the early 1900's? -Answer Under the age of 50, with a 25%
child mortality rate.
When was the first vaccine invented? -Answer 1880
____________ _____________ can reduce life expectancy dramatically, due to the lack of
__________________. -Answer INFECTIOUS DISEASES can reduce life expectancy
dramatically, due to the lack of CONTROL.
Upon early discover, microbes were viewed as? - Answer Enemies, until used in
medicine.
What are the helpful functions of microbes? - Answer - waste breakdown/food
production
- supplies protection against more virulent microbe
- drug preparation (penicillin, insulin)
- making vitamins
- digestion
What does mutual life mean, when in context with microbes? - Answer Microbes keep us
alive and we keep them alive.
What is a chronic disease? -Answer a disease that does NOT kill its host quickly
What is an acute disease? -Answer A disease that DOES cause death quickly.
,What does the natural evolution of a microbe operate on? -Answer The natural evolution
of a microbe operates on its spreading capacity. NOT the ability to cause disease.
What does microbial natural selection favour? - Answer Microbial natural selection
favours less or non-violent microbes.
Which kind of microbes can exist in a host WITHOUT causing damage? - Answer
Microbes that are well-suited to its host
What epidemics were caused by microbes? - Answer - Small Pox
- Bubonic Plague
- Spanish Influenza
What were the three causes that moved society away from Infectious Diseases? -
Answer - Better Sanitation
- Vaccines
- Antibiotics
Why will society never be clear of infectious diseases? - Answer - development of drug
resistant strains
- outbreaks of existing diseases
- New disease causing agents
What does Dr. Margret Chan believe will happen in the future? - Answer -We risk
entering a post-antibiotic era
- this will cause an end to modern medicine
What is Necrotizing Fasciitis - Answer Flesh eating Disease
, Which of the following are responsible for the development of Drug-resistant strains? -
Answer - 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 - Answer 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
4) Poultry Farms Wild Aquatic Birds
5) Pet Retailers and Stores Wild Rodents in Africa
Bioterrorism? -Answer The intentional release of bacteria or toxins for the purpose of
harming or killing
Why was the eradication of small pox so successful? - Answer - very good vaccine
- only has one host: humans
3) Very clear symptoms
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