NATS 1670 Final Exam Questions with Correct
Answers and Rationale 2026 Chamberlain
College of Nursing
TESTED EXAM QUESTIONS VERIFIED GRADED ANSWERS
1) What was the life expectancy in ✓ Under the age of 50, with a 25%
the early 1900's? child mortality rate.
2) When was the first vaccine ✓ 1880
created?
3) ____________ _____________ ✓ INFECTIOUS DISEASES can
can reduce life expectancy reduce life expectancy
dramatically, due to the lack of dramatically, due to the lack of
__________________. CONTROL.
4) Upon early discover, microbes ✓ Enemies, until used in medicine.
were viewed as?
5) What are the beneficial roles of ✓ - waste breakdown/food production
microbes? - provides protection against more
, virulent microbe
- drug preparation (penicillin,
insulin)
- making vitamins
- digestion
6) What does mutual life mean, when ✓ Microbes keep us alive and we
in context with microbes? keep them alive.
7) What is a chronic disease? ✓ a disease that does NOT kill its
host quickly
8) What is an acute disease? ✓ A disease that DOES cause death
quickly.
9) What does the natural evolution of ✓ The natural evolution of a microbe
a microbe operate on? operates on its spreading capacity.
NOT the ability to cause disease
10) What does microbial natural ✓ Microbial natural selection favours
selection favour? less or non-violent microbes.
11) Which kind of microbes can live in ✓ Microbes that are well-adapted to
a host WITHOUT causing its host
damage?
12) What epidemics were caused by ✓ - Small Pox
microbes? - Bubonic Plague
- Spanish Influenza
, 13) What were the three causes that ✓ - Better Sanitation
moved society away from - Vaccines
Infectious Diseases? - Antibiotics
14) Why will society never be clear of ✓ - development of drug resistant
infectious diseases? strains
- outbreaks of existing diseases
- New disease causing agents
15) What does Dr. Margret Chan ✓ -We risk entering a post-antibiotic
believe will happen in the future? era
- this will cause an end to modern
medicine
16) What is Necrotizing Fasciitis ✓ Flesh eating Disease
17) Who is to blame for the ✓ - Farmers
development of Drug-resistant - Health Workers
strains? - Patients
- Hospitals
18) What is the man/wild life origin of ✓ Man Made Wild Life
these dieseases 1) Sexual Activity, Drug addiction,
1) AIDS Chimpanzee (SIV)
2) Saars Blood
3) West Nile Virus (WNV)
4) Influenza 2) Restaurants, Hotels, Hospitals
5) Monkey Pox Bats, Palm civet
Answers and Rationale 2026 Chamberlain
College of Nursing
TESTED EXAM QUESTIONS VERIFIED GRADED ANSWERS
1) What was the life expectancy in ✓ Under the age of 50, with a 25%
the early 1900's? child mortality rate.
2) When was the first vaccine ✓ 1880
created?
3) ____________ _____________ ✓ INFECTIOUS DISEASES can
can reduce life expectancy reduce life expectancy
dramatically, due to the lack of dramatically, due to the lack of
__________________. CONTROL.
4) Upon early discover, microbes ✓ Enemies, until used in medicine.
were viewed as?
5) What are the beneficial roles of ✓ - waste breakdown/food production
microbes? - provides protection against more
, virulent microbe
- drug preparation (penicillin,
insulin)
- making vitamins
- digestion
6) What does mutual life mean, when ✓ Microbes keep us alive and we
in context with microbes? keep them alive.
7) What is a chronic disease? ✓ a disease that does NOT kill its
host quickly
8) What is an acute disease? ✓ A disease that DOES cause death
quickly.
9) What does the natural evolution of ✓ The natural evolution of a microbe
a microbe operate on? operates on its spreading capacity.
NOT the ability to cause disease
10) What does microbial natural ✓ Microbial natural selection favours
selection favour? less or non-violent microbes.
11) Which kind of microbes can live in ✓ Microbes that are well-adapted to
a host WITHOUT causing its host
damage?
12) What epidemics were caused by ✓ - Small Pox
microbes? - Bubonic Plague
- Spanish Influenza
, 13) What were the three causes that ✓ - Better Sanitation
moved society away from - Vaccines
Infectious Diseases? - Antibiotics
14) Why will society never be clear of ✓ - development of drug resistant
infectious diseases? strains
- outbreaks of existing diseases
- New disease causing agents
15) What does Dr. Margret Chan ✓ -We risk entering a post-antibiotic
believe will happen in the future? era
- this will cause an end to modern
medicine
16) What is Necrotizing Fasciitis ✓ Flesh eating Disease
17) Who is to blame for the ✓ - Farmers
development of Drug-resistant - Health Workers
strains? - Patients
- Hospitals
18) What is the man/wild life origin of ✓ Man Made Wild Life
these dieseases 1) Sexual Activity, Drug addiction,
1) AIDS Chimpanzee (SIV)
2) Saars Blood
3) West Nile Virus (WNV)
4) Influenza 2) Restaurants, Hotels, Hospitals
5) Monkey Pox Bats, Palm civet
