DREXEL BIO 209 FINAL QUESTION SET WITH
RATIONALES AND PROTEIN STRUCTURE AND
FUNCTION REVIEW 2026
◉ What is a sporadic disease?
Answer: A sporadic disease occurs rarely and cases are scattered
geographically.
◉ What is an endemic disease?
Answer: An endemic disease is present at a low-rate level in certain
geographic locations.
◉ What is an epidemic disease?
Answer: An epidemic disease occurs when there are more new
infections than anticipated for that geographic location and time of
year.
◉ What is a pandemic disease?
Answer: A pandemic disease occurs when an epidemic happens with
a worldwide number of cases.
◉ Who is known as the father of modern epidemiology?
, Answer: John Snow.
◉ What did John Snow contribute to epidemiology?
Answer: He figured out the cholera outbreak was linked to
contaminated water and advocated for clean water and better
sanitation.
◉ What did Florence Nightingale discover about deaths during the
war?
Answer: Many deaths were due to infection, not injuries in battle,
leading to changes in medical practices for cleanliness.
◉ What are emerging infectious diseases?
Answer: Emerging infectious diseases are those new to the human
population or showing an increase in prevalence over the past 20
years.
◉ What are re-emerging infectious diseases?
Answer: Re-emerging infectious diseases are those increasing in
frequency after a period of decline.
◉ What can cause an infectious disease to re-emerge?
Answer: Overcrowding, growing populations, or changes in genetic
variation of the pathogen.
RATIONALES AND PROTEIN STRUCTURE AND
FUNCTION REVIEW 2026
◉ What is a sporadic disease?
Answer: A sporadic disease occurs rarely and cases are scattered
geographically.
◉ What is an endemic disease?
Answer: An endemic disease is present at a low-rate level in certain
geographic locations.
◉ What is an epidemic disease?
Answer: An epidemic disease occurs when there are more new
infections than anticipated for that geographic location and time of
year.
◉ What is a pandemic disease?
Answer: A pandemic disease occurs when an epidemic happens with
a worldwide number of cases.
◉ Who is known as the father of modern epidemiology?
, Answer: John Snow.
◉ What did John Snow contribute to epidemiology?
Answer: He figured out the cholera outbreak was linked to
contaminated water and advocated for clean water and better
sanitation.
◉ What did Florence Nightingale discover about deaths during the
war?
Answer: Many deaths were due to infection, not injuries in battle,
leading to changes in medical practices for cleanliness.
◉ What are emerging infectious diseases?
Answer: Emerging infectious diseases are those new to the human
population or showing an increase in prevalence over the past 20
years.
◉ What are re-emerging infectious diseases?
Answer: Re-emerging infectious diseases are those increasing in
frequency after a period of decline.
◉ What can cause an infectious disease to re-emerge?
Answer: Overcrowding, growing populations, or changes in genetic
variation of the pathogen.
