Disease & Pandemic Review 8th Grade Science Quick Review Dana Frank Danao.frank@cms.k12.nc.us

Sara visits the doctor because she has a sore throat and fever Sara visits the doctor because she has a sore throat and fever. The doctor tells her strep throat is going around and prescribes an antibiotic that she will take for 5 days. After 5 days, Sara isn’t feeling any better. Why might she not be feeling any better? Discuss every possibility.

Sara visits the doctor because she has a sore throat and fever Sara visits the doctor because she has a sore throat and fever. The doctor tells her strep throat is going around and prescribes an antibiotic that she will take for 5 days. After 5 days, Sara isn’t feeling any better. Why might she not be feeling any better? Discuss every possibility. She has a virus, antibiotics are ineffective against it. She probably wasn’t vaccinated against this virus She has strep, but she has a form that has evolved to become resistant to the antibiotic the doctor described.

Vaccination programs help control epidemic outbreaks of disease by A Vaccination programs help control epidemic outbreaks of disease by A. Limiting the number of active viruses in a population B. Creating a “herd immunity,” which protects the larger population from infected individuals C. Isolating individuals who may be infected. D. Treating the symptoms of the disease and making it less contagious

Which of the following would be least likely to reduce contact between disease vectors and the human population? Weekly garbage collection Rodent controls Increased air quality standards Summer mosquito spraying programs

Unrepaired flood damage to homes is most likely to increase the spread of which of the following disease agents? Fungus Bacteria Virus Parasite

Defining an outbreak as an epidemic or pandemic is dependent on A Defining an outbreak as an epidemic or pandemic is dependent on A. Geographical spread & percentage of population infected B. Death rate from disease & severity of symptoms C. Areas of the world infected & type of disease D. Percentage of population infected & number of deaths

Why do doctors recommend that people get vaccinated for the flu each year compared to other diseases that require just one vaccination in your lifetime? A. The flu vaccine is weak and does not last longer than a year B. Viruses can mutate from year to year causing different strains of the flu C. Vaccines are absorbed by the body after a year D. Your body becomes immune to the vaccine you previously received

Which has made the possibility of an epidemic becoming a pandemic much MORE LIKELY in the 21st century? A. Increased deforestation B. Increased vaccinations C. Increased global travel D. Increased air pollution