Pandemic and Epidemic Review

On Monday, Kari exhibits no symptoms of a viral illness. She is sick on Tuesday and stays home from school. On Wednesday, her friends stay home with the same illness, despite having no contact with Kari when she was sick on Tuesday. Which is the most likely explanation of how the other students became sick?

• Kari was immune to the virus but infected the other students

• The virus mutated and infected the other students after Kari got sick

• Kari was infected with the virus before she experienced any symptoms

• The virus was a carrier, and the other students were infected after Kari got sick.

Tags

NGSS.MS-LS2-4

Which best describes treatments for viral epidemics and viral pandemics?

• Both are easily treated using a combination of vaccination and antibiotics

• Epidemics are treated with vaccinations, while pandemics are treated with antibiotics

• Epidemics are treated with antibiotics, while pandemics are treated with vaccinations.

• Neither is easily treated because viral infections are easier to prevent than they are to treat.

Which would most likely prevent a cold virus from spreading through a classroom?

• Have a large supply of tissues on the teacher's desk.

• Have all students wash their hands regularly with soap.

• Have all students shake hands regularly with all students.

• Have all students wipe desk with dry paper towel as end of class.

Which would most likely aid in the prevention of an epidemic?

• drinking lots of fluids

• isolating infected individuals

• researching non-infectious diseases

• taking antibiotics before symptoms start

Which best distinguishes an infectious disease from a noninfectious disease?

• Infectious diseases can be cured with antibiotics; noninfectious diseases cannot.

• Infectious diseases can be prevented with vaccines; noninfectious diseases cannot.

• Infectious diseases can be spread from one organism to another; noninfectious diseases cannot.

• Infectious diseases cannot be transmitted from one organism to another; noninfectious diseases can.

The Black Plague killed about 100 million people in the fourteenth century. The bacteria that caused the plague was carried by fleas on rats and traveled great distances. Which would have most directly limited the spread of the disease?

• cleaner water sources

• refrigeration of food and water

• reduction in the rodent population

• better medicines to treat infected individuals

Which antibiotic was developed from a fungus and has been used to cure many illnesses that could have led to epidemics?

• aspirin

• ethanol

• penicillin

• acetaminophen

What type of disease pattern spreads rapidly over countries and continents?

• Outbreak

• Pandemic

• Epidemic

• Endemic

What type of disease pattern spreads rapidly in a population or region affecting more than expected?

• Endemic

• Pandemic

• Epidemic

• Outbreak

Which of the following is an example of direct contact with an infected person?

• sneezing

• shaking hands