Pathogens Review

Why do doctors suggest people get a flu vaccine each year?

• viruses replicate more rapidly over time
• viruses can mutate from year to year
• vaccines are absorbed by the body after a year
• vaccines get stronger over time

Ten people became sick with the flu after attending a school dance.What likely happened?

• Contact with environmental sources
• contact with an infected animal
• contact with a contaminated object
• contact with an infected person

Which is the BEST way to prevent the flu from becoming a pandemic?

• getting a vaccination
• taking antibiotics
• eating fruits and vegetables
• washing hands often

How can the rate of infectious disease be drastically reduced?

• by taking medication daily
• by preventing transmission between people
• by wearing clean clothing daily
• by performing dental hygiene three times each day

Malaria is a common disease in many countries. What is the cause of this disease?

• virus
• bacterium
• fungus
• parasite

What do antibiotics cure?

• bacteria
• virus
• parasite
• fungus

Which pathogen needs a host cell to reproduce?

• virus
• bacteria
• fungus
• parasite

which pathogen lives in or on a host?

• bacteria
• virus
• parasite
• fungus

Which term describes a disease spread across the largest area?

• epidemic
• pandemic

Which  best describes the difference between a pandemic and epidemic?

• Pandemic is like an apple if epidemic is like an orange
• epidemic is like a city if pandemic is like the whole country
• both mean the same thing
• pandemic is smaller than an epidemic