Agents of Disease SchoolNet Retake

Which requires a host cell in order to reproduce?

• algae

• bacterium

• protist

• virus

Which can be treated with antibiotics?

• bacterium

• mutagen

• parasite

• virus

Why do doctors suggest people get a flu vaccine every 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.

Both bacteria and fungi can be _________________.

• decomposers

• eukaryotes

• multicellular

• prokaryotes

Which of the following reasons would explain why an infectious disease is pandemic?

• The disease is a worldwide threat.

• The disease is confined to a particular area.

• The disease has been controlled through vaccination.

• The disease is not a worldwide threat.

Ten people became sick with the flu after attending a school dance. What is the best explanation for how the people got sick?

• contact with an environmental source

• contact with an infected animal

• contact with a contaminated object

• contact with an infected person

How can the rate of an infectious disease be drastically reduced?

• by taking medication daily

• by wearing clean clothing

• by preventing transmission between people

• by performing dental hygiene three times a day

What is the difference between an epidemic and a pandemic disease?

• epidemic is from bacteria, pandemic is from viruses

• epidemic is more local, pandemic is over a large area

• pandemic is preventable, epidemic is not preventable

• there is no real difference between an epidemic and pandemic disease

The table below shows the data about diseases and vaccines availability. Which disease had the lowest number of cases after the vaccine?

• tetanus

• measles

• diphtheria

• rubella

According to the table above, which disease had the highest number of cases before the vaccine?

• Measles

• Mumps

• Pertussis

• Tetanus