Virus Review

A tiny, nonliving particle that enters and then reproduces inside a living cell

• host

• parasite

• virus

• bacteria

The best TREATMENT for a viral infection is

• a vaccine

• an antibiotic

• rest and fluids

• fever reducing medication like Tylenol

Something that provides a source of energy for a virus or parasitic organism is a

• host

• parasite

• virus

• bacteria

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A virus that only infects bacteria is called a

• bacteriophage

• parasite

• host

• lock and key

An organism that lives on or in another organism (host) and harms the host is a

• host

• parasite

• virus

• bacteria

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The best way to PREVENT a viral infection is

• a vaccine

• an antibiotic

• rest and fluids

• fever reducing medication like Tylenol

Which phrase best describes the size of virus particles?

• much larger than cells

• slightly larger than cells

• the same size as cells

• much smaller than cells

How does a vaccine work?

• helps the immune system learn to recognize a virus

• weakens the cell walls of bacteria causing the cells to burst

• treats the symptoms of an infection

• attacks a virus

How are viruses like parasites?

• viruses harm their host

• viruses help humans

• viruses make their own food

• viruses use energy to grow and develop

How do viruses get the resources they need to reproduce?

• from eating cells

• from the sun

• from their host cell

• from other viruses