Understanding Germs

What tool is necessary to see germs due to their tiny size?

• Binoculars

• Telescope

• Magnifying glass

• Microscope

Which of the following is a beneficial role of some bacteria in the human body?

• Increasing heart rate

• Aiding digestion

• Producing toxins

• Causing infections

Why are antibiotics ineffective against viruses?

• Viruses are too large

• Viruses are immune to all medications

• Viruses do not reproduce outside a host

• Viruses are not living organisms

What is a common characteristic of fungi that makes them easier to target with medications?

• They are microscopic

• They are multi-celled

• They mutate slowly

• They thrive in dry environments

How can protozoa infections typically spread?

• Through the air

• Through contaminated water

• Through direct contact

• Through animal bites