The Human Microbiome Quiz

What are microorganisms?

• Invisible creatures that threaten the human body

• Bacteria that live on the skin

• Aliens from a far-off planet

• Tiny structures that make up all living things

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Where do microorganisms live in the human body?

• Only in the gut

• On the skin and in the gut

• In the nose and mouth

• Everywhere on and in the body

What is the human microbiome?

• The environment and organisms living in and on the human body

• The number of bacteria in the human body

• The harmful bacteria in the human body

• The helpful bacteria in the human body

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What is the weight of the bacteria in the microbiome of an average human?

• 2 to 5 pounds

• 10 to 20 pounds

• 50 to 100 pounds

• More than 100 pounds

What do bacteria in the gut help with?

• Breaking down food

• Protecting the body from infection

• Repairing the gut

• Causing food poisoning

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What happens when a person takes antibiotics?

• Helpful bacteria grow back immediately

• Harmful bacteria are killed

• The microbiome remains unchanged

• The microbiome changes

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What causes food poisoning?

• Poisoned food

• Infection with harmful bacteria

• Spoiled food

• Breathing polluted air

What does the human body provide to bacteria in the microbiome?

• Food and shelter

• Protection from infection

• Antibiotics

• Space to grow

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What is the human body compared to the bacteria of the microbiome?

• A world in miniature

• A far-off planet

• An alien invasion

• A harmful environment

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What do Bacilli and Bacteriodaceae do in the gut?

• Digest molecules in milk

• Help the body defend itself against disease

• Line the gut to prevent harmful bacteria

• Grow in the human gut

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