Pathogens and The Immune System

What are pathogens?

• disease spreading micro-organisms

• beneficial vitamins in food

• harmless dust particles

• nutrients required for growth

What is germ theory?

• The idea that all diseases are caused by the same pathogen

• The idea that different pathogens spread specific diseases

• The idea that pathogens do not cause diseases

• The idea that only bacteria cause diseases

Which of the following are the most common types of pathogens?

• Bacteria, viruses, and fungi

• Plants, animals, and minerals

• Water, air, and soil

• Insects, birds, and mammals

Germ theory is the idea that ________ spread specific diseases.

• different pathogens

• nutrients

• body cells

• vitamins

What are bacteria?

• Multi-celled organisms

• Single celled micro-organisms found in nearly every possible location that sustains life

• Viruses

• Fungi

Most bacteria are beneficial, but certain bacteria can negatively impact human health when present inside the body.

• True

• False

Tags

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The most common bacteria infection is ________, which naturally resides inside animal intestines, but can cause food poisoning if ingested while eating.

• E. Coli

• Staphylococcus aureus

• Salmonella typhi

• Bacillus cereus

Which bacteria is also known as Staph and can cause abscesses that may lead to further infections?

• E. Coli

• Staphylococcus aureus

• Penicillium

• Amoxycillin

Most bacterial infections can be cured by taking ________.

• antibiotics

• painkillers

• antivirals

• vaccines

Over time, some bacteria can become resistant to certain drugs.

• True

• False

Tags

NGSS.MS-LS3-1

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