Pathogens and Disease

True or False: Some vIruses and bacteria that live in food, water, and soil can cause disease.

• True

• False

Tags

NGSS.MS-LS2-4

Infectious diseases can spread by contact with

• an infected person

• a contaminated object

• an Infected animal

• an environmental source

• All of the above.

True or False: The flu is spread only by direct contact, such as kissing a person with the flu.

• True

• False

What is the smallest pathogen?

• protist

• bacteria

• virus

• fungi

If you want to stay well, which of these should you do?

• exercise regularly

• eat a balanced diet

• get enough sleep

• all of these

What is a disease outbreak that effects people in the same place at the same time.

• Epidemic

• Pandemic

• Quarantine

Ticks are an example of this way of transmitting (spreading) disease

• Air-borne

• Vector

• Touching a surface

• Contaminated food or water

Which of the following is NOT responsible for causing infectious diseases?

• Miasma

• Bacteria

• Fungi

• Viruses

Which best distinguishes an infectious disease from a noninfectious disease?

• Infectious diseases can be cured with antibiotics; noninfectious diseases cannot.
• Infectious diseases can be prevented with vaccines; noninfectious diseases cannot.
• Infectious diseases can be spread from one organism to another; noninfectious diseases cannot.
• Infectious diseases cannot be transmitted from one organism to another; noninfectious diseases can.

The diagram below shows a cell in the human body engulfing a bacterial cell.

The cell labeled X is most likely a

• red blood cell

• white blood cell

• liver cell

• nerve cell

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3