Infectious Disease

Diseases cannot be treated.

• true

• false

Handwashing can help prevent the spread of disease.

• true

• false

Only bacteria and viruses cause disease.

• true

• false

All diseases can be spread from one person to another.

• true

• false

changes in how a person feels because of an illness

Diseases that are caused by hereditary or environmental factors are called _.

• infectious diseases

• noninfectious diseases

Tags

NGSS.MS-LS1-5

_ are environmental factors that cause mutations, or changes, in DNA.

Tags

NGSS.MS-LS3-1

Sometimes, the changes cause a cell to reproduce uncontrollably. This results in a disease called _.

Tags

NGSS.MS-LS1-5

A disease that is caused by a pathogen is called an _.

• noninfectious disease

• infectious disease

_ are tiny particles that have their own genetic material but depend on living things to reproduce.