Infectious Agents Review

Front

What is the main difference between viruses and bacteria?

Back

Viruses are not alive and bacteria are.

Front

What causes noninfectious diseases?

Back

Noninfectious diseases can be caused by environmental factors.

Front

What causes infectious diseases?

Back

Infectious diseases are caused by pathogens.

Front

What is a pathogen?

Back

Any agent that causes disease.

Front

What practice helps prevent the spread of germs?

Back

Washing your hands often.

Front

Are all bacteria harmful to humans?

Back

No, not all bacteria are harmful; some are beneficial.

Front

What are the main types of infectious agents?

Back

Bacteria, viruses, fungi, and parasites.

Front

Can viruses reproduce on their own?

Back

No, viruses need a host cell to reproduce.

Front

What is an example of a noninfectious disease?

Back

Diabetes or asthma.

Front

How do vaccines work?

Back

Vaccines stimulate the immune system to recognize and fight specific pathogens.