Pathogens and Human Diseases review questions

Front

What is a pandemic?

Back

A pandemic is a disease that is widespread throughout a large region, continent, or the entire planet.

Front

What are airborne diseases?

Back

Airborne diseases are transmitted through small respiratory droplets when someone with a disease sneezes, coughs, laughs, or exhales.

Front

Are tapeworm and ringworm both parasitic worms that get their food from their host?

Back

False. While both are parasitic, they belong to different categories; tapeworms are flatworms, while ringworms are fungi.

Front

Give an example of protozoa.

Back

Plasmodium parasite is an example of protozoa.

Front

Can bacteria and viruses be beneficial?

Back

True. They can aid in DNA technology, produce antibiotics, and contribute to nutrient cycling.

Front

What is an endemic disease?

Back

An endemic disease is a disease or condition regularly found and consistently present in a particular geographic area.

Front

What is an epidemic?

Back

An epidemic is a sudden increase in the number of cases of a disease above what is normally expected in that population in that area.

Front

What is the role of vectors in disease transmission?

Back

Vectors are organisms, often insects, that transmit pathogens from one host to another.

Front

What is the difference between direct and indirect contact transmission?

Back

Direct contact transmission occurs through physical interaction, while indirect contact transmission involves an intermediary object or organism.

Front

What is a virus?

Back

A virus is a microscopic infectious agent that can only replicate inside the living cells of an organism.