PSC 3.1.1

True of False: All microbes cause disease.

• True

• False

This non-living infectious agent, which causes the flu, cannot replicate on its own & infects healthy cells as hosts.

• Prions

• Viruses

• Bacteria

• Fungi

• Helminths

This living infectious agent, also known as worms, is acquired through consumption of contaminated food or water and often causes rapid weight loss.

• Prions

• Viruses

• Bacteria

• Fungi

• Helminths

This non-living infectious protein causes normal brain proteins to fold abnormally, leading to neurological symptoms (confusion, hallucinations).

• Prions

• Viruses

• Bacteria

• Fungi

• Helminths

This living, animal-like infectious agent thrives in the digestive tract of a host, depriving the host of nutrients from food and can sometimes be treated with antiprotozoal medication.

• Prions

• Viruses

• Bacteria

• Fungi

• Protists

Tags

NGSS.MS-LS2-3

This common living infectious agent, which cause tuberculosis (TB), can be acquired in a variety of ways and can be treated with antibiotics.

• Prions

• Viruses

• Bacteria

• Fungi

• Protists

This living, multicellular infectious agent, which causes athlete's foot, includes mildews, molds, and mushrooms.

• Prions

• Viruses

• Bacteria

• Fungi

• Protists

An infected individual pays at the grocery store with infected cash, spreading the pathogen to the cashier. This form of disease transmission is an example of:

• Direct Contact

• Indirect Contact

• Droplet Transmission

• Vector Transmission

West Nile Virus is spread through in intermediate insect that carries the pathogen: mosquitos. This form of disease transmission is an example of:

• Direct Contact

• Indirect Contact

• Droplet Transmission

• Vector Transmission

The infectious dose of Ebola is 1-10 viruses, whereas Influenza A requires more than 790 viruses to infect a new host. Which of these viruses are considered more infectious?

• Ebola

• Influenza A