Agents of Disease

Single-celled organisms that do not rely on a host are known as..

• bacteria

• viurs

• fungi

• host

A medicine that limits the growth of or destroys microorganisms is known as a(n)...

• antibiotic

• antihistamine

• antiseptic

• antifungal

What is a pathogen?

• A pathogen is a microorganism that can cause disease

• A pathogen is a non-living substance

• A pathogen is a type of plant

• A pathogen is a beneficial organism

Read the information in the table and choose the correct pathogen

• Bacteria

• Virus

• Prion

• Protist

Organize these options into the right categories

Groups:

(a) Prions

,

(b) Bacteria

,

(c) Virus

,

(d) Protists

• Misfolded proteins

• Mostly caused by eating infected meat

• Giardia lamblia is an example.

• Antiprotozoal medication can treat some infections.

• Method of infection depends on the type

• Single-celled, eukaryotic, animal-like organisms

• Non-living microscopic agents

• There is no cure

• Influenza is an example

• Treated with antibiotics

• Infection usually occurs through ingestion of contaminated food or water

• Cannot replicate on their own, must infect a host

• Single-celled organisms, prokaryotic organisms

• Tuberculosis is caused by them

• Anti-virals may be used; otherwise, just treat the symptoms

• Creutzfeldt-Jakob disease and Mad Cow disease are examples

In disease, a factor, such as a microorganism or a chemical substance, that can impact the development of  a disease or illness. 

• Symptoms

• Diagnosis

• Agent

• Congestion

Select all that apply:

They can be passed from person to person.

• Virus

• Bacteria

• Fungi

Select all that apply:

They need a host to multiply.

• Virus

• Bacteria

• Fungi

Select all that apply:

They can mutate, making them difficult to prevent or treat.

• Virus

• Bacteria

• Fungi

Select all that apply:

There are good and bad versions.

• Virus

• Bacteria

• Fungi