Download Common Infectious Disease Review

Common Infectious Disease Review
Name: Natalie Fury and Mary Thompson
1. Please indicate the four types of common infectious disease or pathogens that
enter the body.
Answer: bacteria, viruses, protozoans , and fungi
2. What is a virus? And how do they differ from other pathogens?
Answer: the smallest pathogens. They are smaller than most and reproduce
after entering a living cell.
3. How do Tcells and Bcells of your immune system respond to pathogens?
Answer:
Killer Tcells- destroy infected body cells
Helper Tcells- produce chemicals to stimulate other T and B
Cells to fight infection
Suppressor T cells- produce chemicals that turn off other
system cells when an infection has been brought under control.
Bcells- produce antibodies
4. Name the four most common bacterial infections in the United States?
Answer: strep throat, lyme disease, bacterial meningitis, tuberculosis
5. What are some common healthful behaviors that can help you avoid infectious
diseases?
Answer: storing and preparing foods properly, wash hands, not sharing eating
utensils.
6. An epidemic is an?
Answer: An unusually high occurrence of a disease in a certain place during a
certain time period.
7. List the four common viral diseases and ways you can treat them?
Answer:
The Common Cold- no cure
Influenza- immunizations, antiviral medications
Pneumonia- hospitalization
Hepatitis- immunizations, hospitalization
8. Please explain why a protozoan differs from bacteria.
Protozoan are much larger and more complex than bacteria.
9. What is the body’s process for fighting an infection either internally or
externally?
Blood vessels enlarge and blood, other fluids, and white blood cells engulf
and destroy pathogens.
10. Describe the different ways a pathogen can enter the body? (where and how)
Infected people- from inhaling pathogens, sexual contact
Infected animals- animal bites in skin
Contaminated Objects- through doorknobs, eating utensils, or needles
Contaminated Food, Soil, or Water- naturally present pathogens can be eaten
or drank.