Bacteria and Humans

1.  What is pathology?
pathology is study of disease
2.  What is an extoxin and what type of bacteria makes the toxin?  Provide an example of a disease caused by this?
Extoxins are toxic substances that bacteria secrete into their environment, extoxin are secrete by living bacteria.
3.  What is an endotoxin and what type of bacteria make the toxin?  Provide an example of a disease caused by this?  endotoxin are toxic substance that bacteria secrete when they die.

4. What is antibiotic resistance and how does it happen?
Its when a bacteria is are exposed to an antibiotic and they don't die from it and they gain resistance against antibiotics.
5.  Think about how bacteria have affected human history.  Choose two specific examples of bacterial diseases that have had a historical impact.  Write about each disease and provide a description of the disease including signs/symptoms, how it spreads, how common it is today compared to historically, and how it is prevented and treated.  Be sure you choose images that are relevant, appropriate, and tasteful.

Diphtheria is one historically significant out of many. The symptoms of diphtheria usually begin two to seven days after infection. Symptoms of diphtheria  are usually fever 100.4° and higher, chills, fatigue, bluish skin coloration, sore throat, hoarseness, cough, headache, difficulty swallowing, difficulty breathing, rapid breathing, bloodstained nasal discharge. Diphtheria is a contagious disease spread by direct physical contact or breathing.