microbio ch. 23 - wound infections

What are the different types of wounds and what are the characteristics of each type?

Be able to list and describe the major steps in wound repair.

Be able to define and use the key terms listed at the beginning of Chapter 23.

Be able to list and describe the major steps in abscess formation

Why are abscesses difficult to treat?

Describe the reasons for these difficulties.

What must be done to effectively treat an abscess?

List the common bacterial causes for wound infections.

Describe the signs and symptoms for a wound infection caused by a Staphylococcus. 

What species of Staphylococcus are most often associated with wound infections?

What organism causes necrotizing fasciitis? 

What are the characteristics of necrotizing fasciitis? 

What virulence factors are associated with necrotizing fasciitis?

What are the characteristics on wound infections caused by Pseudomonas aeruginosa? 

What virulence factors contribute to disease? 

Be able to describe the roles of flagella, pili, exotoxin A, exoenzyme S, pyocyanin and pyoverdin.

Be able to describe the signs and symptoms of tetanus.

What is the etiological agent for tetanus?

Describe the pathogenesis of tetanus. 

What virulence factor is responsible for the signs and symptoms associated with tetanus? 

How does this virulence factor function?

How can tetanus be prevented/treated?

Be able to describe the signs and symptoms of clostridial myonecrosis.

What species of Clostridium is most associated with this condition?

What virulence factors contribute to disease?

What conditions need to be present for this disease to occur?

Be able to describe the signs, symptoms and pathogenesis for wound infections caused by Pasturella multocida.

What is the most common source for this organism?

Be able to describe the signs, symptoms and pathogenesis for sporotrichosis.

What is the etiological agent for this disease?

What is the common name for this disease?