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Infectious Diseases
Oral Path. Chapter 4
17
Pathology
Undergraduate 3
02/13/2013

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Term
what are the three types on infections?
Definition
Bacterial
Fungal
Viral
Term
what type of infection is a one-celled organism with a cell wall and DNA but no Nucleus or chromosomes?
Definition
Bacterial Infections
Term
Can bacterial infections live outside the cell? Why?
Definition
Yes, because they have an independent metabolism.
Term
what do bacterial infections secrete? they cause?
Definition
toxins that cause tissue damage.
Term
what medication is Bacterial infections sensitive to?
Definition
Antibiotics
Term
how are bacterial infections classified?
Definition
By the shape and color they stain
Term
What is a Virulent variety (type) of streptococci?
Definition
Group A Streptococci
Term
what do the enzymes released in Group A Streptococci do?
Definition
they eat through tissue
Term
what are the three diseases caused by Group A Streptococci?
Definition
-Scarlet Fever
-Strep throat (Acute Pharyngitis)
-Impetigo
Term
what are 2 Immunologic sequelae possibilities? (can enhance into)
Definition
-Rheumatic fever
-Poststreptococcal glomerulonephritis
Term
What is Impetigo?
Definition
A pyogentic (Pus forming) skin infection
Term
what causes Impetigo?
Definition
Staphylococcus aureus and streptococcus pyogenes (normal inhabits of the skin)
Term
How does the bacteria enter the skin to cause impetigo?
Definition
enter through abrasions
Term
what types of symptoms are seen with impetigo?
Definition
vesicles that rupture and leave crusts
Term
What is Impetigo treated?
Definition
topical or systemic antibiotics
Term
is strep throat virulent or bacterial?
Definition
can be either?
Term
Streptococcal pyogenes a common cause of ?
Definition
pharyngitis
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