Staph & Strep.txt
Card Set Information
Staph & Strep.txt
Microbiology Staph Strep
Microbiology Test 3 Questions
Characteristics of staph
Easily survives heat, drying and many chemicals
Survive several months in dried pus and sputnum
More antibiotic resistance developing
What is any staph infection called?
Product of staph that destroys blood cells and tissue
Main cause of death from staph infection
Due to blood cell destruction
Proteins that disrupt the cell membranes of tissues and WBCs
Proteins that stimulate intestinal muscle contraction, yielding nausea with intense vomiting.
Toxin proteins easily absorbed into the blood stream
TSS- toxic shock syndrome toxin
Proteins that dissolves epidermal desmosomes causing skin cells to slough
Reddening of the skin, beginning near the mouth, spreading over the entire body followed by blisters filled with clear fluid
SSS- scalded skin syndrome
List 5 staph skin infections
Staph traveling through the body will affect other what?
Organs and tissues (can shut down the kidneys)
What causes impetigo contagiosa?
Staph, strep or both
Charact of impetigo contagiosa:
Skin lesions are pus filled with bacteria and WBCs in them
Lesions will become dark and encrusted
May leave scarring
Treated with topical antibiotics
Toxins traveling through the blood or tissue yielding infections in other area
Name 5 systemic infections
Endocarditis, menengitis, encephalitis, cystitis and nephritis.
Staph bacteria and toxins in the blood stream
Two ways septicemia may be acquired
1) primary- staph is directly injected into the blood
2) secondary- staph leaks into the blood from another infection (tooth)
Two forms of staph septicemia:
Rapid progression- profound toxemia with death within a few days
Slow progression- most frequent. Spreads slowly throughout the body
What is staphylococcal food poising caused by?
(also called enteritis and enterocolitis)
Symptoms appear within 2-4 hours and may last up to 48 with profuse diarrhea and vomiting
Staphylococcal food poisoning is caused by what?
Staphylococcal food poisoning transmissions include:
Sneezing upon food
Foods at room temp too long
Caused by strep, staph and diphtheria.
TSS - toxic shock syndrome
TSS disease course
Incubates in 12-24 hrs
Sudden onset high fever, vomiting and diarrhea
BP begins to drop
SSS may occur
A collection of symptoms
Name 7 forms of resistant staph aureus
ca-mrsa- community aquired
visa- vancomycin intermediate
What is varicella?
MRSA + chicken pox
Strep throat with a red rash is called?
What age does scarlet fever mostly effect?
12 & under
What group is scarlet fever in?
Group A strep
Strep throat transmissions:
Nose and throat secretions from carrier
Pus from contaminated lesion