Terms in this set (78)
Methicillin Resistant Staph aureus
Community Acquired MRSA
Intermediate Resistant Staph. aureus
How is strep classified?
In the Alpha strep family, what species names?
What strep shows up as green on a blood agar
What Strep causes dental caries and cavities?
Dextran + salivary proteins creates what?
Plaque on teeth
What is another name for Beta Strep Group A?
Why are there some many infections caused by Strep pyogenes?
location of Strep
different types of toxins
state of immune system
production of pus
Why are staph and strep referred to as pyogenic?
Because they excessive amount of pus
What species causes the most Staph infections?
What effect does toxins from Staph and Strep cause to the skin?
SSS (Scalded Skin Syndrome)
Skin lesions filled with pus that contains WBC's and bacteria. Become dark and encrusted; crust is contagious
What are 2 different genus names for Impetigo?
Staphylococcus and Streptococcus
What is the species name for Staphylococcal PNEUMONIA?
How is Staph Septicemia acquired?
Primary- staph injected directly in wound
Secondary- Staph leaks from another infection (tooth abscess)
How serious is Staph Septicemia?
Can cause death in a few days
What are the symptoms of Staphylococcus food poisoning?
Profuse diarrhea and projectile vomiting
What is the species that causes Staph. food poisoning?
What ways may food become contaminated with staph?
sneezing upon foods
not properly cooking food
not properly refrigerating food
food exposed to room temperature for too long
Infections acquired by patients or healthcare workers while they are in a healthcare setting.
Name 4 ways a person my acquire a nosocomial infection
hands of medical staff
UTI's caused by enteric bacilli
employees who come to work sick
Where is MRSA found?
How is MRSA transmitted?
hands of personnel
Meaning of VRE
Vancomycin Resistant Enterococci
Where is VRE found?
How is VRE transmitted?
hands of personnel contaminated with feces, urine, or blood of person carrying disease
What is the meaning of VRSA?
Vancomycin resistant staphylococcus aureus
Why are there VRSA infections?
Because the bacteria have become resistant to vancomycin
"Type lesion" of staphylococcal infections
What bacteria cause TSS?
What is the mortality rate of TSS?
Why do TSS occur?
Females live a tampon in for a prolonged period of time
"Type lesion" of streptococcal infections
Which strep group is the most virulent, and is capable of infecting a healthy person and causing his/her death?
Beta Strep Group A
Transmission for strep infections
Alpha strep is associated with...
Species name for Beta Strep Group A
Most virulent strand of strep
Beta strep group A
What toxin do Strep pyogenes produce?
strep throat w/red rash
erythrogenic toxins are produced and recipient is not immune to toxin, scarlet fever results.
S. pyogenes do not produce erythrogenic toxins or recipient is immune to toxins; only sore throat is present
Allergic response to Strep that causes damage to the heart valves, heart muscles, kidney damage, joints, and blood vessels of the brain.
What diseases do Beta Strep Group B cause?
Beta Strep Group B causes a 100% mortality rate in what group of people?
infants less than 2 months month
What is the most commonly-encountered species in Beta Strep Group D?
Beta Strep Group D causes what diseases?
What is another name for Beta Strep Group D?
Beta Strep not Group A
What is the seriousness of Gamma strep infections?
rare cause of endocarditis
Can peptostreptococcus be pathogenic?
yes a common pathogen
What are some other names for Streptococcus pneumonia?
Penicillin Resistant Pneumonia
Where is this species of streptococcus pneumonia found?
Strep pneumonia causes what infection in children?
strep pneumonia causes what infection in the elderly?
What is the transmission method of this species from person to person?
Enterococcus causes what 2 common infections?
fever, malaise, headache, sore throat
untreated pharyngitis, inflammation of heart valves, heart muscles, joints, and blood vessels and kidneys
strawberry red tongue
red rash that spreadsStrep pyogenes
sore throat, malaise, headache
blisters on face, arms back
direct contact with wound
Seriousness of Erysipelas
can spread through blood
cellulitis on the heart
Child bed fever is also known as
Where is Child bed fever transmitted from?
nose throat of infected, or infected hands
What causes puerperal sepsis?
Pus filled lesions
Pyoderma transmitted by
direct contact with infected person or fomite
inflammation spreads from initial infection site, chills, fever, malaise, nausea, vomiting and diarrhea
hypertension, low urine output, blood flow to kidneys blocked
destroy tissue, muscles and fat tissue
4 ways to prevent strep infections
don't touch face with hands
apply antibiotic/antiseptic on wound/abrasion
plaque on teeth
genus and species name that causes dental caries
How is the enamel broken down?
Dextran combines with salivary proteins to make plaque. Plaque is a haven for bacteria which eventually causes the break down of the enamel.
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