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W09 Micro
Quiz 2
27
Other
Professional
01/14/2009

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Term
folliculitis = pus pimple, faruncle = multiple hair follicles involved, carbuncle = deeper/more extensive, bullous impetigo = highly contagious
Definition
___ is a pus pimple. ___ is a staph pyodermal infection where multiple hair follicles are involved. ___ is a deeper and more extensive infection. ___ ___ is highly contagious.
Term
False!! Staph food poisoning is an INTOXICATION, not an infection!
Definition
T/F: Staph food poisoning is an infection where enterotoxin is produced in unrefrigerated foods and the toxins are ingested.
Term
skin infection = MRSA
Definition
MRSA is usually a ___ infection.
Term
MRSA!! Yikes!
Definition
Patients often recall a spider bite, but it ends up being ____.
Term
Incise and drain, followed by antibiotics
Definition
What is the first thing you do to treat MRSA?
Term
Bacillus!
Definition
___ are large, g(+) facultative rods that form spores. They are motile, catalase (+), most are saprophytic and found in soil.
Term
Bacillus anthracis
Definition
____ ____ has a prominent capsule with polysaccharide cell antigens. It has an exotoxin carried on its plasmid.
Term
95% of cases = cutaneous (inoculation of spores in skin), 20% mortality rate; 5% of cases = inhaled, 95% mortality
Definition
95% of anthrax cases are ____ with a 20% mortality rate. The remaining 5% of cases are ____ and 95% mortality rate.
Term
inhaled anthrax = woolsorters' disease
Definition
Woolsorters' disease is caused by ___ anthrax. It mimics a viral respiratory illness and woolsorters do in fact know about the risk of being woolsorters =D.
Term
gastrointestinal
Definition
___ anthrax is rarely seen in humans, but is caused by ingestion of spores. People may get from consumption of raw mean or dairy products from infected animals.
Term
oropharnygeal anthrax
Definition
Oral ulcerations which progress to necrosis, swell and compromise the airway are characteristics of ___ anthrax.
Term
False! It is toxigenic, but NONencapsulated
Definition
T/F: AVA (anthrax vaccine) is a filtrate of B. anthracis which is a toxigenic and encapsulated strain.
Term
Clostridium
Definition
___ is an anaerobic g(+) bacillus capable of forming endospores. It is found in soil and most commonly is associated with skin and soft tissue infections, food poisoning and antibiotic-associated diarrhea and colitis.
Term
Clostridium perfringens
Definition
Clostridium ___ is the most commonly isolated species that rarely produces spores. It grows rapidly and produces 4 major lethal toxins.
Term
Clostridium perfringens inhabits GI tract, causes gas gangrene
Definition
Clostridium perfringens commonly inhabits the ___ tract, causes ___ ___, soft tissue infections, necrotizing enteritis and food poisoning.
Term
gas gangrene
Definition
___ ___ is a life-threatening disease that follows the introduction of Clostridium into tissues. Death may occur within 2 days of onset.
Term
cellulitis/soft tissue infections
Definition
___ occurs in absence of muscle necrosis. It can spread through fascial planes causing suppuration and formation of gas.
Term
staph aureus / scalded skin syndrome
Definition
Exfoliative toxin is produced by ___ ___ and is asociated with the development of ___ ___ ___.
Term
staph aureus
Definition
___ ___ can cause pimples, carbuncles, faruncles, food poisoning syndrome and impetigo.
Term
nasopharynx
Definition
Staph carriers primarily harbor organisms in/on the ____.
Term
c) skin lesion is called an eschar
Definition
Which of the following is true of cutaneous anthrax? a) mortality rate = 50% b) easily transmitted person-to-person c) skin lesion is called an eschar d) B/C only e) A/B/C
Term
anthrax toxin components
Definition
Anthrax vaccine contains ___ ___ ___.
Term
toxic shock syndrome
Definition
___ ___ ___ is due to infection with staph aureus which carries a lysogenic prophage.
Term
bacillus anthracis
Definition
___ ___ is normally found in soil as a saprophyte.
Term
inhalation
Definition
Woolsorters' disease is the common name given to ___ anthrax.
Term
Inhalation
Definition
____ anthrax initially mimics a viral respiratory/flu-like illness.
Term
e) A/B only
Definition
Bacillus and clostridium share which of the following characteristics: a) g(+) b) form endospores c) anaerobic d) A/B/C e) A/B only
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