Staph

Question 1

subsets of staph

Answer 1

epidermis, saprophytic, aures

Question 2

s. epidermis

Answer 2

normally on skin, issue when there is a foreign body.

spread: exopolysaccharide slime layer

Question 3

s. saprophyticus

Answer 3

normally in the GI, often cause of UTI

Question 4

S. Aures (general)

Answer 4

most pathogenic staph. usually stopped by normal pyogenic immune response. nosocomial> community

Question 5

S. Aures encounter/clinical presentation

Answer 5

furuncle, carbuncle, impetigo, cellulitis. Toxigenic: scalded skin, TSS, food poisoning

Question 6

S aures entry

Answer 6

external nares, often on hospital workers, IV injection users

Question 7

S aures multiplication

Answer 7

extracellular

Question 8

S aures spread

Answer 8

staphlokinase, lipase, DNAse

Question 9

S aures virulence factors

Answer 9

surface: fimbrae/pili. secreted: coagulase. Both: protein A, catalase, pore forming toxin

Question 10

S aures diagnosis

Answer 10

ID staph first, then color: golden brown (vs white), Coagulase positive

Question 11

S aures treatment

Answer 11

drain, antibiotic (b lactase resistant beta lactam). MRSA> vancomycinc

Question 12

general staph

Answer 12

gram + cocci in CLUSTERS. no vaccines.

Question 13

protein A

Answer 13

in S. Aures, binds immunoglobulin FC, blocks complement

Question 14

how does s. epidermis stick to stuff?

Answer 14

exopolysaccharide slime layer

Question 15

treat epidermis with

Answer 15

vancomycin