microbiology

Question 1

what causes bacteriaemia

Answer 1

staph aureus

Question 2

what causes IV line infection

Answer 2

staph epidermis

Question 3

what are the gorups of haemolysis

Answer 3

alpha and beta

Question 4

what is group a of haemolysis

Answer 4

strep pneumonia and strep viridans

Question 5

what is group b of haemolysis

Answer 5

group a = throat, skin and strep pyogens

group b = neonatal meningitis

Question 6

anaerobic bacilli postivei

Answer 6

c diff

part of normal bowel flora, produces spores, produces exotoxin that causes severe tissue damage

Question 7

anaerobic bacilli negative

Answer 7

bacteriodes spp
only pathogenic when found outside of the gut
treat with metronidazole

Question 8

antibiotics that act on the cell wall

Answer 8

penicillin
cephalosprins (ceftiaxone)
glycopeptides (vancomycin)

Question 9

antibiotics which inhibit protein synthesisa

Answer 9

macrolides, tetracyclines(doxycycline), aminoglycosides (gentamicin) - causes renal and VIII nerve damage

Question 10

antibiotics that act on bacterial DNA

Answer 10

metronidazole, trimethroprim, fluroquinoles (ciprofloaxin and levofloaxin)

Question 11

antibiotics that cause c diff

Answer 11

cephalosposin, clindamycin, coamoxicalv and ciprofloaxin