The enterotoxin produced by certain strains of hemolytic, coagulase positive Staphylococcus aureus:
causes one type of bacterial food poisoning
Group B, beta-hemolytic streptococci may be distinguished from other hemolytic streptococci by which procedure?
latex antigen typing
Which of the 2 different antimicrobial agents are commonly used and may results in synergistic action in the treatment of endocarditis caused by Enterococcus faecalis?
a penicillin derivative and an aminoglycoside
An outbreak of Staphylococcus aureus has occurred in a hospital nursery. In order to establish the epidemiological source of the outbreak, the MOST commonly used typing method is:
pulsed-field ges electrophoresis
A beta-hemolytic Streptococcus that is bacitracin-resistant and CAMP-positive is"
group B
Streptococcus pneumonia can be differentiated best from the viridans group of streptococci by:
bile solubility
A urine Gram stain shows gram-positive cocci in clusters. The organisms tested catalase positive. To SPECIATE this organism form culture, the tech should perform a coagulase test and a/an:
novobiocin susceptibility
A reliable test for distinguishing Staphylococcus aureus from other staphylococcus is:
coagulase
Which 2 diseases are usually preceded by infection with beta-hemolytic streptococci?