Which biochemical spot test differentiates Enterococcus sp. from Viridans Streptopcoccus?

What bacterial concentration level is required to achieve a 0.5 McFarland turbidity standard?

An aspirate of a deep wound was plated on blood agar and incubated aerobically and anaerobically. At 24 hours there was growth on both plates. This indicates that the organism is a(n):

A 4 year old is admitted with symptoms of meningitis and a gram stain of CSF reveals, small gram negative coccobacilli. After 24 hours, small, moist, gray/tan colonies are found on the chocolate agar only. Which of the following biochemical data would be consistent with this isolate?

The procedure that assures the most accurate detection of mecA-mediated oxacillin resistance in routine broth microdilution susceptibility testing against S. aureus is:

Which two diseases are usually preceded by infection with a beta-hemolytic streptococci?

Which of the following anaerobes is inhibited by sodium polyanethol sulfonate (SPS)?

What does synergy mean?

The following gram stain is made off of a small, white, gramma-hemolytic colony growing on the BAP. How would you document this gram stain?   image002638f805d.jpg

What organism is said to look like “breadcrumbs” on the BAP and is partial acid fast positive?