micro lab april 11

blood agar contains __% sheeps blood

• 2

• 3

• 5

• 7

sore throat tends to be caused by Streptococcus

• pyoverdin

• pyogenes

• pharyngis

• peroris

Some bacteria produce exoenzymes that lyse red blood cells and degrade hemoglobin, these are called

• staphylolysin

• hemolysins

• peptidolysin

• murilysin

hemolysis that partially breaks down the red blood cells and leaves a greenish color is referred to as

• alpha hemolysis

• beta hemolysis

• delta hemolysis

• gamma hemolysis

to ensure that the bacteria used in the disc diffusion test is standardized we use _______ Standards

• Dyer

• Kirby

• McFarland

• Mueller

Mueller-Hinton plates are poured to a depth of __ mm

• 2

• 4

• 5

• 6

in the SA select plate Staph aureus would be

• Blue

• white

• orange

• yellow