MLT microbiology final exam
Sterlization technique - correct answer -pressurized heat at 121 degrees Celsius. 15 lbs of psi. verified by
a suspension of spores then inoculate a plate.
What is the number one gram positive wound infection? - correct answer -Staph aureus
What are the two methods of the coagulase test? - correct answer -Slide, which is free and tube, which is bound.
Staphylococcus aureus - correct answer -a form of staphylococci that commonly infects wounds and causes serious problems. Gram positive in clusters.
Streptococcus pneumoniae - correct answer -Alpha-hemolytic, catalse negative, bile solubility positive.
Streptococcus pyogenes - correct answer -scarlet fever, strep throat and can lead to kidney damage.
Streptococcus agalactiae - correct answer -Describe the organism based on the following information: • Beta-Hemolytic Streptococcus; PYR negative, hydrolyzes hippurate
the PYR test uses what reagent to produce a bright red color indicating a positive result - correct answer -cinnamaldehyde
Hippurate hydrolysis reagent - correct answer -Ninhydrin
How can you tell the difference between strep bovis and enterococcus? - correct answer -Enterococcus is positive salt tolerance and Bovis is negative salt tolerance.
Pathogens in body fluids like blood and CSF - correct answer -Strep pneumo
N. meningitisis
Sterlization technique - correct answer -pressurized heat at 121 degrees Celsius. 15 lbs of psi. verified by
a suspension of spores then inoculate a plate.
What is the number one gram positive wound infection? - correct answer -Staph aureus
What are the two methods of the coagulase test? - correct answer -Slide, which is free and tube, which is bound.
Staphylococcus aureus - correct answer -a form of staphylococci that commonly infects wounds and causes serious problems. Gram positive in clusters.
Streptococcus pneumoniae - correct answer -Alpha-hemolytic, catalse negative, bile solubility positive.
Streptococcus pyogenes - correct answer -scarlet fever, strep throat and can lead to kidney damage.
Streptococcus agalactiae - correct answer -Describe the organism based on the following information: • Beta-Hemolytic Streptococcus; PYR negative, hydrolyzes hippurate
the PYR test uses what reagent to produce a bright red color indicating a positive result - correct answer -cinnamaldehyde
Hippurate hydrolysis reagent - correct answer -Ninhydrin
How can you tell the difference between strep bovis and enterococcus? - correct answer -Enterococcus is positive salt tolerance and Bovis is negative salt tolerance.
Pathogens in body fluids like blood and CSF - correct answer -Strep pneumo
N. meningitisis
