MICROBIOLOGY LAB FINAL EXAM
REVIEW QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS
ALREADY PASSED!!!
Alpha Hemolytic -ANSWER✔✔Partial or incomplete
Beta Hemolytic -ANSWER✔✔Complete or total
Gamma Hemolytic -ANSWER✔✔No hemolysis
Hemolysis are for -ANSWER✔✔streptococcus
Catalase test positive -ANSWER✔✔Yes bubbles
Catalase test negative -ANSWER✔✔No bubbles
hemolyis: beta
catalase reaction: negative
gram positive cocci in: chains
TAXO-A : susceptible
PYR: positive -ANSWER✔✔Group A strep ( strep pyogenes )
group A strep is most involved with -ANSWER✔✔skin infections
, Hemolysis: Alpha
catalase reaction: negative
gram positive cocci in: diplococci with lancet ends
bile esculin: negative
Optochin disk or TAXO-P : susceptible /positive
Bile solubility: Positive -ANSWER✔✔streptococci pneumoniae
hemolysis : beta
catalase reaction : negative
gram positive cocci in : chains
CAMP test : positive
Hippurate hydrolysis: positive -ANSWER✔✔Group B strep ( strep agalactiae)
strep pneumoniae -ANSWER✔✔normal flora of the upper respiratory tract, can
cause pnuemonia
hemolysis: alpha
catalase reaction: negative
gram positive cocci : chains
TAXO-P : resistant/ negative
bile solubility: negative
PYR: negative -ANSWER✔✔streptococcus viridians
hemolysis : alpha or gamma
catalase reaction : negative
REVIEW QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS
ALREADY PASSED!!!
Alpha Hemolytic -ANSWER✔✔Partial or incomplete
Beta Hemolytic -ANSWER✔✔Complete or total
Gamma Hemolytic -ANSWER✔✔No hemolysis
Hemolysis are for -ANSWER✔✔streptococcus
Catalase test positive -ANSWER✔✔Yes bubbles
Catalase test negative -ANSWER✔✔No bubbles
hemolyis: beta
catalase reaction: negative
gram positive cocci in: chains
TAXO-A : susceptible
PYR: positive -ANSWER✔✔Group A strep ( strep pyogenes )
group A strep is most involved with -ANSWER✔✔skin infections
, Hemolysis: Alpha
catalase reaction: negative
gram positive cocci in: diplococci with lancet ends
bile esculin: negative
Optochin disk or TAXO-P : susceptible /positive
Bile solubility: Positive -ANSWER✔✔streptococci pneumoniae
hemolysis : beta
catalase reaction : negative
gram positive cocci in : chains
CAMP test : positive
Hippurate hydrolysis: positive -ANSWER✔✔Group B strep ( strep agalactiae)
strep pneumoniae -ANSWER✔✔normal flora of the upper respiratory tract, can
cause pnuemonia
hemolysis: alpha
catalase reaction: negative
gram positive cocci : chains
TAXO-P : resistant/ negative
bile solubility: negative
PYR: negative -ANSWER✔✔streptococcus viridians
hemolysis : alpha or gamma
catalase reaction : negative