Microbiology lab

Question 1

Staphlococcus auereus (gram;catalase;coagulase;oxidase, hemolysis;bilse esculin; a disc; p disc)

Answer 1

+; +; +; N/A; B-hemolysis; N/A; N/A; N/A

Question 2

Staphlococcus epidermidis (gram;catalase;coagulase;oxidase, hemolysis;bilse esculin; a disc; p disc)

Answer 2

+; +; - ; N/A ; gamma-hemolysis; - ; N/A; N/A

Question 3

Streptococcus pyogenes (gram;catalase;coagulase;oxidase, hemolysis;bilse esculin; a disc; p disc)

Answer 3

+; -; N/A; N/A; B-hemolysis; N/A; sensitive to a-disc; N/A

Question 4

Non-group A beta-hemolytic streptococci (gram;catalase;coagulase;oxidase, hemolysis;bilse esculin; a disc; p disc)

Answer 4

+; -; N/A; N/A; B-hemolysis; N/A; resistant to a-dic; N/A

Question 5

Streptococcus pneumoniae (gram;catalase;coagulase;oxidase, hemolysis;bilse esculin; a disc; p disc)

Answer 5

+; -; N/A; N/A; alpha-hemolysis; N/A; N/A; sensitive

Question 6

Streptococcus viridans (gram;catalase;coagulase;oxidase, hemolysis;bilse esculin; a disc; p disc)

Answer 6

+; -; N/A; N/A; alpha hemolysis; N/A; N/A; resistant

Question 7

Enterococcus faecalis (gram;catalase;coagulase;oxidase, hemolysis;bilse esculin; a disc; p disc)

Answer 7

+; catalase has intermediate bubbling; N/A; N/A; may appear alpha hemolysis but is gamma; +; N/A; N/A

Question 8

Moxarella catarrhalis (gram;catalase;coagulase;oxidase, hemolysis;bilse esculin; a disc; p disc)

Answer 8

gram intermediate (mostly negative but may see some positive; +; N/A; +; gamma hemolysis; N/A; N/A; N/A

Question 9

Gamma hemolysis bacteria

Answer 9

Enterococcus faecalis, Maxarella catarrhalis; staphylococcus epidermis

Question 10

Alpha hemolysis bacteria

Answer 10

streptococcus pneumoniae, streptococcus viridans

Question 11

Selective tests

Answer 11

Bile esculin test, (also differential)