A green colony with a black center was isolated and presumptively identified as a Salmonella spp.The organism was serotyped with polyvalent antisera;however,the antisera tested negative for all antigens.What is the next course of action?
A) Regrow the organism on sheep blood agar,and serotype again the next day.
B) Make a suspension,and heat to 100°C for 10 minutes.
C) Make a suspension,and place on ice for 30 minutes.
D) Report the organism out as a nontypable Salmonella spp.
Correct Answer:
Verified
Q2: In addition to being a group of
Q3: A gram-negative bacillus that is hydrogen sulfide
Q4: MacConkey-sorbitol agar is useful for detecting pathogenic
Q5: Which is correct for the description "alkaline
Q6: If an organism were a glucose and
Q8: Of the following bacterial species,which is associated
Q9: A green colony with a black center
Q10: Which of correct for the description "acid
Q11: On MacConkey agar,Serratia spp.would appear:
A)red.
B)colorless.
C)green.
D)yellow.
Q12: For the most part,all Enterobacteriaceae are positive
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