The gram-negative bacillus that can be described as oxidase-negative, nitrate-positive, indole-negative, citrate-positive, methyl red-positive, urease-negative, H₂S-positive is
A) Klebsiella pneumoniae.
B) Proteus vulgaris.
C) Salmonella enteritidis.
D) Escherichia coli.
E) Shigella sonnei.
Correct Answer:
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Q1: The gram-negative bacillus that can be described
Q2: Enterotoxigenic and enteroinvasive are terms often linked
Q3: The serotype O157:H7 of which of the
Q4: MacConkey-sorbitol agar is useful for detecting pathogenic
Q6: Acid slant, acid butt, no H₂S
A)Salmonella species
B)Escherichia
Q7: Which of the following bacteria are etiologic
Q8: Most strains of Escherichia coli can be
Q9: The major etiologic agent of urinary tract
Q10: The swarming gram-negative bacillus that can be
Q11: Alkaline slant, acid butt, no H₂S
A)Salmonella species
B)Escherichia
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