5 Questions
Which of the following is true about Escherichia coli?
It is Gram negative and non-sporing.
What characteristic do Pseudomonads lack?
They ferment sugars.
How many biotypes does Vibrio cholerae have?
Two
Which statement about Klebsiella is incorrect?
It swarms on agar plates.
What is true about Strep. Viridans?
They are non-bile soluble.
Study Notes
Bacterial Characteristics
- Vibrio cholerae: Has two biotypes, but not (H) and (F) antigens.
Bacteriods
- Gram negative, non-sporing, and catalase positive, but not motile.
Pseudomonads
- Can adapt to live in various environments, but do not ferment sugars.
Brucella
- There are not five types of Brucella.
Escherichia coli
- Gram negative, motile, and non-sporing, and some strains can form capsules.
Strep. Viridans
- Lancet-shaped, non-capsulated, sensitive to optochin, and bile soluble.
E. coli on MacConky Agar
- Forms colonies with a red-pinkish color, but not due to formic.
Klebsiella Colonies
- Mucoid colonies, but not due to swarming.
Antibiotics
- Penicillins and cephalosporins do not have a six-membered dihydrothiazin ring.
Test your knowledge of bacteriology with these true or false questions. Topics include Vibrio cholerae, Bacteroides, Pseudomonads, Brucella, Escherichia coli, and Strep. Viridans.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
