Bacillus

Question 1

Whitish gray
Beta hemolytic
Irregular edges

Answer 1

Bacillus

Question 2

Bacillus catalase test

Answer 2

(+)

Question 3

One of most highly pathogenic microorganisms
Causes anthrax

Answer 3

B. anthracis

Question 4

Anthrax is contracted from?

Answer 4

Contracted from contaminated hides, wool, meat

Question 5

Large with square ends. May be in chains. Oval, central to subterminal spores that aren’t swollen.

Answer 5

B. anthracis

Question 6

Looks like bamboo. Spores may not be seen in direct smear.

Answer 6

B. anthracis

Question 7

Large, adherent, nonhemolytic, flat to slightly convex, irregular border, ground-glass appearance, comma-shaped projections.

Answer 7

B. anthracis

Question 8

Stands up like beaten egg white when touched with loop.

Answer 8

B. anthracis

Question 9

B. anthracis:
Hemolysis / catalase

Answer 9

Non hemolytic / (+)

Question 10

B. anthracis motility

Answer 10

Non motile

Question 11

B. anthracis capsule is seen in?

Answer 11

CSF and blood smear

Question 12

Often environmental contaminant

Answer 12

B. cereus

Question 13

Can cause local & systemic infections, food poisoning

Answer 13

B. cereus

Question 14

Potential bioterrorism organism. Handle in BSC. Submit to public health lab for confirmation.

Answer 14

B. anthracis

Question 15

B. cereus:
Hemolysis / catalase

Answer 15

Beta / (+)

Question 16

B. cereus motility

Answer 16

Motile

Question 17

2nd most important pathogen in genus.

Answer 17

B. cereus

Question 18

Sporeforming gram (+) rod

Answer 18

Bacillus spp