Bacteria

Question 1

Listeria Monocytogenes

Answer 1

Gram Positive
Aerobic
Bacilli

Question 2

Bacillus spp.

Answer 2

Gram +
Aerobic
Bacilli

Question 3

Corynebacterium spp.

Answer 3

Gram +
Aerobic
Bacilli

Question 4

Nocardia Spp.

Answer 4

Gram +
Aerobic
Bacilli

Question 5

What are the 4 gram (+), aerobic, bacilli?

Answer 5

Listeria monocytogenes
Nocardia Spp
Corynebacterium spp.
Bacillus Spp.

Question 6

Staph. Aureus

Answer 6

Gram (+)
Aerobic
Cocci (clusters)
ONLY STAPH THAT IS COAGULASE POSITIVE

Question 7

Staph Spp.

• S. Epidermidis
• S. Saprophyticus
• S. Lugdunensis

Answer 7

Gram (+)
Aerobic
Cocci (clusters)
Coagulase (-)

Question 8

How would you differentiate between staph Spp. and Staph. aureus?

Answer 8

Coagulase test

S. Aureus is coagulase (+)

Question 9

What is the difference in shape/arrangement between staph spp. and strep spp.?

Answer 9

Staph is a gram (+) aerobic Cocci that CLUSTERS

while Strep is a gram (+) aerobic cocci that is arranged in PAIRS AND CHAINS

Question 10

Streptococcus pneumoniae

Answer 10

Gram (+)
Aerobic
Cocci (usually PAIRS)

Question 11

Streptococcus

• a-hemolytic strep.
• B-hemolytic strep.

and
Enterococcus faecalis, Enterococcus faecium

Answer 11

Gram(+)
Aerobic
Cocci (CHAINS)

Question 12

Clostridium spp.

• C. Difficile
• C. Perfingens
• C. Tetani

Answer 12

Gram (+)
Anaerobic
Bacilli

Question 13

Peptostreptococcus spp.

Answer 13

Gram (+)
Anaerobic
Cocci

Question 14

What are examples of a-hemolytic strep?

Answer 14

Viridans group;

S. Pneumonia

Question 15

What are examples of B-hemolytic strep?

Answer 15

S. Pyogenes

S. agalactiae