General Features of Bugs

Question 1

What are the 6 gram + shapes?

Answer 1

1. Streptococcus

2. Staphylococcus

3. Bacillus

4. Clostridium

5. Cornyebacterium

6. Listeria

Question 2

What are the Gram (+) spore forming rods ?

Answer 2

1. Bacillus

2. Clostriudium

Question 3

What are the Gram (+) non-spore forming rods?

Answer 3

1. Cornyebacterium

2. Listeria

Question 4

What are the types of streptococcus?

Answer 4

1. Streptococcus pyogenes (group A)

2. Streptococcus agalactiae (group B)

3. Group D (enterococcus and non-enterococcuses): Enterococcus Faecalis, enterococcus Faecium, streptococcus bovis

4. Streptococcus Mutans (Vridans group)

5. Streptococcus pneumoniae

Question 5

Streptococci

Gram ____; how are they organized?

Catalase ____

___-hemolytic

Answer 5

• Gram (+); organized into strips of cocci.
• Catalase (-)
• Either B-hemolytic or alpha hemolytic

Question 6

All strep are gram (+); organized into strips of cocci; catalase (-); either B-hemolytic or alpha-hemolytic.

Which of the following are A-hemolytic or B-hemolytic?

Answer 6

1. Streptococcus pyogenes (group A): B hemolytic
2. Streptococcus agalactiae (group B): B hemolytic
3. Group D (enterococcus and non-enterococcuses): A-hemolytic
4. Streptococcus Mutans (Vridans group): A-hemolytic
5. Streptococcus pneumoniae: A-hemolytic

Question 7

Staphylococcus

• Gram __; organized how?
• Catalase ___
• O2 requirements:
• Coagulase ___

Answer 7

All Staph are

• Gram (+); organized into clusters
• Catalase (+)
• Anaerobe
• All are coagulase (-), except staph aureus.

Question 8

What are the types of Staph to know about?

Answer 8

• 1. Staph. aureus: B-hemolytic
• 2. Staph. epidermidis: y-hemolysis
• 3. Staph. saprophyticus: y-hemolysis

Question 9

All staph are gram (+), catalase (+) and grouped into clusters.

Which is the only COAGULASE (+) staph?

Answer 9

Staphlococcus aureus

Question 10

Bacillus are gram (+) spore forming rods.

O2 requirements:

Types:

Answer 10

Aerobic

Types: Bacillus anthracis and bacilis cerus

Question 11

Clostridium:

Gram (+)

Spore-forming rods

O2 requirement:

Answer 11

Anaerobic: love to live in depth of wounds, where there is no O2

Question 12

What are the types of clostridium?

All are gram (+),

Answer 12

1. Clostridium botulinim
2. Clostridium tetani
3. Clostridium difficile
4. Clostridium perfringes (Prive Ringes motorcucle accident)

Question 13

What are the 2 non-spore forming rods?

Answer 13

1. Cornyebacterium diptheriae

2. Listeria monocytogenes

Question 14

Is Listeria monocytogenes A or B hemolytic?

Answer 14

B-hemolytic