Bacteria Part 1 ( Gram + & - Cocci )

Question 1

What are the gram positive cocci? (2)

Answer 1

Staphylococcus
Streptococci

Question 2

Describe staphylococcus ?

Answer 2

Grows in in grape like clusters

Question 3

What are the 2 pathogens that fall under staphylococcus?

Answer 3

S. Aureus
S. Epidermidis

Question 4

Describe what s. Aureus is? (4)

Answer 4

Yellow/golden growth on agar
Found in skin & nose
Grows High concentration of salt
Famous for TSS
( toxic shock syndrome )

(Staphlococcus)

Question 5

Describe what s. Epidermidis ? (3)

Answer 5

Normal skin flora
Nosocomial infections ( from hospital )
Heart value & hip replacement surgeries

(Staphylococcus)

Question 6

What is streptococci?(2)

Answer 6

Grows in chains
Characterized by patterns of hemolysis

Question 7

What are the 3 types of how streptococci grows on an Agar plate?

Answer 7

Alpha hemolysis
Beta hemolysis
Gamma hemolysis

Question 8

What is alpha hemolysis? (2)

Answer 8

Partial RBC hemolysis
Green color

(Streptococci)

Question 9

What is beta hemolysis?

Answer 9

Complete RBA hemolysis
Clear color

(Streptococci)

Question 10

What is gamma hemolysis? (2)

Answer 10

No RBC hemolysis
Not pathogenic

(Streptococci)

Question 11

What are the pathogens under alpha hemolytic for streptococci? (2)

Answer 11

S. Pneumonia
S. Mutans

Question 12

What does s. Pneumoniae do?

Answer 12

Causes pneumonia & meningitis

( streptococci )

Question 13

What does s. Mutans do?

Answer 13

Causes plaque & cavities
(Streptococci)

Question 14

What are the 2 pathogens from beta hemolytic of streptococci ?

Answer 14

S. Pyogenes
S. Agalactiae

Question 15

Describe s. Pyogenes ?(2)

Answer 15

Cause strep throat ( pharyngitis ) & skin infections

(Streptococci)

Question 16

Describe s. Agalactiae?(2)

Answer 16

Normal vaginal flora
(Can be pathogenic )
(Streptococci)

Question 17

What are the 3 gram negative cocci?

Answer 17

Neisseria
Moraxella
Thiomargarita Namibiansis

Question 18

Describe neisseria (3) ( contains what )

Answer 18

Diplococci
Found in human mucous membranes
Contains fimbraie & capsules

Question 19

What are the 2 pathogens for neisseria?

Answer 19

N. Gonorrhea
N. Meningitis

Question 20

What does n. Gonorrhea do in neisseria?

Answer 20

Gonorrhea

Question 21

What does n. Meningitides do in neisseria?

Answer 21

Cause meningitis

Question 22

What is the 2 moraxella? And what is it mainly know for?

Answer 22

Mainly know for
M. Lacunata conjunctivitis ( pink eye )

M. Caratrhails

Question 23

What does m. Catarrhalis do in moraxella ?

Answer 23

Cause ear infections

Question 24

What is thiomargarita nambiensis? (4)

Answer 24

Giant prokaryote
750 um in size
Discovered in the coast of namibia
Gets it’s energy from H2S

Question 25

What was recently found about thiomargarita ?

Answer 25

That the largest one is called thiomargarita magnifica ( 2 cm long )

Question 26

To conclude what are the 2 gram positive cocci?

Answer 26

Staphylococcus Streptococcus

Question 27

To what are the 3 gram negative cocci?

Answer 27

Neisseria Moxerlla Thiomargarita