Microbiology

Question 1

What does ‘strep’ mean in the classification of organisms?

Answer 1

Chains

Question 2

What does ‘staph’ mean in the classification of organisms?

Answer 2

Clusters

Question 3

Name 2 gram positive alpha haemolytic cocci chain organisms?

Answer 3

Strep. pneumoniae

Strep. viridans

Question 4

Name 2 gram positive beta haemolytic cocci chain organisms?

Answer 4

Group A strep.

Group B strep.

Question 5

Name the main gram positive
non-haemolytic cocci chain organism?

Answer 5

Enterococcus sp.

Question 6

Name the main gram positive coagulase positive cocci cluster organism?

Answer 6

Staph. Aureus

Question 7

Name the gram positive coagulase negative cocci cluster organism?

Answer 7

Staph. Epidermis

Question 8

What organism is commonly associated with artificial heart valves and artificial joints?

Answer 8

Staphylococcus epidermis

Question 9

What is alpha haemolysis?

What colour is it associated with?

Answer 9

Partial haemolysis

Green

Question 10

What is beta haemolysis?

What colour is it associated with?

Answer 10

Complete haemolysis

Yellow / gold

Question 11

What is gamma haemolysis?

What colour is it associated with?

Answer 11

No haemolysis

None / clear