Gram Positive Cocci: Staph strep

Question 1

Staph sp. that is Sympathetic UTI and Novobiocin resistant

Answer 1

S. Saprophyticus

Question 2

Test that differentiates staph from strep

Answer 2

Catalase

Question 3

Sign of Positive result for catalase test

Answer 3

Effervescence or bubbles

Question 4

Test that differentiates staph aureus from other staph sp.

Answer 4

Coagulase

Question 5

Sign of positive result for coagulase

Answer 5

Clot formation

Question 6

It is sensitive to bacitracin

Answer 6

S. Pyogenes

Question 7

Common cause of bacterial endocarditis

Answer 7

S. Sanguis

Question 8

Sp that is Lysed by 6.5% NaCl

Answer 8

Non enteroccocal group D strep:

S. Equinus and s. Bovis

Question 9

Anti phagocytic part of s. Aureus that binds to Fc part of IgG

Answer 9

Protein A

Question 10

Most virulent factor of s. Pyogenes

Answer 10

M protein

Question 11

Responsible for boils in s. Aureus infection

Answer 11

Lipase

Question 12

Labile titer

Answer 12

Strepstolysin O

Question 13

Responsible for scarlet fever in s. Pyogenes

Answer 13

Exotoxin A

Question 14

Fever with strawberry tongue is called

Answer 14

Scarlet fever

Question 15

Acute glomerulonephritis is a post strep disease with symptoms such as:

Answer 15

CHEAPBUN
Elevated creatinine
Hypertension
Edema
Azotemia
Proteinuria
Elevated BUN

Question 16

Strep sp that is (+) cAMP, large, mucoid, (+) Na hippurate hydrolysis

Answer 16

Group B S. Agalactiae

Question 17

Strep group that is the common cause of neonatal septicemia and meningitis

Answer 17

Strep group B

Remember : “B for Baby”

Question 18

Among the group C strep which is not beta-hemolytic?

Answer 18

S. Dysgalactiae- non B hemolytic

Both are B hemolytic
S. Equisimilis
S. Zooepidemicus

Question 19

It has a choline binding protein A

Answer 19

Strep pneumoniae

Question 20

What is the best test for s. Pneumoniae

Answer 20

Quellung test

Question 21

Positive result for quellung

Answer 21

Halo, cellular swelling

Question 22

Strep that is Lancet shaped, alpha hemolysis, rusty sputum

Answer 22

S. Pneumoniae

Question 23

Strep group that is (+) PYR, (+) esculin hydrolysis

Answer 23

Group D

Question 24

Responsible for tooth decay and dental plaque

Answer 24

S. Salivaris

Question 25

Test that differentiates viridans and s. Pneumoniae

Answer 25

Optochin

Question 26

Can cause of colon ca

Answer 26

Non enteroccocal s. Bovis

Question 27

Used to treat MRSA

Answer 27

Vancomycin

Question 28

Ferments mannitol

Answer 28

S. Aureus

Question 29

What strains of cocci cause impetigo

Answer 29

Staph aureus and strep pyogenes

Question 30

__ is the major virulence factor of s. pyogenes characterized as hair-like projections of the streptococcal cell wall

Answer 30

M protein