Quiz 11

Question 1

Which staph colonies are beta hemolytic?

Answer 1

Aureus

Question 2

Which staph is negative for mannitol fermentation?

Answer 2

Epidermidis

Question 3

Staph colonies appear white gamma (y) hemolytic

Answer 3

Epidermidis

Question 4

Staph colonies appear white or yellow gamma hemolytic

Answer 4

Saphrophyticus

Question 5

Staph resistant to novobicin

Answer 5

Saphrophyticus

Question 6

Staph that is positive for coagulase

Answer 6

Aureus

Question 7

Entero positive for lactose

Answer 7

Eschericia

Question 8

Entero positive (blue) for citrate

Answer 8

Salmonella

Question 9

Entero positive for SIM H2S

Answer 9

Salmonella

Question 10

Entero positive (pink) for SIM indole

Answer 10

Escherichia

Question 11

Entero negative for motility SIM (growth only along stab line)

Answer 11

Shigella

Question 12

If colony is ____ grey clumps will appear when slide is agglutinated

Answer 12

S. aureus

Question 13

Direct agglutination Salmonella/Shigella ID is used to detect

Answer 13

O and H antigens of enteric bacilli

Question 14

carbohydrates in bacteria cell wall

Answer 14

O antigen

Question 15

flagellar protein

Answer 15

H antigen

Question 16

Rapid Group A Strep Test is designed to identify which bacterium

Answer 16

Strep. pyogenes

Question 17

Staph is gram ___

Answer 17

positive

Question 18

Entero. is gram ___

Answer 18

negative