biochemical

Question 1

reagent used in catalase

Answer 1

3% H2O2

(+) Staph and Micrococcus

Question 3

reagent used in superoxol

Answer 3

30% H2O2

(+) Neisseria

Question 5

reagent used in modified oxidase

Answer 5

6% Tetramethyl Paraphenylene Diamine Dihydrochloride

(+) Micrococcus = dark blue color

Question 6

reagent used in coagulase

Answer 6

EDTA rabbit plasma

Question 7

confirmatory of coagulase test

Answer 7

tube test (free coagulants)

Question 8

spp. with reverse camp

Answer 8

C. perfringens

Question 9

reagent used in oxidase

Answer 9

1% TMPPDD

(+) Neisseria

Question 10

(+) in butyrate disk

Answer 10

Moraxella

Question 11

(-) in butyrate disk

Answer 11

Neisseria

Question 12

(+) acetamide

Answer 12

P. aeruginosa

Question 13

(+) acetate

Answer 13

E. coli

Question 14

what do we look for in indole test?

Answer 14

tryptophan

Question 15

reciprocal of VP test

Answer 15

MR test

Question 16

what is the product in VP test?

Answer 16

neutral products

Question 17

reagent used in VP test

Answer 17

alpha-naphthol and KOH

Question 18

appearance of E. coli in MUG test

Answer 18

electric blue appearance

Question 20

antibiotic that inhibits protein synthesis

Answer 20

aminoglycoside

Question 21

antibiotic that inhibits cell wall synthesis

Answer 21

penicillin and vancomycin

Question 22

antibiotic that inhibits cell membrane

Answer 22

amphotericin and nystatin

Question 23

antibiotic that inhibits DNA synthesis

Answer 23

• Quinolones
• Rifampin
• Sulfonamides

Question 24

antigenic property of cell wall

Answer 24

O Ag (somatic + heat stable)

Question 25

antigenic property with flagella

Answer 25

H Ag (heat labile)