media and bacteria

Question 1

bacillus spores

Answer 1

PCA spread plates 3d 30C

Question 2

clostridia spores

Answer 2

sulphite polymyxine agar pour plates w. an overlay 20h at 37C

Question 3

E. coli O157:H7

Answer 3

CT-SMAC 35-37C/27 h

Question 4

campylobacter spp.

Answer 4

mCCDA 37 C/48h grey colonies

Question 5

bacillus cereus

Answer 5

MYP spread plates
rough colonies with pink background

Question 6

Clostridium perfringens

Answer 6

TSC agar pour plates with overlayer 20+/-2h / 37C

Question 7

Lactic acid bacteria

Answer 7

man rogosa sharp (MRS) manganese 3d 30C

Question 8

proteolytic bacteria

Answer 8

sterile skimmed milk and an elective compound 4d at 25C

Question 9

lipolytic bacteria

Answer 9

tributyrine agar 3d 30C for yeast 4d at 25C

Question 10

gram negative

Answer 10

yeast glucose chloramphenicol (YGC) spread plates 5d 25C

Question 11

salmonella spp.

Answer 11

selenite F agar
turbid growth

Question 12

listeria monocytogenes

Answer 12

ALOA 30 C/ 24+/-3h
green/blue + halo

Question 13

Staphylococcus aureus

Answer 13

baired parker 37C/48h grey-black opaque zone

Question 14

enterobacteriaceae

Answer 14

violet red bile glucose pour plates (VRBG) 24h/37C pink colonies

Question 15

coliform

Answer 15

violet red bile lactose pour plates (VRBL) 24h 30 C

Question 16

e. coli

Answer 16

membrane filter w. mineral-modified glutamate agar (MMGA) 4h/37C resuspention
TBX agar 18-24h/44C
blue color

Question 17

coagulase postive staphylococci

Answer 17

baird parker spread plates 48+/-2h at 37C

Question 18

yeast and moulds

Answer 18

yeast glucose chloramphenicol (YGC) spread plates 5d 25C