Lab Stuff

Question 1

1. ) Blood Agar Plate: Helps determines? 3 types?
2. ) Mac Agar: What can grow? What Can’t? How is it also differential?
3. ) Hek Agar: Similar to? How? More selective for? What grows?
4. ) PIA: Grows what?

Answer 1

• Hemolysis; Beta = complete clearing; alpha is partial and gamma is none
• Selects for gram negative rods, primarily enteric ones; gram positive; ferment makes pink; non fermenters = white
• Mac; selects for gram negative rods; knocks out some of the enterics and leaves Salmonella and shigella
• Pseudonomas stuff