23

Question 1

Medium: ?
Substance for diff: Intact RBCS
Differentiates between:

Answer 1

Blood agar plates BAP
Type of hemolysis

Question 2

Medium:
Substance: Mannitol, phenol red, 7.5% NaCl
Differentiates between:

Answer 2

Mannitol Salt Agar (MSA)
Species of Staphylococcus

Question 3

Medium:
Substance for differentiation: Bromothymol blue, salicin, lactose, sodium thiosulfate, ferric ammonium citrate, bile
Differentiates between:

Answer 3

Hektoen Enteric Agar
Salmonella, shigella, other LFs & NLFs

Question 4

Medium:
Substance for differentiation:
Differentiates between: fat#utilizing bacteria from those that do not

Answer 4

Sheep blood agar. (SBA)
Spirit blue dye, oil

Question 5

Medium:
Substance for diff: urea, phenol red
Differentiates between:

Answer 5

Urea broth
urea-hydrolyzing bacteria

Question 6

Medium: Sulfide Indole Motility
Substance for diff:
Differentiates between:

Answer 6

Thiosulfate, Fe
H2s gas production

Question 7

Medium: Triple Sugar Iron
Substance for diff:
Differentiates bet:

Answer 7

Triple sugars, Fe, phenol red dye
Sugar fermentation and & h2s production

Question 8

Medium:
Substance for differentiation: xylose, lysine, lactose. Sucrose. Phenol red, sodium deoxycholate
Differentiates between:
- allows differentiation of xylose fermentation, lysine decarboxylation & H2s production

Answer 8

XLD agar
- Xylose Lysine Deoxycholate agar