Which medium can be described as containing bile salts and dyes (e.g., bromothymol blue and acid fuchsin) to slow selectively the growth of most nonpathogenic gram-negative bacilli found in the gastrointestinal tract and allow Salmonella spp. and Shigella spp. to grow?
a. Thayer-Martin agar
b. MacConkey agar
c. Phenylethyl alcohol (PEA)
d. Hektoen enteric agar
D
Hektoen enteric agar contains bile salts, bromothymol blue, and acid fuchsin to inhibit the growth of nonpathogenic, gram-negative bacilli and allows Salmonella spp. and Shigella spp. to grow.
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