A microbiologist must culture a patient's feces for intestinal pathogens.Which of the following components would likely be present in a selective medium for this purpose?

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Bile salts are commonly used in selective media for culturing intestinal pathogens as they inhibit the growth of many non-pathogenic organisms, while allowing for the growth of pathogens such as Salmonella and Shigella. Thioglycolic acid is commonly used in anaerobic media, sheep red blood cells are used in hemolytic assays, peptone is a source of nitrogen, and NaCl is commonly used to adjust osmolarity in media.

A Microbiologist Must Culture a Patient's Feces for Intestinal Pathogens