This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
CLED medium is preferred over MacConkey for culture of organisms implicated in urine infection. The reason is: 
Select and explain. 
A. It prevents swarming of Proteus, B. Differentiate LF and NLF, C. Promote growth of Staphylococcus, Streptococcus and Candida, D. Identifies Pseudomonas
C: Promote growth of Staphylococcus, Streptococcus and Candida
Answer: C: Promote growth of Staphylococcus, Streptococcus and Candida 
Explanation: Ans. C. Promote growth of Staphylococcus, Streptococcus and CandidaCLED Agar: Cysteine Lactose Electrolyte deficient agar. It is similar to MacConkey agar for differentiation of LF and NLF which can be used as a good alternate to combination of blood agar and MacConkey ager for processing of urine specimens with certain advantages over MacConkey agar (supports growth of Gram positive cocci (except B hemolytics Streptococci) and Candida over blood agar (prevents swarming of Proteus).