front 1 Columbia CNA with 5% sheep blood | back 1 is a differential, undefined, selective media that allows growth of gram positive organisms and stops or inhibits growth of most gram negative organisms |
front 2 Which 3 bacteria does the Columbia CNA help grow? | back 2 staphylococci, streptococci, enteroccocci |
front 3 What 6 carbon energy sources are in the Columbia CNA? | back 3 1. casein
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front 4 In Columbia CNA, sheep blood provides the _________ and yeast extract provides the ________ | back 4 X factor
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front 5 What attacks gram negative bacteria in the Columbia CNA and how? | back 5 antibiotics colistin and nalidixic acid (CNA) interfere with DNA replication and affect membrane integrity |
front 6 Which three bacteria are CNA antibiotics effective against? | back 6 1. Klebsiella
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front 7 How does sheep's blood help with the differentiation of gram positive organisms? | back 7 based on hemolytic reaction |