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8 Cards in this Set
- Front
- Back
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What are 2 gram-positive non-spore forming aerobic rods?
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Corynebacterium diphtheriae
Listeria monocytogenes |
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What tests do you order to test for corynebac diphtheriae?
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Potassium tellurite agar
Loeffler's coag blood serum |
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Upper lobe nodules that form air-fluid levels are characteristic of what organism?
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Rhodococcus equini (formerly Corynebacterium equini)
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What is the main virulence factor of Listeria monocytogenes?
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listeriolysin O, inhibits phagocytosis
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Why are pregnant women told to avoid soft cheese and cold cuts?
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Listeria (gram positive facultative anaerobic non-spore rod)
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Most common cause of meningitis in patients with lymphoma or corticosteroids or recent transplant?
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Listeria
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What Rx do you add if an LP confirms a bacterial meningitis?
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Low glucose, high protein levels
add: ampicillin, trimethoprim-sulfamethoxazole to cover Listeria |
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What organ systems are preferentially targeted by Corynebacterium diphtheriae?
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Cardiac and neural tissue (B subunit of exotoxin)
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