Term
| What gram positive bacilli produce spores? |
|
Definition
|
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Term
| What are the four genera of partially acid-fast branching, filamentous, gram positive bacilli? |
|
Definition
| Nocardia, Rhodococcus, Gordona, Tsukamurella |
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Term
| Is Streptomyces acid-fast or non-acid fast? |
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Definition
|
|
Term
| What are the four species of Corynebacterium? |
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Definition
| C. diphtheriae, C. ulcerans, C. pseudotuberculosis, C. jeikeium |
|
|
Term
| The term 'diphtheroids' refers to what genera? |
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Definition
|
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Term
| What Corynebacterium species is sensitive to penicillin? |
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Definition
|
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Term
| What genus has a characteristic club-shape with palisading of organisms? |
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Definition
|
|
Term
| Are Corynebacterium motile or non-motile? |
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Definition
|
|
Term
| Do Corynebacterium sp. form spores? |
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Definition
|
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Term
| What kind of granules are present in Corynebacterium that cause them to stain unevenly? |
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Definition
|
|
Term
| What four types of media are used for Corynebacterium? |
|
Definition
| Cysteine-tellurite agar, Loefflers, Tinsdale medium, Blood agar |
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|
Term
| What three species produce the exotoxin Diphtheria toxin? |
|
Definition
| Corynebacterium diphtheriae; C. ulcerans; C. pseudotuberculosis |
|
|
Term
| Strains of what two species produce dermonecrotic toxin? |
|
Definition
| Corynebacterium ulcerans and C. pseudotuberculosis |
|
|
Term
| What toxin is a sphingomyelinase that increases vascular permeability? |
|
Definition
|
|
Term
| What is the incubation period of Corynebacterium diphtheriae? |
|
Definition
|
|
Term
| What toxin causes the pseudomembrane to form in Corynebacterium diphtheriae infections? |
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Definition
|
|
Term
| The pseudomembrane produced in diphtheria is composed of what 4 components? |
|
Definition
| fibrin, leukocytes, cellular debris, bacteria |
|
|
Term
| Cervical adenitis or 'bullneck' appearance is characteristic of what disease? |
|
Definition
|
|
Term
| What is the natural habitat of Corynebacterium diphtheriae? |
|
Definition
| normal flora of skin and oral cavity |
|
|
Term
| What 3 routes of transmission are associated with Corynebacterium diphtheriae? |
|
Definition
| droplet aerosols, direct contact, fomites |
|
|
Term
| The Schick test is used to determine immunity to what organism? |
|
Definition
| Corynebacterium diphtheriae |
|
|
Term
| What three organisms produce a brown to black halo on Tinsdale medium? |
|
Definition
| Corynebacterium diphtheriae, C. ulcerans, C. pseudotuberculosis |
|
|
Term
| What Corynebacterium species is resistant to all antibiotics except vancomycin? |
|
Definition
|
|
Term
| What is the name of the immunodiffusion test for diphtheria toxin production? |
|
Definition
|
|
Term
| What kind of testing must be done to confirm the patient has diphtheria? |
|
Definition
|
|
Term
| What Corynebacterium species is similar to C. diphtheriae but milder, with lower levels of toxin production? |
|
Definition
|
|
Term
| What species of Corynebacterium causes nosocomial infections in immunocompromised and bacteremia associated with prosthetic devices? |
|
Definition
|
|
Term
| What is the natural habitat of Corynebacterium jeikeium? |
|
Definition
| normal flora of skin and oral cavity |
|
|
Term
| Is Listeria monocytogenes motile? |
|
Definition
|
|
Term
| Is Listeria monocytogenes hemolytic? |
|
Definition
| beta-hemolytic on blood agar |
|
|
Term
| Is Listeria monocytogenes more motile at room temperature or body temperature? |
|
Definition
|
|
Term
| Describe the oxygen requirements of Listeria monocytogenes? |
|
Definition
|
|
Term
| What kind of motility does Listeria monocytogenes show in agar? |
|
Definition
|
|
Term
| What organism causes Granulomatosis infantiseptica? |
|
Definition
|
|
Term
| What organism is the most common cause of meningitis in renal transplant patients? |
|
Definition
|
|
Term
| What two groups of people are most likely to die of Listeria monocytogenes infection? |
|
Definition
| under 4 weeks old and over 50 |
|
|
Term
| What is the natural habitat of Listeria monocytogenes? |
|
Definition
| Zoonotic; soil; water; vegatation; humans- 1-5% |
|
|
Term
| What is the drug of choice for treatment of Listeria monocytogenes infection? |
|
Definition
|
|
Term
| What test can be used to differentiate between Listeria and Strep? |
|
Definition
| Catalase- Listeria is positive; Strep is negative |
|
|
Term
| Is Erysipelothrix rhusiopathiae hemolytic? |
|
Definition
|
|
Term
| What part of the body is involved in Erysipelas? |
|
Definition
|
|
Term
| What animal is the main reservoir of Erysipelothrix? |
|
Definition
|
|
Term
| Who is at risk for Erysipelothrix infection? |
|
Definition
| butchers, meat processors, farmers, poultry workers, fish handlers, veterinarians |
|
|
Term
| What aerobic condition does Erysipelothrix grow best under? |
|
Definition
|
|
Term
| Which gram positive bacilli produces H2S? |
|
Definition
|
|
Term
| Is Corynebacterium catalase positive or negative? |
|
Definition
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