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18 Cards in this Set
- Front
- Back
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What conditions lead to false treponemal tests?
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Lyme disease, yaws, pinta, leptospirosis, lupus
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What areas have no chloroquine resistant malaria (yet)?
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DR, Central America west of the Panama Canal, Haiti, Egypt, and most of the Middle East
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A 35 year old patient comes to your office in early April for a routine examination. He tells you he is going turkey hunting in November in Nantucket and is concerned about Lyme disease. What is the most appropriate intervention?
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Protective clothing and DEET
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What is the risk of infertility following a second episode of PID?
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20%
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Which immunoglobulin appears with acute disease and which persists? (IgG and IgM)
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IgM appears with acute disease and IgG persists for years.
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What is the incidence of nosocomial infections in hospitals?
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5%
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What are the most frequent adult sites for nosocomial infections?
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Urinary tracts, ventilator associated pneumonias, surgical wounds, then septiciemia
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What is the case fatality rate for meningococcemia?
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5 to 15%
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What is the risk for household contacts of meningococcemia compared with the general population?
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500 to 800 times greater (need prompt antibiotic prophy - rifamipin)
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What is the chemo prophylaxis recommendations for school contacts (children v adults) and daycare contacts (children v adults)
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close school friends - abx (rifampin or ceftriaxone)
other student and adult school contacts - observe all daycare contacts - abx (rifampin or ceftriaxone) Outbreak settings - vaccinate (takes time for effect) |
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A 25 year old male presents with a single, indurated painless penile ulcer that appeared 2 days ago. His most recent sexual contact was 21 days ago. An immediate RPR is negative. What is the most likely diagnosis?
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syphillis
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A 25 year old male presents with a single, indurated painless penile ulcer that appeared 2 days ago. His most recent sexual contact was 21 days ago. An immediate RPR is negative.
What sexual partners should be informed of their exposure and referred for evaluation? |
All within 3 months
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A 7 year old girl presents with a 3 day old rash, temp 37.2C/99F, and an intensely red slapped cheek appearance. What is the most likely etiologic agent?
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parvovirus / erythema infectiosum
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What factors affect the risk of HIV transmission following a needle stick? What is the overall risk?
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The greatest factor is depth of the injury. Other factors include presence of blood on the device, terminal illness in the source patient, and a procedure requiring direct access into a vessel. Overall risk of HIV transmission is 0.3%
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What are the 2 most common causes of bacterial meningitis, after wide spread use of the influenza vaccine?
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Neisseria meningitis and streptococcus pneumoniae
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At what CD4 levels are prophylaxis recommended?
For MAC cryptococcus mycobacterim tuberculosis toxoplasma gondi pneumocystis |
MAC < 100
cryptococcus < 50 mycobacterim tuberculosis - n/a, PPD > 5mm, contact with TB+, close quarters, old un/undertreated TB toxoplasma gondi - n/a pneumocystis < 200 |
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What complication was associated with the recall of rotavirus vaccine?
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intussusception
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Most likely agent and food source for an afebrile child with diffuse, bloody diarrhea?
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E Coli H157:H7 in beef
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