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Volume 15, Number 12—December 2009

CME ACTIVITY

Community-associated Methicillin-Resistant Staphylococcus aureus in Outpatients, United States, 1999–2006

Earning CME Credit

To obtain credit, you should first read the journal article. After reading the article, you should be able to answer the following, related, multiple-choice questions. To complete the questions and earn continuing medical education (CME) credit, please go to http://www.medscape.com/cme/eid. Credit cannot be obtained for tests completed on paper, although you may use the worksheet below to keep a record of your answers. You must be a registered user on Medscape.com. If you are not registered on Medscape.com, please click on the New Users: Free Registration link on the left hand side of the website to register. Only one answer is correct for each question. Once you successfully answer all post-test questions you will be able to view and/or print your certificate. For questions regarding the content of this activity, contact the accredited provider, CME@medscape.net. For technical assistance, contact CME@webmd.net. American Medical Association’s Physician’s Recognition Award (AMA PRA) credits are accepted in the US as evidence of participation in CME activities. For further information on this award, please refer to http://www.ama-assn.org/ama/pub/category/2922.html. The AMA has determined that physicians not licensed in the US who participate in this CME activity are eligible for AMA PRA Category 1 Credits™. Through agreements that the AMA has made with agencies in some countries, AMA PRA credit is acceptable as evidence of participation in CME activities. If you are not licensed in the US and want to obtain an AMA PRA CME credit, please complete the questions online, print the certificate and present it to your national medical association.

Article Title: Community-associated Methicillin-Resistant Staphylococcus aureus in Outpatients, United States, 1999–2006

CME Questions

  • Which of the following characteristics helps to differentiate community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) from hospital-associated (HA)–MRSA?

    • A. Resistance to fluoroquinolones

    • B. Resistance to a higher number of antibiotics

    • C. Resistance to vancomycin

    • D. Resistance to beta-lactam and erythromycin only

  • Which of the following trends were noted in the epidemiology of outpatient MRSA in the current study?

    • A. The presence of MRSA was stable over the study period

    • B. The number of MRSA isolates resistant to at least 1 other drug increased significantly

    • C. S aureus infections that were MRSA nearly doubled

    • D. HA-MRSA accounted for the majority of change in the prevalence of MRSA among outpatients

  • The number of S aureus isolates resistant only to oxacillin increased most significantly from which anatomic site?

    • A. Lung

    • B. Blood

    • C. Skin and soft tissue

    • D. Genitourinary tract

  • Which of the following statements about the epidemiology of MRSA among inpatients is most accurate?

    • A. The proportion of S aureus infections that were MRSA increased by 25%

    • B. The prevalence of S aureus isolates resistant only to oxacillin decreased

    • C. The prevalence of HA-MRSA isolates fell sharply as CA-MRSA increased

    • D. There was a significant increase in lung infections with multiple-drug resistant MRSA

Activity Evaluation
1. The activity supported the learning objectives.
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1 2 3 4 5
2. The material was organized clearly for learning to occur.
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3. The content learned from this activity will impact my practice.
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4. The activity was presented objectively and free of commercial bias.
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