Skip directly to local search Skip directly to A to Z list Skip directly to navigation Skip directly to site content Skip directly to page options
CDC Home

Volume 18, Number 10—October 2012

CME ACTIVITY

Methicillin-Resistant Staphylococcus aureus Sequence Type 239-III, Ohio, USA, 2007–20091

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 (with a minimum 70% passing score) and earn continuing medical education (CME) credit, please go to www.medscape.org/journal/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.org. If you are not registered on Medscape.org, 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 may be acceptable as evidence of participation in CME activities. If you are not licensed in the US, please complete the questions online, print the certificate and present it to your national medical association for review.

Article Title: Methicillin-Resistant Staphylococcus aureus Sequence Type 239-III, Ohio, USA, 2007–2009

CME Questions

1. You are seeing a 65-year-old woman admitted with newly-diagnosed methicillin-resistant Staphylococcus aureus (MRSA) bacteremia. Which of the following strains of MRSA are most common in the United States?

A. USA 100 and MRSA ST239-III

B. USA 300 and MRSA ST239-III

C. USA 100 and USA 300

D. USA 600 and MRSA ST239-III

2. As you evaluate this patient, what should you consider regarding clinical characteristics of MRSA ST239-III in the current study?

A. Most cases of MRSA ST239-III were diagnosed in community hospitals

B. Ninety-five percent of cases of MRSA ST239-III were health care associated

C. There were no cases of MRSA ST239-III associated with implanted medical devices

D. Nearly all cases of MRSA ST239-III were bloodstream infections

3. Which of the following statements regarding the treatment and prognosis of MRSA ST239-III in the current study is most accurate?

A. There was broad susceptibility to nearly all antimicrobials tested

B. Rates of resistance to vancomycin and linezolid were approximately 90%

C. Rates of treatment failure of MRSA ST239-III were significantly higher compared with those associated with USA 100 and USA 300

D. Over 20% of cases of infection with MRSA ST239-III were fatal

4. Which of the following statements regarding molecular typing of MRSA ST239-III infections in the current study is most accurate?

A. There was a single repetitive element PCR (rep-PCR) pattern

B. There were 9 different pulsed-field gel electrophoresis (PFGE) patterns

C. Traditional PFGE testing could identify all of the bacteria subtypes

D. The cluster groupings from PFGE, rep-PCR, and dru methods were essentially identical

Activity Evaluation

1. The activity supported the learning objectives.

Strongly Disagree

Strongly Agree

1

2

3

4

5

2. The material was organized clearly for learning to occur.

Strongly Disagree

Strongly Agree

1

2

3

4

5

3. The content learned from this activity will impact my practice.

Strongly Disagree

Strongly Agree

1

2

3

4

5

4. The activity was presented objectively and free of commercial bias.

Strongly Disagree

Strongly Agree

1

2

3

4

5

Article Navigation

Comments to the EID Editors

Please contact the EID Editors via our Contact Form.

 

Past Issues

Select a Past Issue:

Art in Science - Selections from Emerging Infectious Diseases
Now available for order



CDC 24/7 – Saving Lives, Protecting People, Saving Money. Learn More About How CDC Works For You…

USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO