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Old 06-28-2011
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Virus 3 HIV cases

The response options for the items in this set are the same. Select one answer for each item in the set.

For each patient with HIV, select the most appropriate prophylactic agent to prevent opportunistic infection.

Item 1 of 3

A 28-year-old man presents to the physician for his regular health maintenance examination. He has a 2-year history of HIV and has been taking highly active antiretroviral therapy (HAART). At present, he has no complaints. He is severely allergic to sulfa compounds. Laboratory investigation reveals a CD4+ count of 180 μL.

Answer Choices
A. Acyclovir
B. Amphotericin B
C. Azithromycin
D. Clarithromycin and ethambutol
E. Dapsone
F. Fluconazole
G. Granulocyte colony-stimulating factor
H. Isoniazid
I. Pyrimethamine and sulfadiazine
J. Trimethoprim-sulfamethoxazole



Item 2 of 3

A 33-year-old man with a 9-month history of HIV presents for his regular health maintenance examination. He recently stopped taking highly active antiretroviral therapy (HAART) because of unwanted side effects. His last CD4+ count taken 2 months ago was 340 μL. Today, the CD4+ count is 78 μL.

Answer Choices
A. Acyclovir
B. Amphotericin B
C. Azithromycin
D. Clarithromycin and ethambutol
E. Dapsone
F. Fluconazole
G. Granulocyte colony-stimulating factor
H. Isoniazid
I. Pyrimethamine and sulfadiazine
J. Trimethoprim-sulfamethoxazole


Item 3 of 3

A 29-year-old woman who contracted HIV following a needle stick 15 months ago, presents to her primary care physician for her regular health maintenance examination. She has taken highly active antiretroviral therapy (HAART) and all prophylactic drugs appropriate for her previous CD4+ counts. Her lowest CD4+ count was previously 68 μL. Today, her CD4+ count is 32 μL.

End of set

Answer Choices
A. Acyclovir
B. Amphotericin B
C. Azithromycin
D. Clarithromycin and ethambutol
E. Dapsone
F. Fluconazole
G. Granulocyte colony-stimulating factor
H. Isoniazid
I. Pyrimethamine and sulfadiazine
J. Trimethoprim-sulfamethoxazole
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  #2  
Old 06-28-2011
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1. It is E. Dapsone, because is allergic to sulfa derivatives.

2. It is J. TMP-SMX . Azithromycin or Chlarithromycin are indicated in CD4 less than 50

3. It is Azithromycin, because the patient has all the other prophylactic drugs ( TMP-SMX probably) and her CD4 is less than 50

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Infectious-Diseases, Internal-Medicine-, Step-2-Questions

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