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Infectious Diseases

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Which of the following is the primary immunological fetal response to infection?

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a. IgA

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b. IgE

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c. IgG

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d. IgM

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What percentage of women who have not previously had varicella will become infected after exposure?

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a. 1–2%

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b. 5–10%

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c. 20–30%

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d. 60–95%

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Which of the following clinical intervals best describes the contagious period for varicella?

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a. From rash appearance until lesion crusting

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b. From varicella exposure until lesion appearance

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c. From 1 day before rash onset until lesion crusting

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d. From rash appearance until complete lesion resolution

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A 26-year-old G1P0 at 32 weeks’ gestation is seen in your office for fever, myalgias, and a rash of 2 days’ duration. She has widely dispersed vesicular lesions that are pruritic. A picture of her face is provided here. Mortality from this infection is predominately due to which of the following?

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Reproduced with permission from Wolff K, Johnson RA (eds): Viral infections of skin and mucosa. In Fitzpatrick’s Color Atlas and Synopsis of Clinical Dermatology, 6th ed. New York, McGraw-Hill, 2009, Figure 27-38.

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a. Pneumonia

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b. Meningitis

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c. Liver failure

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d. Renal failure

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Which of the following statements regarding herpes zoster, shown here, is true?

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Used with permission from Dr. Mary Jane Pearson.

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a. It is painless.

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b. It is contagious if blisters are broken.

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c. It is responsible for many congenital malformations.

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d. It is more frequent and more severe in pregnant women.

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