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Infectious Diseases

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

a. IgA

b. IgE

c. IgG

d. IgM

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

a. 1–2%

b. 5–10%

c. 20–30%

d. 60–95%

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

a. From rash appearance until lesion crusting

b. From varicella exposure until lesion appearance

c. From 1 day before rash onset until lesion crusting

d. From rash appearance until complete lesion resolution

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?

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.

a. Pneumonia

b. Meningitis

c. Liver failure

d. Renal failure

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

Used with permission from Dr. Mary Jane Pearson.

a. It is painless.

b. It is contagious if blisters are broken.

c. It is responsible for many congenital malformations.

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

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