Rubella and Rubeola Infections Flashcards
All the following groups of individuals should receive
rubella vaccinations except:
a. School-age children
b. Women of childbearing age
c. Pregnant women
d. Health care personnel
c. Pregnant women
The greatest risk of the manifestation of anomalies in
maternal rubella is _________________ of gestation.
a. During the first month
b. During the first trimester
c. During the third month
d. During the fourth or fifth month
b. During the first trimeste
In a patient with primary rubella infection, the appear-
ance of _______ antibodies is associated with the clinical
signs and symptoms, when present.
a. IgG
b. IgM
c. IgD
d. Both a and b
b. IgM
Testing for _______ antibody is invaluable for the
diagnosis of congenital rubella syndrome.
a. IgM
b. IgG
c. IgD
d. IgE
a. IgM
Before the licensing of rubella vaccine in the United
States in 1969, epidemics occurred at _______year
intervals.
a. 2- to 3-
b. 5- to 7-
c. 6- to 9-
d. 10- to 20-
c. 6- to 9-
Acute rubella infection lasts from _______ days.
a. 1 to 2
b. 2 to 4
c. 3 to 5
d. 7 to 10
c. 3 to 5
IgM antibodies to rubella virus reach peak levels at
_______ days.
a. 2 to 4
b. 3 to 5
c. 5 to 7
d. 7 to 10
c. 5 to 7
IgG antibodies to rubella virus increase rapidly for
_______ days after the acquisition of infection.
a. 2 to 8
b. 3 to 10
c. 5 to 15
d. 7 to 21
d. 7 to 21
Which percentage of serologically confirmed cases of
maternal infection occur before 11 weeks of gestation?
a. 11%
b. 24%
c. 33%
d. 90%
d. 90%
German measles and measles are caused by the same
virus.
a. True
b. False
b. False
Laboratory confirmation of rubeola antibody is done by:
a. Detection of IgM antibodies in serum
b. Detection of measles virus RNA by nucleic acid
amplification in a clinical specimen
c. Isolation of rubella virus
d. Either a or b
d. Either a or b
