A nurse is teaching a client who is 26 weeks pregnant and will be receiving an injection of Rh(D) immunoglobulin.Which of the following should be included in the teaching?
It prevents the formation of Rh antibodies.
It prevents the formation of Rh antibodies in newborns who are Rh positive.
It destroys Rh antibodies in mothers who are Rh negative.
It destroys Rh antibodies in newborns who are Rh positive.
The Correct Answer is A
Choice A rationale
Rh(D) immunoglobulin prevents the formation of Rh antibodies in Rh-negative mothers. This is crucial to prevent Rh sensitization, which can lead to hemolytic disease of the newborn in current and future pregnancies.
Choice B rationale
Rh(D) immunoglobulin does not prevent the formation of Rh antibodies in newborns who are Rh positive. Instead, it works by preventing the mother's immune system from recognizing Rh-positive fetal cells.
Choice C rationale
Rh(D) immunoglobulin does not destroy Rh antibodies in Rh-negative mothers. Its purpose is to prevent the formation of these antibodies in the first place.
Choice D rationale
Rh(D) immunoglobulin does not destroy Rh antibodies in newborns who are Rh positive. The newborn's immune system is not targeted by this immunoglobulin.
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Related Questions
Correct Answer is A
Explanation
Choice A rationale
Smoking and heavy alcohol intake can indeed affect the quantity of sperm. Both substances can reduce sperm count and motility, leading to lower fertility rates in men.
Choice B rationale
This statement is incorrect. Both smoking and heavy alcohol use negatively impact fertility by reducing sperm quality and quantity.
Choice C rationale
Waiting for a semen analysis without addressing the known effects of smoking and alcohol is not the best approach. Immediate lifestyle changes can improve fertility outcomes.
Choice D rationale
Any amount of smoking can affect sperm quality and fertility. It's not limited to smoking more than one pack a day. Reducing or eliminating smoking can improve fertility.
Correct Answer is C
Explanation
Choice A rationale
A rubella titer of 1: indicates the presence of antibodies against the rubella virus, but this does not confirm the absence of a current infection. The titer represents past exposure or vaccination rather than an active infection.
Choice B rationale
A rubella titer of 1: suggests immunity to the rubella virus, making vaccination unnecessary at this time. Vaccination is typically recommended for those without immunity to prevent future infection.
Choice C rationale
A titer of 1: indicates the presence of antibodies sufficient to confer immunity to the rubella virus. This level is generally considered protective, implying the client has either had the infection before or has been vaccinated.
Choice D rationale
A mild rubella infection would not typically be determined solely by the titer level. Clinical symptoms and further diagnostic tests are required to diagnose an active rubella infection accurately.
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