The nurse is caring for a client who has been prescribed a blood transfusion for anemia.
Which situation represents an appropriate blood type match for this client?
Donor blood type A positive transfused to a recipient with blood type O negative.
Donor blood type B negative transfused to a recipient with blood type AB positive.
Donor blood type AB negative transfused to a recipient with blood type A positive.
Donor blood type O positive transfused to a recipient with blood type B negative.
The Correct Answer is B
Safe blood transfusion practices rely on understanding ABO and Rh factor compatibility. Knowledge of antigens and antibodies must be applied to prevent life-threatening hemolytic transfusion reactions, ensuring the recipient's immune system does not attack the donor's red blood cells.
Choice A rationale
Type O negative is the universal donor but can only receive O negative blood. Type A positive blood contains A antigens, which would trigger a hemolytic reaction in an O negative recipient who possesses anti-A antibodies.
Choice B rationale
AB positive is the universal recipient because it lacks anti-A and anti-B antibodies and has the Rh antigen. Therefore, B negative blood can be safely transfused as there are no antibodies to attack the donor cells.
Choice C rationale
An A positive recipient has anti-B antibodies. AB negative blood contains B antigens on the cell surface. Transfusing AB negative blood would cause the recipient's antibodies to attack the donor's B antigens, causing hemolysis.
Choice D rationale
An Rh-negative recipient, such as someone with B negative blood, will develop antibodies if exposed to Rh-positive blood. O positive blood contains the Rh antigen, making it incompatible for an Rh-negative individual due to sensitization..
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
This postpartum scenario requires knowledge of physiological adaptations after childbirth. The nurse must understand how the body eliminates excess extracellular fluid through diuresis and diaphoresis to explain these normal findings and provide appropriate reassurance to the recovering client.
Choice A rationale
This response incorrectly labels normal physiological changes as complications. Referring to a provider for a prescription is unnecessary because diuresis and diaphoresis are expected processes for fluid volume normalization in the early postpartum period.
Choice B rationale
Extending hospital stays or implying serious illness for normal fluid loss causes unnecessary anxiety. While intake and output monitoring is standard, these symptoms do not indicate a pathological state requiring prolonged hospitalization or medical intervention.
Choice C rationale
Postpartum diuresis and diaphoresis occur as estrogen levels drop and blood volume returns to pre-pregnancy levels. This helps the body eliminate the extra 2 to 3 liters of extracellular fluid accumulated during a normal pregnancy.
Choice D rationale
While venous pressure changes after delivery, it does not directly cause the nocturnal sweating and frequent urination. These symptoms are primarily driven by hormonal shifts and the renal clearance of excess plasma volume gained during gestation.
Correct Answer is D
Explanation
The nurse must apply knowledge of labor stages and parity. Recognizing that a multiparous client in the transition phase of labor often progresses rapidly to delivery is essential for prioritizing preparation for the second stage of labor and birth.
Choice A rationale
Repositioning every three hours is too infrequent for a client in the transition phase. Furthermore, at 9 cm dilation, the priority is preparing for imminent birth rather than implementing a long-term comfort schedule for early labor.
Choice B rationale
Pushing before the cervix is completely dilated at 10 cm can cause cervical edema or lacerations. The client is currently 9 cm dilated, so instructing her to push now is premature and potentially harmful to the cervix.
Choice C rationale
Initial labor education should occur during the latent phase. By the time a client reaches 9 cm dilation, they are in the transition phase and unable to process complex education due to the intensity of labor.
Choice D rationale
A multiparous client (para 5) at 9 cm dilation is likely to progress to complete dilation and birth very quickly. Preparing delivery supplies immediately ensures that the room is ready for the safe arrival of the newborn..
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