Which of the following blood transfusions is incorrectly matched?
Donating A blood to an AB patient
Donating O blood to a B patient
Donating B blood to an O patient
Donating A blood to an AB patient
The Correct Answer is C
A. Donating A blood to an AB patient: AB recipients express both A and B antigens and generally tolerate A blood without antibody-mediated reaction.
B. Donating O blood to a B patient: Type O lacks A/B antigens and is usually compatible with B recipients (O often considered universal donor for RBCs).
C. Donating B blood to an O patient: Type O individuals have anti-A and anti-B antibodies in their plasma, so receiving B blood can trigger a transfusion reaction.
D. Donating A blood to an AB patient: (duplicate of A) AB recipients accept A blood because they do not have anti-A or anti-B antibodies.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Meiosis: The specialized cell division that halves chromosome number to produce gametes (ova and sperm).
B. Interphase: The stage of the cell cycle when the cell grows and DNA is replicated; it is not the division process that creates gametes.
C. Mitosis: Somatic cell division producing genetically identical daughter cells, not the reductional division that forms gametes.
D. Regeneration: Refers to tissue repair or regrowth, not the meiotic process that generates eggs or sperm.
Correct Answer is C
Explanation
A. Proliferation: Refers to the rebuilding of the endometrium under estrogen influence during the follicular phase, not linked to progesterone withdrawal.
B. Ovulation: Triggered primarily by a surge of luteinizing hormone (LH), not by decreased progesterone.
C. Menstruation: Sudden drop in progesterone (and estrogen) causes shedding of the endometrial lining, leading to menstruation.
D. Implantation: Occurs when a fertilized embryo attaches to a progesterone-maintained endometrium, so decreased progesterone would prevent this.
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