A 34-Year-Old Woman with End-Stage Kidney Disease Secondary to IgA

question 62

Multiple Choice

A 34-year-old woman with end-stage kidney disease secondary to IgA nephropathy is undergoing kidney transplant from an unrelated living donor.  The patient receives induction immunosuppression with a rabbit antithymocyte globulin-based regimen immediately prior to the procedure.  The surgery is performed without complications, and maintenance immunosuppressive therapy is begun.  Ten days later, the patient experiences high fevers, generalized pruritic rash, and pain, redness, and swelling of the bilateral metacarpophalangeal joints, wrists, and knees.  The erythrocyte sedimentation rate is elevated.  Arthrocentesis of the involved joint yields synovial fluid with neutrophilic leukocytosis; there are no crystals and no bacteria on Gram stain.  Which of the following is most likely responsible for the increased synovial membrane permeability in this patient?

• A)C3b
• B)C5a
• C)IL-5
• D)N-formylated peptides
• E)RANTES

---

Definitions:

Racial Conflicts

Disagreements, tensions, and hostilities between racial groups, often fueled by systemic racism, prejudices, and historical grievances.

Robbers Cave Experiment

A classic social psychology experiment that showed how group conflict could be induced and then overcome by requiring the groups to cooperate on tasks to achieve common goals.

Desegregated Schools

Educational institutions that have been integrated, allowing students of different racial, ethnic, or other segregations to learn together.

Racial Groups

Categories of people identified by shared physical or social qualities into groups considered by society to be distinct.