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172982 Medicine

A 30-year-old man presents to the emergency department for assessment of new symptoms of hematuria. The physical examination is normal except for an elevated blood pressure of 164/94 mm Hg. An ultrasound of the kidneys reveals multiple renal cysts in both kidneys. His father had a similar condition. Which of the following is not associated with this syndrome?

Aliver cysts
Bintracranial aneurysms
Cautosomal dominant inheritance
Drheumatoid arthritis (RA)
Medicine
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172985 Pathology

A 24-year-old woman who had previously been uneventfully transfused,receives a blood transfusion during surgery and sholy thereafter develops itching, generalized uicaria, laryngeal edema, and dyspnea with wheezing respiration. She has a past history of recurrent upper respiratory tract infections and frequent episodes of diarrhea. Laboratory studies are most likely to reveal decreased concentrations of which of the following immunoglobulins?

AIgA
BIgD
CIgE
DIgG
Pathology
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