A 48-year-old Caucasian male suffering from ischemic heart disease is placed on a heart transplant list. Months later, he receives a heart from a matched donor. During an endomyocardial biopsy performed 3 weeks later, there is damage consistent with acute graft rejection. What is most likely evident on the endomyocardial biopsy?
AGranuloma
BAtherosclerosis
CLymphocytic infiltrate
DTissue necrosis
EFibrosis
A 40-year-old male with a history of chronic alcoholism recently received a liver transplant. Two weeks following the transplant, the patient presents with a skin rash and frequent episodes of bloody diarrhea. A colonoscopy is performed and biopsy reveals apoptosis of colonic epithelial cells. What is most likely mediating these symptoms?
ADonor T-cells
BRecipient T-cells
CRecipient B-cells
DRecipient antibodies
EDonor B-cells
A 45-year-old woman comes to the physician because of a 3-month history of worsening fatigue, loss of appetite, itching of the skin, and progressive leg swelling. Although she has been drinking 2–3 L of water daily, she has been passing only small amounts of urine. She has type 1 diabetes mellitus, chronic kidney disease, hypertension, and diabetic polyneuropathy. Her current medications include insulin, torasemide, lisinopril, and synthetic erythropoietin. Her temperature is 36.7°C (98°F), pulse is 87/min, and blood pressure is 138/89 mm Hg. She appears pale. There is 2+ pitting edema in the lower extremities. Sensation to pinprick and light touch is decreased over the feet and legs bilaterally. Laboratory studies show: Hemoglobin 11.4 g/dL Leukocyte count 6000/mm3 Platelet count 280,000/mm3 Serum Na+ 137 mEq/L K+ 5.3 mEq/L Cl− 100 mEq/L HCO3− 20 mEq/L Urea nitrogen 85 mg/dL Creatinine 8 mg/dL pH 7.25 Which of the following long-term treatments would best improve quality of life and maximize survival in this patient?
APeritoneal dialysis
BLiving donor kidney transplant
CCadaveric kidney transplant
DHemofiltration
EFluid restriction
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