A 43-year-old man comes to the physician for a 1-week history of swelling around his eyes and decreased urination. His pulse is 87/min, and blood pressure is 152/95 mm Hg. Physical examination shows 1+ periorbital and pretibial edema. Serum studies show a urea nitrogen concentration of 21 mg/dL and a creatinine concentration of 1.4 mg/dL. Urinalysis shows 3+ blood and 1+ protein. Further evaluation of this patient is most likely to show which of the following?
AUrinary rhomboid crystals
BRenal interstitial inflammation
CHypoalbuminemia
DDetached renal tubular epithelial cells
ERed blood cell casts
A 44-year-old man comes to the physician because of a 2-week history of lower extremity swelling and frothy urine. He has a history of chronic hepatitis C infection. Physical examination shows 3+ pitting edema of the lower legs and ankles. Further evaluation of this patient is most likely to show which of the following?
ADecreased cholesterol
BDecreased blood urea nitrogen
CIncreased antithrombin III
DDecreased cystatin C
EIncreased lipoproteins
A 70-year-old man with a long-standing history of diabetes mellitus type 2 and hypertension presents with complaints of constant wrist and shoulder pain. Currently, the patient undergoes hemodialysis 2 to 3 times a week and is on the transplant list for a kidney. The patient denies any recent traumas. Which of the following proteins is likely to be increased in his plasma, causing the patient’s late complaints?
AAmyloid precursor protein
BAmyloid A (AA)
Cβ2-microglobulin
DTransthyretin (TTR)
EIg light chains
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