A patient with nephrotic syndrome has severe hypoalbuminemia and generalized edema. Which mechanism best explains the edema?
Correct answer: B. Reduced plasma oncotic pressure allows fluid into tissues
- A. Increased plasma oncotic pressure draws fluid into vessels
- B. Reduced plasma oncotic pressure allows fluid into tissues
- C. Increased renal filtration removes excess tissue fluid
- D. Reduced capillary permeability prevents fluid reabsorption
Explanation
Heavy urinary protein loss lowers serum albumin and reduces plasma oncotic pressure, so fluid moves from the intravascular space into the tissues. The resulting reduced circulating volume can also activate sodium and water retention.
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About Renal and Urological Nursing
Covers assessment and care for urinary tract infection, glomerulonephritis, nephrotic syndrome, acute kidney injury, chronic kidney disease, renal stones and urinary obstruction. The subject includes intake and output, urinalysis, fluid restriction, dialysis care and the difference between prerenal, intrinsic and postrenal kidney injury.
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