Question 98 · LEK · Phosphate balance
Which of the following conditions are characterized by increased urine loss of phosphates?
1) Fanconi syndrome;
2) tumor lysis syndrome during chemotherapy;
3) hypophosphatemic rickets;
4) hyperparathyroidism;
5) hypoparathyroidism.
The correct answer is:
2) tumor lysis syndrome during chemotherapy;
3) hypophosphatemic rickets;
4) hyperparathyroidism;
5) hypoparathyroidism.
The correct answer is:
- A. 1,2,3,4.
- B. 2,3,4,5.
- C. 1,2,3,5.
- D. 1,3,4,5.
- E. all the above.
Hint
Think about how PTH affects proximal tubular phosphate reabsorption and which disorder therefore lowers urinary phosphate.
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