The technique used for the non-surgical removal of kidney stones is called:
Correct answer: B. Lithotripsy
- A. Ultrasound
- B. Lithotripsy
- C. Dialysis
- D. X-rays
Explanation
Extracorporeal shock wave lithotripsy is a technique for treating stones in the kidney and ureter that does not require surgery. Instead, high-energy shock waves are passed through the body and used to break stones into pieces as small as grains of sand.
This question appeared on the NUMS 2016 paper, which you can sit online with every answer explained.
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The kidney and urinary system remove nitrogenous wastes, regulate water and ion balance, and help maintain blood pH through filtration, selective reabsorption and secretion. Questions cover nephron structure, ultrafiltration, the loop of Henle, collecting ducts, urine formation and the roles of ADH and aldosterone, while distinguishing excretion from egestion.
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