Renal calculi are typically formed by
AProtein casts of damaged podocytes
BCalcium oxalate and similar stones
CCholesterol crystals deposited in tubules
DLiver-derived bile pigments in urine
Answer & Solution
Correct answer: B. Calcium oxalate and similar stones
Renal stones are most commonly calcium oxalate (about 80%), with smaller proportions of uric acid, struvite (infection-related) and cystine. They precipitate in concentrated urine and can obstruct the urinary tract.
Related questions
The presence of glucose in urine is called:How much urea does an adult excrete per day on average?Human urine is slightly acidic, with a pH of about:How much urine does an adult human pass per day on average?ADH mainly increases the reabsorption of:Antidiuretic hormone is also known as:Angiotensin II activates the adrenal cortex to release:A fall in glomerular filtration rate makes the JG cells release: