Nephrolithiasis involves hard deposits that form in the kidney, caused by decreased urine volume or excess stone-forming substances in urine. Can affect any part of the urinary tract, from kidneys to bladder. There are many causes, what are 3?
a) Dehydration, high dietary calcium, urinary tract infections
b) Hydration, low dietary calcium, sedentary lifestyle
c) High dietary calcium, urinary tract infections, family history
d) Hydration, high dietary calcium, family history