text: Renal reabsorption of<unk>  (Cl-) is a part of renal physiology, in order not to lose too much<unk>  in the urine.
option_0: Renal chloride reabsorption
option_1: Renal glucose reabsorption
option_2: Renal urea handling
option_3: Renal protein reabsorption
option_4: Renal oligopeptide reabsorption
option_5: Renal blood flow
option_6: Renin-angiotensin system
option_7: Glomerular filtration rate