A Negative Free-Water Clearance $\left(\mathrm{C}_{\mathrm{H}_{2} \mathrm{O}}\right)$ Would Occur in a Person
A) Who Drinks

Multiple Choice

A negative free-water clearance $\left(\mathrm{C}_{\mathrm{H}_{2} \mathrm{O}}\right)$ would occur in a person

A) who drinks $2 \mathrm{~L}$ of water in 30 minutes
B) after overnight water restriction
C) who is receiving lithium for the treatment of depression and has polyuria that is unresponsive to antidiuretic hormone $(\mathrm{ADH})$ administration
D) with a urine flow rate of $5 \mathrm{~mL} / \mathrm{min}$ , a urine osmolarity of $295 \mathrm{mOsm} / \mathrm{L}$ , and a serum osmolarity of $295 \mathrm{mOsm} / \mathrm{L}$
E) with a urine osmolarity of $90 \mathrm{mOsm} / \mathrm{L}$ and a serum osmolarity of $310 \mathrm{mOsm} / \mathrm{L}$ after a severe head injury