In the Ascending Limb of the Loop of Henle

Multiple Choice

In the ascending limb of the loop of Henle,

A) water can easily enter or leave.
B) K⁺ and Cl⁻ are cotransported with Na⁺ across the apical membrane.
C) Ca²⁺ are actively transported across the basal membrane.
D) K⁺ is concentrated in the filtrate.
E) the filtrate does not change.