Which of the Following Results from the Action of Parathyroid $1 \alpha$

Multiple Choice

Which of the following results from the action of parathyroid hormone (PTH) on the renal tubule?

A) Inhibition of $1 \alpha$ -hydroxylase
B) Stimulation of $\mathrm{Ca}^{2+}$ reabsorption in the distal tubule
C) Stimulation of phosphate reabsorption in the proximal tubule
D) Interaction with receptors on the luminal membrane of the proximal tubular cells
E) Decreased urinary excretion of cyclic adenosine monophosphate (CAMP)