Patient X has blood plasma levels of Parathyroid Hormone (PTH) that are always very high due to a tumor consisting of Parathyroid Gland cells that secrete high levels of PTH into the blood plasma.
Which of the following drugs will help relieve some of the problems for Patient X?
A. Drug A that is an antagonist of the Parathyroid Hormone Receptor (PTHR).
B. Drug B that is an agonist of the Parathyroid Hormone Receptor (PTHR).
C. Drug C that is an antagonist of the calcium-binding site of the Calcium-Sensing Receptor (CaSR).