A patient c/o depression, cold intolerance, bradycardia and fatigue. The nurse uses her clinical judgment and expects to
a) Teach the patient about diabetes mellitus and glyburide
b) Teach the patient about hypocalcemia and calcitriol
c) Teach the patient about hyperthyroidism and propylthiouracil
d) Teach the patient about hypothyroidism and levothyroxine