The Nurse Suspects That an Older Patient's New Diagnosis of Hypothyroidism

The nurse suspects that an older patient's new diagnosis of hypothyroidism is caused by downregulation.How should the nurse explain this to the patient?

A) "The organ making the hormones is degenerating."
B) "The strength of the hormones being synthesized is weaker."
C) "The body becomes confused about the purpose of the hormones.
D) "There are fewer receptors on the surface of target tissues."