As a Physical Therapist, You Are Working with an Older

As a physical therapist, you are working with an older client, Melba, who has recently begun experiencing symptoms of fatigue, depression, weight gain, and cold intolerance. You should most suspect a disorder of which endocrine gland in Melba?

A) Parathyroid glands
B) Adrenal glands
C) Thyroid gland
D) Pancreas