An Admission History on an Adult Patient Notes That the Patient

An admission history on an adult patient notes that the patient has a heart rate of 62 beats/minute, a blood pressure of 105/62 mm Hg, and a temperature of 96.2 $\degree$ F. The patient appears pale and reports always feeling cold and tired. The provider and patient will discuss tests to rule out what possible cause of these signs symptoms?

A) Cretinism
B) Graves disease
C) Hypothyroidism
D) Plummer disease