Laboratory Data Interpretation

A 45-year-old woman with no chronic health problems presents a 6-month history increasing fatigue despite adequate opportunity for rest , worsening dry skin and increased menstrual flow volume. In analyzing the laboratory data below, which is most consistent with the diagnosis of hypothyroidism? A. TSH <0.15 mIU/L (0.4–4.0 mIU/L), free T4=79 pmol/L (10–27 pmol/L) B. TSH=8.9 mIU/L (0.4–4.0 mIU/L), free T4=15 pmol/L (10–27 pmol/L) C. TSH=1.9 mIU/L (0.4–4.0 mIU/L), free T4=22 pmol/L (10–27 pmol/L) D. TSH=64 mIU/L (0.4–4.0 mIU/L), free T4=3 pmol/L (10–27 pmol/L) --- YouTube: https://www.youtube.com/watch?v=GRTO-JwQiQs&list=PLf0PFEPBXfq592b5zCthlxSNIEM-H-EtD&index=5 Visit fhea.com to learn more!