A 50-year-old woman who has been treated with sertraline for major depressive disorder for more than two years comes to the office because she has had weakness, cold intolerance, constipation, and weight gain during the past six months. Physical examination shows dry, coarse skin as well as bradycardia, hypothermia, and swelling of the hands and feet. Which of the following laboratory studies is the most appropriate to determine the diagnosis?

A physician group practice recently hired a new graduate of a psychiatry residency training program. The new physician had excellent references, and her performance in the practice has been exemplary. A physician colleague in the practice discovers that the new physician’s social media page contains disparaging comments about obese patients, patients with somatoform disorders, and nonadherent patients, although there is no mention of specific patients in the practice. Which of the following is the most appropriate course of action for this physician to take regarding the colleague’s social media use?