A 30-year-old woman arrives at the clinic complaining of substantial weight gain despite not making any dietary or exercise adjustments. Additionally, she has been experiencing regular constipation and a recent increase in fatigue. The patient is drug-free and has no history of illness. She had a healthy baby three years ago after having one pregnancy. Family history is significant for her mother's thyroid condition. Both the blood pressure and the pulse measure 116/90 mm Hg. 28.5 kg/m² is the BMI. Upon physical examination, the thyroid is found to be diffusely enlarged, non-tender, and free of nodules. Deep tendon reflexes take longer to relax. Her skin seems dry, and she has scant hair. Which of the following sets of laboratory findings is most likely to be seen in this patient?

Question

Quizplus · Accepted Answer

Eductional Objective: TSH levels are up and T4 levels are lowered in primary hypothyroidism. T3 is largely made from T4 in peripheral tissues, and because of its short half-life, blood levels frequently fall below the normal range in hypothyroid individuals.

A 30-Year-Old Woman Arrives at the Clinic Complaining of Substantial