A nurse is caring for a client who has a new diagnosis of hyperthyroidism. Which of the following findings should the nurse expect?

The correct answer is C: Heat intolerance. In hyperthyroidism, there is an excess production of thyroid hormones leading to an increased metabolic rate. This results in symptoms such as heat intolerance due to increased body heat production. Weight gain (A) is not expected as hyperthyroidism typically leads to weight loss. Bradycardia (B) is not expected as hyperthyroidism often causes tachycardia. Cold intolerance (D) is not expected as hyperthyroidism usually causes heat intolerance.