2-year-old boy was brought to the emergency department because of fever, irritability, increased lethargy, and multiple episodes of diarrhea. The mother reported that she found her levothyroxine bottle empty a few hours earlier. Vital signs of the boy were blood pressure 130/80 mm Hg, heart rate 180 bpm, respirations 26/min. Laboratory test results on admission showed a total tri-iodothyronine level of 472 ng/dL (normal:
40-130 ng/dL). Which of the following drugs should be administered first to control hormone-related effects that could be rapidly lethal in this patient?

53-year-old woman recently diagnosed with hyperthyroldism started an appropriate treatment. One month later, the following laboratory values were obtained: Red blood cell count (RBC): 4.6 × 10mm3 (normal 4.0-5.5 × 10°/mm3), White blood cell count (WBC): 0.6 × 103/mm.3 (normal 3.2-9,8 × 10%/mm3), Platelets 180 x 103/mm3 (normal
140-400 × 10%/mm*). Which of the following drugs most likely caused these results?