A 34-year-old man with a history of thyroid problems is brought to the emergency department with tachycardia, chest pressure, and sweating. He is thought to have thyroid storm. Which of the following treatment strategies is important in the management of this patient?

A 34-year-old man with a history of thyroid problems is brought to the emergency department with tachycardia, chest pressure, and sweating. He is thought to have thyroid storm. Which of the following treatment strategies is important in the management of this patient?

A 44-year-old black man is brought to the emergency department by a friend with 6~h of worsening lethargy and confusion. Past medical history is significant for easy bruising, 3 months of bone pain, and frequent pneumococcal infections. Labs were ordered, revealing a serum calcium of 17mg\dL (normal: 9 to 10.5 \mg\dL ). Which of the following may be used to rapidly lower his serum calcium?

A 67-year-old woman with diabetes presents to clinic for an annual visit. She has been doing well over the past, and her hemoglobin \A_{1c is 6.9%. Her fasting cholesterol showed a total cholesterol of 152mg\dL, LDL of 68mg\dL, and HDL of 31mg\dL. Which medication is shown to have the greatest increase in HDL?

A 43-year-old man with a history of low libido and erectile dysfunction presents to his primary care physician for treatment. Physical examination reveals normal testicular size. Serum testosterone is 200mg\dL. He is on treatment with testosterone 1% gel. Which of the following adverse effects is possible as a result of this preparation?

A 42-year-old man is a habitual coffee drinker of caffeinated products. Chronic use of this product has led to his addiction. What is the most likely mechanism of action of caffeine?