A 23-year-old male college graduate student with a history of asthma presents to the ambulatory care clinic for follow-up. He uses a \beta_3-agonist via inhaler when he has an attack. The treating physician should be alert to which of the following possible findings on examination and laboratory studies?

A 23-year-old male college graduate student with a history of asthma presents to the ambulatory care clinic for follow-up. He uses a \beta_3-agonist via inhaler when he has an attack. The treating physician should be alert to which of the following possible findings on examination and laboratory studies?

A 76-year-old man with stage 5 chronic kidney disease who has been on hemodialysis for 2 years presents with muscle cramping. His serum phosphate is markedly elevated. His physician prescribes sevelamer. How will sevelamer help this patient?

A 36-year-old man who is obese with a history of mildly elevated serum glucose levels (range from 110 to 118mg\dL ) presents to his primary care physician for follow-up. Physical examination of the heart, lungs, and abdomen are within normal limits. Which of the following strategies will cause the lowest improvement in serum glucose in this patient?

A 37-year-old woman with diabetes is brought to the emergency department unresponsive by her husband. She recently started taking a new medication to control her blood sugar, but her husband could not remember the name of it. Her blood sugar is 45mg\dL. Which of the following diabetes medications is most likely for her condition?

A 51-year-old premenopausal woman requests an estrogen-containing contraceptive from her primary care physician. Her social history is significant for being sexually active, smoking one pack per day of cigarettes, and consuming one to two alcoholic drinks per week. She has no personal or family history of breast, ovarian, or endometrial cancer. Why might be the physician will choose to avoid an estrogen-containing contraceptive?