A 22-year-old woman is using a vaginal ring as a contraceptive agent. She has no other medical problems. She is concerned about device failure and becoming pregnant. What is the most likely reason for this failure to occur?

A 22-year-old woman is using a vaginal ring as a contraceptive agent. She has no other medical problems. She is concerned about device failure and becoming pregnant. What is the most likely reason for this failure to occur?

A 34-year-old man who is obese has been unable to lose weight by diet management and exercise. He also has hypertension and prediabetes. His physician prescribes orlistat to cut down on the amount of calories he takes in. Which of the following describes the mechanism of orlistat?

A 17-year-old woman presents to her primary care physician with polydipsia and polyuria. She is found to have high amounts of amino acids, phosphates, bicarbonate, and glucose in her urine. She reports that after complaining to a friend about her acne, her friend gave her some old acne medication that she had in her medicine cabinet. Which medication did she likely use?

A son brings his 72-year-old father into his scheduled follow-up after being placed on a new pharmacotherapy for his chronic hypertension. The patient also suffers from renal failure, and his son is his primary caretaker. Although the patient was on the maximum dose of hydralazine in addition to an ACE inhibitor and diuretic, the therapy has not effectively managing his severe hypertension. If the doctor replaces the hydralazine in the patient's drug regime, what medication is most likely to be chosen as a replacement?

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?