A 70-year-old male presents with a 6-month history of dyspne…

A 70-year-old male presents with a 6-month history of dyspnea on exertion and chronic cough. He admits to a 30-pack year history of cigarette smoking. Examination reveals increased AP diameter and decreased bilateral breath sounds with prolonged expiration. Oxygen saturation is 94% on room air. Which of the following interventions in addition to smoking cessation is appropriate at this time?

An 82 year-old patient presents with new onset depression. T…

An 82 year-old patient presents with new onset depression. The family reports that the patient always had a positive outlook on life and until recently was socially active, slept and ate well, and was adored by her grandchildren. Her history and physical exam reveal weight gain, constipation, dry skin, and sluggish reflexes. What is the most likely cause of her new onset depression?