A 47-year-old man with a history of intermittent panic disorders presents to his primary care physician desiring therapy. He has no other pertinent past medical or surgical history. Physical examination of the heart, lungs, and abdomen are within normal limits. What is the most appropriate treatment for this patient?

A 47-year-old man with a history of intermittent panic disorders presents to his primary care physician desiring therapy. He has no other pertinent past medical or surgical history. Physical examination of the heart, lungs, and abdomen are within normal limits. What is the most appropriate treatment for this patient?

A 72-year-old man is brought to his physician by his son. The son complains that this patient has been becoming forgetful, confused, moody, and aggressive over the past few months. Which of the following neurotransmitter changes is characteristic of Alzheimer's disease?

A 34-year-old woman with multiple sclerosis presents with uncontrollable muscle spasms. The physician prescribes tizanidine to help control the spasms. Tizanidine's mechanism of action is most similar to which of the following drugs?

A 7-year-old boy is brought to the clinic by his mother for a well-child checkup. Physical exam is normal, and he is in no acute distress. A few months ago, he started taking atomoxetine for attention-deficit/hyperactivity disorder. His mother has been pleased with the results but has one complaint that the physician immediately recognizes as a common side effect of atomoxetine. Which of the following is most likely the mother's complaint?

A 65-year-old man develops new onset of symptoms of urinary incontinence and cogwheel muscle rigidity. Evaluation of bladder function reveals sphincter bradykinesia. He has begun on treatment with levodopa. Which of the following effects should the physician warn this patient of?