A 70-year-old man with hypertension and decreased urinary flow presents to his primary care physician for treatment of his urinary symptoms. His current medications include a calcium channel blocker. Physical examination reveals a 20-g prostate without nodules. Which of the following is the most efficacious treatment for this patient with minimal potential for adverse events?

A 70-year-old man with hypertension and decreased urinary flow presents to his primary care physician for treatment of his urinary symptoms. His current medications include a calcium channel blocker. Physical examination reveals a 20-g prostate without nodules. Which of the following is the most efficacious treatment for this patient with minimal potential for adverse events?

A 52-year-old man who depends upon his three cups of coffee per day, which he purchases at his place of work, suddenly finds that the coffee stand has closed. He now is unable to drink his three cups of coffee per day. Which of the following effects might he exhibit at work?

A 53-year-old woman with seizure disorder, bipolar disorder, and trigeminal neuralgia presents to her primary care physician for follow-up and treatment. She has no new complaints. Which of the following medications may serve to treat all of her earlier mentioned problems?

A 59-year-old man presents to his primary care physician with an extremely sore shoulder following an accident at work. He is not found to have any fractures or tears and is treated with an injection of prednisolone for bursitis. He smokes and is currently taking levothyroxine because of a thyroidectomy, a β-blocker for mild heart failure, and prazosin for benign prostatic hyperplasia. His medications and the nicotine in his cigarettes each act on a different receptor. Activation of which of the following receptors produces the fastest cellular response?

An 83-year-old man is brought to the clinic by his family with complaints stating he can no longer perform his daily activities or be trusted to live on his own. During his neurological exam, he presents with moderate memory loss, apraxia, and anomia. Also, he displays aggressive behaviors throughout the physical exam. He was diagnosed to be in an early stage of Alzheimer's disease. What class of drugs would be most helpful in treating the patient?