A 42-year-old woman is sunbathing on a very warm day. She falls asleep on the beach and then awakens with chills and sweats. She has no pertinent past medical or surgical history. Paramedics on the scene record a blood pressure of 80/40 mm Hg. Reflex responses of the autonomic nervous system would include which of the following?

A 42-year-old woman is sunbathing on a very warm day. She falls asleep on the beach and then awakens with chills and sweats. She has no pertinent past medical or surgical history. Paramedics on the scene record a blood pressure of 80/40 mm Hg. Reflex responses of the autonomic nervous system would include which of the following?

A 58-year-old man with cardiac dysfunction is placed on propranolol. Over the ensuing days, he develops worsening pedal edema, and review of his serum electrolyte reveals a serum sodium of 151 mEq/L. What is the most appropriate treatment for this patient?

A 40-year-old man with chronic anxiety and alcohol abuse has difficulty getting to sleep. He has no other medical problems. Physical examination of the heart, lungs, and abdomen are within normal limits. Which of the following is the best agent to help this patient get to sleep?

A 19-year-old college student has come to the conclusion that smoking one cigarette per day may help him excel in his classes. Note: This behavior is not endorsed by the American Medical Association. The student's belief in having one cigarette per day may actually improve which of the following performance areas?

A mother brings her unconscious 14-year-old son to the emergency department. He was found unresponsive in his bedroom. His respirations are 10 breaths per minute. The mother suspects that her son has been abusing her prescription diazepam, showing her empty pill bottle. What should be given to him to counteract the diazepam?