Commonalities of the sympathetic, parasympathetic, and somatic nervous systems involve which of the following neuroeffector transmitters?

Commonalities of the sympathetic, parasympathetic, and somatic nervous systems involve which of the following neuroeffector transmitters?

A 37-year-old woman with hyperthyroidism and asthma has frequent asthma attacks, requiring inhalational albuterol and epinephrine. Her attacks are occurring several times per week. Her most recent blood tests reveal elevated \(T_3\) and \(T_4\) levels twice the normal values. These levels significantly increased from her last laboratory studies 6 months ago. What is the most likely explanation for these findings?

A 58-year-old woman with multiple sclerosis presents to her primary care physician for follow-up. She ambulates well and has few issues with her disease. Which of the following agents may be beneficial in slowing the progression of this disease?

A 78-year-old man with generalized anxiety disorder and mild dementia is being seen by his primary care physician. Physical examination of the heart, lungs, and abdomen are within normal limits. Which of the following would be the best treatment option for his generalized anxiety disorder?

A 39-year-old man with recurrent epileptic seizures presents to his primary care physician for follow-up. He has no pertinent past medical, surgical, or family history in relation to his seizures. CT scan of the head reveals normal cerebral and cerebellar structures. There is no evidence of hydrocephalus. What is the most likely explanation of this patient's seizures?