A 55-year-old woman with schizophrenia has been taking fluphenazine for 10 years to control her symptoms. At her regular 6-month checkup today, she complains of uncontrollable lip puckering movements. What is the next step the physician should take?

A 55-year-old woman with schizophrenia has been taking fluphenazine for 10 years to control her symptoms. At her regular 6-month checkup today, she complains of uncontrollable lip puckering movements. What is the next step the physician should take?

A 53-year-old woman is on a cruise to the Caribbean. The waters are somewhat choppy, and she fears that she will have motion sickness. She presents to the ship physician who gives her scopolamine to take to prevent motion sickness. This agent works in which of the following pathways?

After norepinephrine is released, it binds to receptors on the target organs. Then, it must be removed from the synaptic space. Which of the following mechanisms describes correct removal of norepinephrine from the synaptic space?

A 28-year-old alcoholic man is brought to the emergency department after a binge drinking. The treating physician is concerned about the risk of alcohol withdrawal and associated risk of withdrawal seizures. Which of the following medications would be most helpful in this patient to decrease these risks?

A 58-year-old man with Parkinson's disease presents to the clinic for follow-up. Recently, he has experienced an increase in his resting tremor and rigidity. He was wondering if there is a medication that could help these symptoms. What anticholinergic is the most appropriate treatment?