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 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 3-year-old boy who is suffering from convulsions is brought to the emergency department by his parents. They report finding him eating a rodenticide, which they brought with them for identification. The active ingredient in this brand of poison is strychnine. How does strychnine work?

A 56-year-old man came to the clinic with complaints of tremor, bradykinesia, and “a feeling of persistent restlessness” after beginning a new antipsychotic regimen 2 months ago. The patient has a history of schizophrenia and depression. He is afraid he may have Parkinson's syndrome. The doctor recommended cessation of the new regimen and assures the patient the symptoms will clear after a few weeks or months after withdrawal. What antipsychotic was the most likely to have caused the patient's symptoms?

An individual lacks the ability to synthesize dopamine in the axoplasm of the adrenergic neuron. Should the problem occur at the rate-limiting step of this conversion, which of the following substances will accumulate?

A 54-year-old man with multiple medical problems and anxiety is placed on diazepam. He has been taking the medication for 6 months. He is concerned that he is having changes in his memory as a result of being on this medication. Which of the following memory effects are likely?