A 32-year-old man presents to his primary care physician for evaluation of elevated triglycerides. His mother, father, sister, and brother all have the same problem. His serum cholesterol and triglyceride levels are normal. What is the most likely explanation for these findings?

A 32-year-old man presents to his primary care physician for evaluation of elevated triglycerides. His mother, father, sister, and brother all have the same problem. His serum cholesterol and triglyceride levels are normal. What is the most likely explanation for these findings?

A 21-year-old woman presents to her primary care physician with worsening alogia as well as harboring the delusion that an ex-boyfriend (who now lives in a different state) is spying on her through her computer. Her physician prescribes chlorpromazine, a low-potency antipsychotic. The physician warns her of possible anticholinergic side effects. Which of the following is an anticholinergic effect?

A 33-year-old man with advanced Crohn disease is treated with multiagent therapy including 6-mercaptopurine. On his most recent CT scan, there is evidence of disease progression to include the entire ileum and right colon. What is the most likely explanation for these findings?

A 58-year-old male is hospitalized for COPD exacerbation. While in the hospital, he becomes constipated. He has a history of hyperlipidemia and gout. The physician gives him docusate. How does docusate work to relieve constipation?

A 23-year-old man with erectile dysfunction refuses to see a physician for his problem. Instead, he purchases an over-the-counter product that contains yohimbine. He claims that he now has improved sexual function with improved quality of his erections. What is the most likely explanation for this finding?