A 68-year-old man with recurrence of prostate cancer after prostatectomy has been receiving chemotherapy treatments. His last prostate-specific antigen (PSA) was 1.4. The chemotherapy has caused a decrease in production from his bone marrow. His hemoglobin is 9.6 g/dL, hematocrit is 28.1%, and platelet count is 44,000/μL. What medication can be given to stimulate bone marrow production of platelets?

A 68-year-old man with recurrence of prostate cancer after prostatectomy has been receiving chemotherapy treatments. His last prostate-specific antigen (PSA) was 1.4. The chemotherapy has caused a decrease in production from his bone marrow. His hemoglobin is 9.6 g/dL, hematocrit is 28.1%, and platelet count is 44,000/μL. What medication can be given to stimulate bone marrow production of platelets?

A 24-year-old man with Hodgkin’s lymphoma presents to the emergency department with chest pain for the past 2 days. An electrocardiogram shows nonspecific changes. An echocardiogram is performed that shows dilation of the left ventricle, and the diagnosis of dilated cardiomyopathy is made. He has been receiving chemotherapy for Hodgkin’s lymphoma over the last month. What medication is most likely responsible for his cardiomyopathy?

A 61-year-old man with osteoarthritis comes to the clinic for follow-up. His arthritis has been worsening over the past year. He has pain constantly throughout the day. He reports the only medication that was effective for him was celecoxib, which was pulled from the market. He is willing to try anything that will improve his pain at this point. What side effect is the reason for the removal of celecoxib from the market?

A 25-year-old man with multiple sexual partners begins to have flulike symptoms. He visits his doctor who recommends an HIV screening test based on his history. He is found to have an HIV infection and begins a drug regimen. Which of the following works by inhibiting fusion of the virion with T cells?

A 26-year-old man with schizophrenia takes daily codeine for no apparent reason. He does not have issues with upper respiratory disease. Which of the following effects would be least likely to be exhibited by this patient?