A 54-year-old woman with a history of left-sided breast cancer has been in remission for 5 years following paclitaxel therapy coupled with surgical resection. She has now noticed a new lump in her left breast close to where the original tumor was excised. A biopsy reveals recurring cancer. After talking with her physician, she decided to undergo more chemotherapy. Her physician prescribes a drug, which interferes with microtubules. Which is a chemotherapy drug that disrupts the microtubule assembly?

A 54-year-old woman with a history of left-sided breast cancer has been in remission for 5 years following paclitaxel therapy coupled with surgical resection. She has now noticed a new lump in her left breast close to where the original tumor was excised. A biopsy reveals recurring cancer. After talking with her physician, she decided to undergo more chemotherapy. Her physician prescribes a drug, which interferes with microtubules. Which is a chemotherapy drug that disrupts the microtubule assembly?

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?

A 28-year-old man who suffered a crush injury to his lumbar spine (L4 and L5) with disc herniation is managed with meperidine for pain control. He has been taking this medication for 6 months. In addition to pain relief, which of the following other effects is possible?