<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:You are seeing a patient in clinic who recently started treatment for active tuberculosis. The patient is currently being treated with rifampin, isoniazid, pyrazinamide, and ethambutol. The patient is not used to taking medicines and is very concerned about side effects. Specifically regarding the carbohydrate polymerization inhibiting medication, which of the following is a known side effect?? A: Cutaneous flushing, B: Elevated liver enzymes, C: Paresthesias of the hands and feet, D: Vision loss, E: Arthralgias,  <response>: This is a question about the side effects of medications used to treat tuberculosis. The patient is on a standard four-drug regimen of rifampin, isoniazid, pyrazinamide, and ethambutol. The question asks specifically about the side effects of the carbohydrate polymerization inhibiting medication in this regimen. This refers to ethambutol, which inhibits cell wall synthesis in Mycobacterium tuberculosis. The known side effects of ethambutol include vision changes such as decreased visual acuity and optic neuritis. Cutaneous flushing, elevated liver enzymes, paresthesias, and arthralgias are not common side effects of ethambutol.D: Vision loss 