<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 40-year-old woman comes to the physician because of a 2 week history of anorexia and a feeling of dryness in the mouth; she has had a 5.8-kg 12.8-lb weight loss during this period. She also complains of fatigue and inability to carry out daily chores. One year ago, she was diagnosed with advanced cervical carcinoma, metastatic to the pancreas, and is being treated with combination chemotherapy. She is 157 cm 5 ft 2 in tall and weighs 47 kg 103.6 lb; BMI is 19.1 kgm2. She appears thin and pale. Her temperature is 37.7C 99.8F, blood pressure is 11068 mm Hg, pulse is 105min, and respirations are 28min. There is generalized weakness and atrophy of the skeletal muscles. Which of the following is the most appropriate next step in management?? A: Dronabinol, B: Mirtazapine, C: Megestrol acetate, D: Cyproheptadine, E: Cognitive behavioral therapy,  <response>: This is a clinical vignette describing a 40-year-old woman with advanced cervical cancer who is experiencing anorexia, weight loss, fatigue, dry mouth, and inability to perform daily activities. She has lost 5.8 kg in 2 weeks and now has a BMI of 19.1 kgm2. The question asks about the most appropriate next step in management. Based on the history and physical exam findings, this patient likely has cancer cachexia causing her weight loss and symptoms. Cancer cachexia involves loss of appetite, early satiety, weight loss, muscle wasting, and fatigue. The goal of treatment is to improve appetite, caloric intake, quality of life, and limit muscle wasting. The answer choices list different pharmacologic agents and psychotherapy that could potentially help cancer-related anorexia and cachexia.C: Megestrol acetate 