NAVLE（北美执业兽医考题）Day 751

Q1:A 7-year old male intact Chesapeake Bay Retriever presents to your clinic with the presenting complaint of an intermittent cough. On exam, the dog is bright and alert with a temperature of 100.5F (38.1 C), heart rate of 110 beats per minute and respiratory rate of 30 breaths per minute. You perform chest radiographs which are shown below. A CBC shows a hematocrit of 39% (35-57%), neutrophil count of 8,659/ul (2,900-12,000/ul), monocyte count of 984/ul (100-1,400/ul) and eosinophil count of 1,980/ul (0-1,300/ul). What is the treatment of choice for the most likely diagnosis?一只7岁雄性切萨皮克湾巡回犬由于间断性咳嗽前来就诊。体格检查时该犬活跃，警觉，体温正常，心率110，呼吸30次/分钟。胸腔X光片如下图。CBC显示其HCT39%（35-57%），中性粒细胞数8659/ul（2900-12000/ul），单核细胞数984/ul（100-1400/ul）以及嗜酸性粒细胞数1980/ul（0-1300/ul）。对于可能的诊断结果，最好的治疗方式是什么？[图片]