NAVLE（北美执业兽医考题）Day 442

单选题，正确答案是100分，非正确答案为0分，Good Luck！

A 4-month-old terrier cross presents for inability to eat. The puppy is bright, alert, and responsive on exam. Heart rate is 148, respiratory rate is panting, and temperature is 101.8 F (38.8 C). The puppy is extremely painful when his lower jaw is palpated, and cries and pulls away when you attempt to open his mouth. Sedated oral exam is unremarkable. Radiographs are available for review (see image). What do you tell the owner about prognosis?

一只4个月大的混种小猎犬出现了无法进食的症状。小狗活泼，警觉，并且对检查有反应。心率148，气喘，体温38.8摄氏度。当他的下颌被触诊时，小狗非常疼痛，当你试图张开嘴时，小狗会嚎叫并且躲开。镇静后的检查未见明显异常。 X光片可供参考（见图）。你告诉主人怎样的预后？

A - This will regress within a year, and symptomatic support is needed for discomfort. 症状会在一年内消失，可以根据需要对症治疗

B - Surgical removal of dentigerous cysts will likely be curative, however long term dental disease is common. 手术切除可见的牙齿囊肿也许会有帮助，但有可能发展为慢性长期的牙科问题

C - This can be cured with antibiotics based on culture and sensitivity. NSAIDs can be used for discomfort. 可以根据药敏试验结果选择的抗生素治疗，疼痛明显时使用NSAID

D - Chemotherapy can prolong quality of life for a few of months, however prognosis is grave. 化疗可以延长寿命改善生活质量，但预后谨慎。

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NAVLE（北美执业兽医考题）Day 442

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