A 2 year-old previously healthy boy presents fever for 5 days and cough and tachypnea for 2 days with highest body temperature of 40°C, inspiratory retraction (three depression sign) and fine crackles in both lungs. What is the most likely cause for his condition
A.Streptococcus pneumoniae
B.Chlamydia pneumoniae
C.Respiratory syncytial virus
D.Haemophilus influenzae
E.Mycoplasma pneumoniae
试卷相关题目
- 1A 4-year-old boy with Staphylococcus pneumonia suddenly develops increasing respiratory distress. If you are called to see this child, what should be your order
A.A second chest radiograph to evaluate for pneumatocele formation
B.A large-bore needle and chest tube kit for aspiration of a probable tension pneumothorax
C.A change in antibiotics to include gentamicin
D.A sedative to treat the childs attack of severe anxiety
E.A thoracentesis kit to drain his probable pleural effusion
开始考试点击查看答案 - 2Which of the following is NOT the characteristic of staphylococci aureus pneumonia
A.high fever,most of them are remittent fever
B.Scarlatinoid rash or urticaria
C.physical signs of the lungs appear late
D.formation of subcutaneous emphysema
E.patchy shadows in x-ray film
开始考试点击查看答案 - 3关于呼吸道合胞病毒肺炎的特点,应除外的是
A.多见于2岁以内,尤其是6个月以内的婴儿
B.肺部体征出现早
C.常有呼吸困难
D.高热、双肺细湿啰音为主
E.X线改变主要是间质性肺炎,肺泡病变及肺气肿
开始考试点击查看答案 - 4不符合呼吸道合胞病毒性肺炎的是
A.呼吸困难、喘憋
B.双肺满布喘鸣音
C.严重缺氧可发生呼吸衰竭
D.胸部X线示小点片状、斑片状,部分有不同程度肺气肿
E.多有持续高热
开始考试点击查看答案 - 5以下哪一项不符合支原体肺炎的发病特点
A.高热持续1〜3周
B.可伴有心、脑、肝等多脏器受损
C.剧烈咳嗽,痰多且黏稠
D.婴幼儿感染时喘憋症状较突出
E.累及胸膜时可出现少量至中等量胸腔积液
开始考试点击查看答案 - 61岁半男孩,因发热、咳嗽3天,诉右耳痛1天就诊,五官科诊断为急性卡他性中耳炎。其发病机制为
A.小儿喉部呈漏斗型,感染不容易向下,故向周围蔓延
B.血行播散
C.淋巴管播散
D.咽鼓管较宽、直而短、呈水平位
E.上呼吸道IgA分泌少
开始考试点击查看答案 - 72岁患儿,发热1天,食欲缺乏,咽痛,检查时可见咽部充血,在咽弓、悬雍垂黏膜上可见数个2〜4mm大小的灰白色小疱疹,周围有红晕,血常规WBC4.0×109/L,中心粒细胞45%,淋巴细胞55%,则患儿诊断为
A.咽结膜炎
B.疱疹性咽峡炎
C.溃疡性口腔炎
D.手足口病
E.球菌性口炎
开始考试点击查看答案 - 88个月男婴,发热3天,体温最高39℃,伴咳嗽、流涕,查体:精神反应好,咽部充血,扁桃体不大,双肺呼吸音粗,未闻及干湿性啰音,心音有力,律齐,腹平软,肝脾不大。根据患儿表现,下一步最需要的检查是
A.血常规+CRP
B.胸部X线
C.咽拭子细菌培养
D.呼吸道病毒抗原检测
E.支原体抗体
开始考试点击查看答案 - 93岁女孩,高热3天,T39.5℃,诉咽痛和眼部刺痛,恶心、呕吐伴腹泻、腹痛,查体:咽部充血明显,双眼滤泡性结膜炎,颈部和耳后淋巴结肿大,心肺腹检查无特殊。可能的诊断为
A.流行性感冒
B.麻疹早期
C.猩红热早期
D.咽结合膜热
E.急性阑尾炎
开始考试点击查看答案 - 102岁男孩,急起高热,流涎,厌食。查体:咽部充血,咽腭弓、软腭等处可见2〜4mm大小的疱疹,牙龈和颊黏膜无异常,心、肺未见异常。最可能的诊断是
A.疱疹性口炎
B.鹅口疮
C.疱疹性咽峡炎
D.猩红热
E.咽结合膜热
开始考试点击查看答案