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