A.咳嗽中樞發(fā)出沖動(dòng)經(jīng)迷走神經(jīng)傳至聲帶而產(chǎn)生咳嗽
B.刺激經(jīng)傳入迷走神經(jīng)到咳嗽中樞，發(fā)出沖動(dòng)到呼吸肌產(chǎn)生咳嗽
C.刺激經(jīng)感受器傳入交感神經(jīng)到咳嗽中樞，發(fā)出沖動(dòng)到呼吸肌產(chǎn)生咳嗽
D.咳嗽中樞發(fā)出沖動(dòng)經(jīng)三叉神經(jīng)至聲帶而產(chǎn)生咳嗽
E.咳嗽感受器經(jīng)傳入自主神經(jīng)到咳嗽中樞，發(fā)出沖動(dòng)到聲帶而產(chǎn)生咳嗽

A.咯出的血一般呈暗紅色
B.大便隱血呈陽(yáng)性
C.往往混有胃內(nèi)容物
D.多從口中嘔出
E.一般先有喉部癢感，引起咳嗽，咯出的血呈鮮紅色，混有痰液