單項(xiàng)選擇題鼓膜穿孔將引起:()
A.感音性耳聾;
B.傳音性耳聾;
C.神經(jīng)性耳聾;
D.骨傳導(dǎo)減弱
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1.單項(xiàng)選擇題對(duì)近視眼的錯(cuò)誤敘述有:()
A.由于眼球前后徑過長(zhǎng)所致;
B.近點(diǎn)較正常眼近;
C.因折光力超過正常所致;
D.遠(yuǎn)點(diǎn)移遠(yuǎn)
2.單項(xiàng)選擇題正常人耳所能感受的振動(dòng)頻率范圍是:()
A.16-2000Hz;
B.16-20000Hz;
C.1000-3000Hz;
D.4000-6000Hz
3.單項(xiàng)選擇題在靜息狀態(tài)時(shí)能夠形成清晰視覺的眼前物體最遠(yuǎn)之點(diǎn)為:()
A.焦點(diǎn);
B.遠(yuǎn)點(diǎn);
C.主點(diǎn);
D.節(jié)點(diǎn)
4.單項(xiàng)選擇題當(dāng)睫狀肌收縮時(shí)可使:()
A.角膜曲度增大;
B.瞳孔縮?。?br />
C.晶狀體曲度減?。?br />
D.晶狀體曲度增大
5.單項(xiàng)選擇題視近物時(shí),眼的調(diào)節(jié)不會(huì)出現(xiàn):()
A.晶狀體變凸;
B.瞳孔縮??;
C.雙眼會(huì)聚;
D.眼軸變短
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