A.半月瓣開(kāi)放,右室血進(jìn)入肺動(dòng)脈B.房室瓣關(guān)閉,肺靜脈血流入左房C.房室瓣開(kāi)放,使心室充盈D.半月瓣開(kāi)放,使血液流入心室E.房室瓣關(guān)閉,使心房充盈
A.骨皮質(zhì)回聲出現(xiàn)"臺(tái)階"狀變形B.僅有骨皮質(zhì)破裂回聲中斷C.不連續(xù)的條狀或塊狀骨折片強(qiáng)回聲D.骨皮質(zhì)回聲錯(cuò)位、分離變形E.骨皮質(zhì)回聲完整
A.脾臟B.肝臟C.甲狀腺D.乳腺E.前列腺