简述核医学临床应用的注意事项。
粉末镜检可见油室,单根梭状纤维和CaC2O4簇晶的药材是() ["肉桂","丁香","当归","厚朴","石菖蒲"]
屈原《国殇》的体裁属于() ["五言古诗","七言律诗","楚辞体","无言绝句"]
3岁儿童突然恶心、呕吐,口腔有金属味,腹痛、烦躁,并伴有呼吸和脉搏增快,惊厥。最可能的诊断是() ["细菌性食物中毒","急性胃肠炎","痢疾","急性铅中毒","异物进入气管"]
胸外按压与人工呼吸的比例是多少?
“吊马庄”的街名是因传说哪一位战将在此拴马歇脚?