心肌细胞收缩机制与下列哪一项离子有关()。 ["Ca2+","Na+","K+","Mg2+","H+"]
颈椎病的手术指征是() ["颈痛伴手麻木","头痛、头晕、眩晕","颈肩痛较重,手握力减退,X线检查有骨棘生成,椎间隙狭窄","反复发作,症状严重,长期保守疗法无效,有脊髓受压或瘫痪","颈肩痛,手部肌力减弱,头痛头晕,耳鸣"]
骨骼肌收缩时释放到肌浆中的Ca被钙泵转运回收的部位在() ["横管膜","肌膜","线粒体膜","肌浆网膜","粗面内质网膜"]
下列哪项是评价机体硫胺素营养状况的指标() ["血清碱性磷酸酶活力","血清谷丙转氨酶活力","红细胞谷胱甘肽还原酶活力","红细胞内转羟乙醛酶活力或TPP效应","血清糖基转移酶活力"]
缓解胆绞痛宜用() ["阿司匹林","吗啡","阿托品","阿司匹林+阿托品","吗啡+阿托品"]
蛋白-细胞分离现象