氨茶碱的主要平喘机制为() ["直接舒张支气管","抑制磷酸二酯酶","激活鸟苷酸环化酶","抑制腺苷酸环化酶","促进肾上腺素的释放"]
色甘酸钠的作用机制是() ["能对抗胆碱等过敏介质的作用","直接松弛支气管平滑肌","抑制肥大细胞脱颗粒反应","促进儿茶酚胺释放","阻断M受体"]
寒邪袭人,导致肢体屈伸不利,是由于() ["其性收引,以致经络、筋脉收缩而挛急","其为阴邪,伤及阳气,肢体失于温煦","其性凝滞,肢体气血流行不利","其与肾相应,肾精受损,不能滋养肢体","其邪袭表,卫阳被遏,肢体肌肤失于温养"]
急性哮喘发作首选() ["色甘酸钠吸入","氨茶碱口服","沙丁胺醇吸入","麻黄碱口服","倍氯米松口服"]
常先困脾的邪气是() ["风","燥","湿","寒","火"]
张嵩非常聪明,但学习不用功,每次考不好时就把原因归结于自己的运气不好。请运用维纳的归因理论来分析下列问题。