抑郁可见以下哪些情况() ["A．各种灾害后","B．神经症","C．精神分裂症","D．更年期","E．脑外伤后"]
两肺野透明度减低，如磨砂玻璃样，肺门阴影大而模糊，两肺门上出现向上的鹿角状血管影，应首先考虑为() ["A．肺充血","B．肺淤血","C．肺气肿","D．肺缺血","E．肺水肿"]
肿瘤生长引发疼痛的原因是() ["A．侵入或压迫神经","B．侵犯血管使供血障碍","C．引起消化道梗阻","D．侵犯骨组织","E．侵犯胸腹膜"]
某女，30岁，胸片示右上纵隔一椭圆形阴影，其中有斑点状钙化影，透视下见块影可随吞咽上下移动，首先考虑() ["A．胸腺癌","B．支气管囊肿","C．畸胎瘤","D．心包囊肿","E．胸内甲状腺"]
试述我国居民膳食指南。
何谓绿色食品?
