视神经鞘增厚和增强呈“路轨”征见于() ["A．视神经鞘炎症","B．视神经鞘出血","C．海绵状血管瘤","D．视神经鞘脑膜瘤","E．转移癌浸润"]
咽旁脓肿
关于正常新生儿电解质的特点，下列哪项是错误的() ["A．10天内血钾水平较低","B．血清钠偏低","C．血清钙偏低","D．血磷偏高","E．血氯偏高"]
若咽旁间隙感染累及_______时出现张口困难。
有关葡萄膜黑素瘤描述正确的有() ["A．好发于后1/3脉络膜","B．易转移","C．可引起视网膜剥离","D．成人多见","E．B型好，A型差"]
咽后脓肿
