轴性近视主要与下列哪项有关() ["A．角膜曲率过大","B．晶状体曲率过大","C．前房过深","D．玻璃体曲率过大","E．眼轴过长"]
试述肠梗阻术前护理要点。
哪一项最可能引起声影() ["A．胆囊","B．充液肿物","C．钙化性肿物","D．膀胱","E．实性肿物"]
屈光参差超过多少度数以上会出现融像困难() ["A．2.00D","B．2.50D","C．3.00D","D．3.50D","E．4.00D"]
试述甲状腺次全切除术后并发甲状腺危象的原因。主要表现及护理中应注意事项。
绞窄性肠梗阻的临床特点有哪些？
