关于高血压病以下哪项说法错误() ["A．高血压病人常有血容量减少","B．死亡的主要原因是脑血管意外","C．眼底变化可反映高血压病的严重程度","D．90%为原发性高血压","E．血压越高，麻醉风险越小"]
正常血压病人血压较麻醉前升高多少，即应视为高血压() ["A．10mmHg","B．20mmHg","C．30mmHg","D．40mmHg","E．50mmHg"]
某高血压患者气管插管后出现持续低血压，其原因最可能是() ["A．体位变动","B．全麻药用量过大","C．心律失常","D．动脉瘤破裂","E．急性心肌梗死"]
导致高血压病人死亡的主要原因是() ["A．心肌梗死","B．脑卒中","C．夹层动脉瘤破裂","D．肾衰竭","E．心脏破裂"]
高血压患者麻醉期间血压下降为原水平的多少，即视为低血压() ["A．10%","B．15%","C．20%","D．25%","E．30%"]
发绀
