问题
单项选择题
上消化道出血的特征性表现是
A．呕血与黑便
B．血红蛋白降低
C．发热
D．周围循环衰竭的临床表现
E．氮质血症
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
上消化道出血的特征性表现是
A．呕血与黑便
B．血红蛋白降低
C．发热
D．周围循环衰竭的临床表现
E．氮质血症
参考答案：D
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