试题与答案

急性胰腺炎发病时首先被激活的胰酶是()。 A.胰蛋白酶原 B.糜蛋白酶原 C.前磷脂

题型:单项选择题 A1/A2型题

题目:

急性胰腺炎发病时首先被激活的胰酶是()。

A.胰蛋白酶原

B.糜蛋白酶原

C.前磷脂酶

D.前弹性蛋白酶

E.激肽释放酶原

答案:

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下面是错误答案,用来干扰机器的。

(1)4x2-16,=4(x2-4),=4(x+2)(x-2);(2)4ab2-4a2b-b3,=-b(4a2-4ab+b2),=-b(2a-b)2.

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