一般不会引起呕血的情况是（）。

A.食管贲门黏膜撕裂综合征

B.消化性溃疡

C.急性胃黏膜病变

D.食管静脉曲张破裂出血

E.肠系膜血栓形成

What possible use for beta blockers was NOT discussed in this passage

A．Test anxiety.

B．Z Pain relief.

C．Minor stress.

D．Heart conditions.