哪一项提示低血钾
A．神经肌肉兴奋性增加B．肠鸣音消失，四肢肌力低下C．心音亢进，心率减慢D．呼吸深大E．肠鸣音亢进
参考答案：B
New ideas and values took the place of those _______ in the Middle Ages. [ ]
A. held
B. having held
C. being held
D. holding
膀胱 * * 状瘤()血管内皮肉瘤()霍奇金病()髓母细胞瘤()精原细胞瘤()多发性骨髓瘤()滑膜瘤()绒毛膜上皮癌()
A．上皮组织肿瘤
B．间叶组织肿瘤
C．淋巴造血组织肿瘤
D．神经组织肿瘤
E．其他恶性肿瘤
