患者,男,45 岁。左上臂内侧有一肿块,呈半球形,暗红色,质地柔软,状如海绵,压之可缩小。应首先考虑的是
A.气瘤
B.筋瘤
C.脂瘤
D.血瘤
E.肉瘤
参考答案:A
Within an area of only 1.00 miles, Death Valley sinks to 282 feet below sea level while Mount Whitney ______ to a height of 14, 494 feet.
A.soaring
B.soar
C.soared
D.soars
下列选项中,不属于局部麻醉的是
A.表面麻醉
B.局部浸润麻醉
C.区域麻醉
D.腰麻
E.神经阻滞