骨显像的首选适应证是()。
A.骨折
B.骨囊肿
C.骨转移瘤
D.原发性骨肿瘤良恶性鉴别
E.骨代谢性疾病
参考答案:C
解析:骨转移瘤是骨显像的首选适应证。
____ well known to the Irish is ____ St. Patrick was taken to Ireland as a prisoner when he was 16.
A.It, that
B.As, what
C.That, what
D.What, that
结核分枝杆菌对物理化学因素有较强的抵抗力,在干燥的痰内可存活()
A.1~3个月
B.4~5个月
C.6~8个月
D.9~11个月
E.12个月以上