体内带有病原体，并不断向体外排出病原体的人和动物被称为（）
A.传染源
B.传播途径
C.易感人群
D.健康人群
参考答案：A
A client with peptic ulcer has been prescribed propantheline (Pro-Banthine) as part of the treatment. Which of the following side effects is associated with this medication
A. Nausea.B. Hypotension.C. Urinary frequency.D. Fatigu
间歇内分泌治疗（IHT）治疗前列腺癌，国内多主张开始继续内分泌治疗的指征是血PSA大于（）.
A.0.15ng/ml
B.0.1ng/ml
C.0.25ng/ml
D.0.2ng/ml
E.2ng/ml
