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【单选题】
为保证检验标本质量，不正确的是A.
定期送检
B.
采集时间要准确
C.
特殊标本应注明采集时间
D.
血培养标本宜在使用抗生素前留取
E.
采血标本，宜严格执行无菌操作
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】根据下面资料，回答下列各题。 利尿药可分为髓袢利尿药、噻嗪类利尿药、保钾利尿药、碳酸酐酶抑制药等。以下关于利尿药的分类 对抗醛固酮的保Na+排K+作用的药物是
A.
吲达帕胺
B.
呋塞米
C.
氢氯噻嗪
D.
螺内酯
E.
氨苯蝶啶
【单选题】骨骼肌纤维收缩时,其肌节的变化是 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
．仅 I 带缩短 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
B.
．仅 A 带缩短 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
C.
． I 带、 A 带均缩短 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
．仅 H 带缩短 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
E.
． I 带、 H 带均缩短 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
【单选题】We would introduce your advanced equipment and the ______ will be realized through coproduction, compensation or joint venture.
A.
acquisition
B.
acquire
C.
dimension
D.
compensation
【单选题】Who has the absolute advantage in the production of coconuts? Who has the absolute advantage in the production of fish? Bushels of Coconuts Number of Fish Crusoe 10 1 Friday 30 2
A.
Crusoe has the absolute advantage in the production of both goods.
B.
Friday has the absolute advantage in the production of both goods.
C.
Crusoe has the absolute advantage in the production of fish. Friday has the absolute advantage in the production of coconuts.
D.
Crusoe has the absolute advantage in the production of coconuts. Friday has the absolute advantage in the production of fish.
【单选题】骨骼肌纤维收缩时 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
暗带和 H 带缩短
B.
明带和 H 带缩短
C.
明带和暗带缩短 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
暗带缩短
E.
H带缩短
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