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【单选题】
《职业病防治法》所指的职业病是()
A.
劳动者在工作中所患的疾病
B.
劳动者所患的全部疾病
C.
劳动者在职业活动中因接触粉尘、放射性物质和其他有毒、有害物质等因素而引起的疾病
D.
劳动者因接触粉尘及有毒有害物质而引起的疾病
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举一反三
【单选题】When an injury occurs, which type of cells has the ability of recognizing microbes and necrotic cells and releasing mediators such as histamine that cause smooth muscle cells to relax?
A.
mast cells
B.
macrophages
C.
dendric cells
D.
basophils
【单选题】日俄战争后双方签订【 】,日本如愿以偿地从俄国手中得到了中东铁路的南满铁路以及旅大地区的租借权,为侵略中国东北埋下伏笔。
A.
日内瓦和约
B.
朴茨茅斯条约
C.
雅尔塔协议
D.
马关条约
【单选题】Which components are the source of serotonin which causes smooth muscle cells to contract?
A.
platelets
B.
lymphocytes
C.
monocytes
D.
basophils
【判断题】Fatty streaks are composed of smooth muscle cells.
A.
正确
B.
错误
【单选题】The title “Cell-to-cell contact induces mesenchymal stem cells to differentiate into cardiomyocyte and smooth muscle cells” is a declarative sentence because the authors may ________.
A.
want to state their findings as clearly and completely as possible
B.
want to show the complexity of their research design and findings
C.
have found strong evidence to prove that cell-to-cell contact induces the differentiation of mesenchymal stem cells
D.
/
【多选题】以下帝王陵寝封土魏“宝城宝顶”的是()
A.
汉茂陵
B.
明显陵
C.
唐乾陵
D.
清西陵
E.
明十三陵
【单选题】Slow waves in small intestinal smooth muscle cells are
A.
action potentials
B.
phasic contractions
C.
tonic contractions
D.
oscillating resting membrane potentials
E.
oscillating release of cholecystokinin(CCK)
【单选题】The ion base generated by the action potential of the smooth muscle cells of the digestive tract is( )
A.
K+ inflow
B.
Na+ inflow
C.
Ca2+ inflow
D.
Ca 2+ and  K + inflow
【单选题】About the smooth muscle cells, which is wrong( )
A.
elongated fusiform cells
B.
mononuclear
C.
contain thick filaments, thin filaments and intermediate filaments
D.
without cross striations
E.
have myofibrils
【简答题】Smooth muscle cells are ____________, which means they don’t have stripes.
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