
初二科学·第7章第8章习题
Quiz
•
Science
•
KG - 8th Grade
•
Practice Problem
•
Medium
Lee Su Seng
Used 329+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下有关激素的说法,正确的是________。
激素是外分泌腺分泌的特殊物质
激素在血液里含量极少
激素与人体生理活动的调节作用无关
激素是人体各种腺体分泌的特殊物质
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小中在观看中华杯篮球赛时出现心跳加快、面红耳赤和血压升高的现象,这是因为_______________。
呼吸加快的缘故
肾上腺素分泌增多了
身体出汗的缘故
血液流动过慢的缘故
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小华因病须每天注射胰岛素,然而有一次当他注射胰岛素之后出现了休克。医生检查后发现他的血液中的X物质含量过低,之后医生立即为他输液补充。
以上的X物质是___________。
脂肪
维生素
葡萄糖
甲状腺激素
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丽丽的血糖浓度为110mg/100ml的水,此时丽丽的Y激素分泌量增加,而Y激素以及丽丽的血糖浓度变化分别是________。
肾上腺素、增加
胰岛素、下降
生长激素、下降
甲状腺激素、增加
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
梁梁发现甲状腺坏死的狗会出现精萎靡的表现,活动量也大大减少,这说明甲状腺激素能___________。
调节血糖
促进生长
调节内分泌活动
提高神经系统的兴奋性
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下关于神经元的说法中,不正确的是_______。
神经元的结构只包括轴突和树突两个部分
神经细胞也叫做神经元
神经元是神经系统结构和功能的基本单位
视网膜上的感光细胞属于神经元。
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
神经冲动的传导方向是_______。
树突,细胞体,轴突
轴突,细胞体,树突
细胞体,轴突,树突
细胞体,树突,轴突
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