【单选题】【消耗次数：1】
下面关于NREM期说法正确的是
①
脑代谢减慢、脑血流量减少
②
呼吸平稳，心率减慢
③
脑和机体温度下降
④
肾上腺皮质激素释放减少，生长激素分泌增加
⑤
以上均是
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关于肾上腺皮质激素的分泌，下列哪一项是正确的（ ）
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束状带主要分泌糖皮质激素
②
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促使许多病原微生物繁殖所致
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用量不足，无法控制症状而造成
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