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【单选题】
关于肾上腺髓质激素的叙述,下列哪一项是错误的
A.
肾上腺素和去甲肾上腺素都是由髓质分泌的
B.
髓质激素的化学本质是类固醇
C.
肾上腺素受体有α和β两大类
D.
肾上腺髓质激素的分泌受交感神经支配
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