【单选题】【消耗次数：1】
甲药对某受体有亲和力，但无内在活性；乙药对该受体有亲和力，又有内在活性，则
①
甲药为激动剂，乙药为激动剂
②
甲药为拮抗剂，乙药为激动剂
③
甲药为部分激动剂，乙药为激动剂
④
甲药为拮抗剂，乙药为拮抗剂
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相关题目
【单选题】
甲药对某受体有亲和力，但无内在活性;乙药对该受体有亲和力，又有内在活性，则
①
甲药为激动剂，乙药为激动剂
②
甲药为拮抗剂，乙药为激动剂
③
甲药为部分激剂，乙药为激动剂
④
甲药为拮抗剂，乙药为拮抗剂
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