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【单选题】
下列关于药物的理化性质影响直肠吸收的因素叙述错误的是A.
脂溶性、离子型药物容易透过类脂质膜
B.
碱性药物pKa低于8.5者可被直肠黏膜迅速吸收
C.
酸性药物pKa在4以上可被直肠黏膜迅速吸收
D.
粒径愈小、愈易溶解，吸收亦愈快
E.
溶解度小的药物，因在直肠中溶解的少，吸收也较少，溶解成为吸收的限速过程
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A.
a. make the part to save $1 per unit
B.
b. buy the part to save $3 per unit
C.
c. buy the part to save $1 per unit
D.
d. make the part to save $3 per unit
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A.
597.6
B.
576
C.
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D.
14.4
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