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Which of the following properties belong to thiopental, a barbiturate?
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A. Correct.
B. Incorrect. Thiopental has a pKa of 7.6 and is a weak acid, not a weak base, so is mainly unionized at plasma pH.
C. Correct.
D. Incorrect. It is about 75% protein bound and 25% is free in plasma.
E. Correct.
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