3. Drug A is a weak organic base with a pKa of 7.0. What percentage of a given dose will be in the lipid-soluble form at an urine pH of 6.0? (A) About 1% (B) About 10% (C) About 50% (D)About 90%

6. Which of the following is correct regarding the autonomic nervous system? (A) Afferent neurons carry signals from the CNS to the effector organs (B) The neurotransmitter at the parasympathetic ganglion is norepinephrine (C) Sympathetic neurons release acetylcholine in the effiector organs (D) The neurotransmitter at the sympathetic ganglion is acetylcholine

3. Drug A is a weak organic base with a pKa of 7.0. What percentage of a given dose will be in the lipid-soluble form at an urine pH of 6.0?
(A) About 1%
(B) About 10%
(C) About 50%
(D)About 90%

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