Drug Absorption

Which of the following statement is correct?

1. weak bases are absorbed efficiently cross the epithelial cells of the stomach
2. co administration of atropine speeds the absorption of a second drug
3. drug showing the large volume of distribution can be efficiently removed by dialysis of the plasma
4. stressful emotions can lead to a slowing of drug absorption
5. if the volume of distribution is small, most of the drug is in the extraplasmic space.

Answer