How does the body handle drugs?

This is another question from Anna and Ceejay's mock exam. Here Ceejay answers his first question on pharmacology.
Many thanks to Anna and Ceejay for creating this video and allowing us to share it.
If you are revising for the primary FRCA check out videovivaclub.com
This resource should be used as a supplement to existing resources. It was recorded live and intends to give an example of a mock viva question. Please do not depend on this resource to provide a "model answer".