Question 7

Outline the blood supply to the gastrointestinal system (arteries and veins).

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College Answer

An outline of the blood supply from the oesophagus down to the anus was expected. Very few
candidates knew the branches of the main 3 arteries and which portion of the gastrointestinal
system they supplied. Concepts related to control of blood flow and autoregulation of blood flow
were not asked and therefore marks were not awarded for this information.