You are an FY2 Doctor who has just finished a busy respiratory ward round. One of the final year medical students asks you if you could supervise them doing an arterial blood gas (ABG) for a patient.
They are able to describe the technique effortlessly and say they have been successful on a previous occasion. However, you are reluctant as this will take time and have a long list of routine jobs to do before attending FY2 protected teaching that morning.
Choose the three most appropriate actions to take in this situation.