“We went over, we rehearsed it with doctor Claire quite a few times, just because it’s also because she said, which I never knew.
“A tonsillectomy is one of the most bloody operations you can ever do because of where the cuts are.
“We practised it a few times and then when we went to film it, it was all very quick.”
She continued: “There’s a lot of action you have to get through very quickly. I’m not sure you get to see a lot of it.
“It was fun, it was fun rehearsing for it.”