Woman gets stabbed by a pair of scissors in the temple, and there is a lot of blood pouring out the side of her face and in her eye. But when her face hits the table there's little blood shown.
When Jess and Mya reach the top of the step, Mya is on Jess's left side. But walking towards the room Mya is now on Jess's right side.
When Mya is answering Jess's question. Mya switches from being inside the door border, to outside the border, to back inside the border.