(At approximately 1:40) After Constance shoots her in the eye, Moira has no visible bullet wounds until several frames later when she is seen lying dead on the floor.
(At approximately 1:40) After Moira is shot and falls off the bed, there is no blood spatter on the lamp that was on the nightstand behind her. However, moments later when it is seen again, there is blood spattered on the lampshade.
When the tour guide was talking about Doctor Charles Montgomery, he mentioned that the doctor had 'Frankenstein Complex'. This comment was probably made in regards of the doctor's obsession with dissection. However, this was a wrong usage of the term because the real medical definition of 'Frankenstein Complex' is: the fear that one day artificial intelligence will replace human beings.