Continuity mistake: The hole in the wall Carol makes with the knife grows, depending on what angle we see it from.
Continuity mistake: Daryl is caught in a classroom and fights one of the Pope's men. He has him in a corner by the door where a walker comes. The walker gets killed by people on The Other Side of the door and it noticeably splatters on the glass. Two people break the door down and get inside. The splatter disappears on the glass.
Answer: No, she actually tries to talk Rick out of it, but he's already made up his mind, minutes later when Daryl asks him about the location of his brother Lori says "he'll show you."